/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf -i ../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:21:32,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:21:32,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:21:32,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 12:21:32,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 12:21:32,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 12:21:32,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 12:21:32,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 12:21:32,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 12:21:32,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 12:21:32,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 12:21:32,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 12:21:32,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:21:32,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:21:32,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:21:33,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:21:33,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:21:33,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:21:33,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:21:33,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:21:33,040 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:21:33,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:21:33,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:21:33,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:21:33,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:21:33,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-22 12:21:33,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:21:33,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:21:33,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:21:33,074 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-22 12:21:33,122 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:21:33,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:21:33,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:21:33,123 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:21:33,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:21:33,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:21:33,126 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:21:33,126 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:21:33,126 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:21:33,127 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:21:33,127 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:21:33,128 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:21:33,128 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:21:33,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:21:33,128 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:21:33,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:21:33,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:21:33,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:21:33,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:21:33,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:21:33,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:21:33,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:21:33,130 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:21:33,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:21:33,131 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:21:33,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:21:33,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:21:33,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:21:33,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:21:33,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:21:33,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:21:33,136 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:21:33,136 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:21:33,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:21:33,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:21:33,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:21:33,555 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:21:33,556 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:21:33,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2022-07-22 12:21:33,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b192b426/93473507d98448e08ab63c61939af6cc/FLAGd89814026 [2022-07-22 12:21:34,297 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:21:34,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2022-07-22 12:21:34,310 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b192b426/93473507d98448e08ab63c61939af6cc/FLAGd89814026 [2022-07-22 12:21:34,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b192b426/93473507d98448e08ab63c61939af6cc [2022-07-22 12:21:34,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:21:34,677 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:21:34,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:21:34,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:21:34,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:21:34,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:21:34" (1/1) ... [2022-07-22 12:21:34,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f53260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:21:34, skipping insertion in model container [2022-07-22 12:21:34,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:21:34" (1/1) ... [2022-07-22 12:21:34,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:21:34,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:21:34,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2022-07-22 12:21:34,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:21:34,996 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:21:35,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2022-07-22 12:21:35,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:21:35,049 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:21:35,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:21:35 WrapperNode [2022-07-22 12:21:35,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:21:35,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:21:35,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:21:35,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:21:35,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:21:35" (1/1) ... [2022-07-22 12:21:35,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:21:35" (1/1) ... [2022-07-22 12:21:35,098 INFO L137 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 115 [2022-07-22 12:21:35,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:21:35,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:21:35,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:21:35,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:21:35,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:21:35" (1/1) ... [2022-07-22 12:21:35,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:21:35" (1/1) ... [2022-07-22 12:21:35,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:21:35" (1/1) ... [2022-07-22 12:21:35,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:21:35" (1/1) ... [2022-07-22 12:21:35,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:21:35" (1/1) ... [2022-07-22 12:21:35,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:21:35" (1/1) ... [2022-07-22 12:21:35,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:21:35" (1/1) ... [2022-07-22 12:21:35,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:21:35,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:21:35,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:21:35,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:21:35,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:21:35" (1/1) ... [2022-07-22 12:21:35,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:35,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:35,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:35,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 12:21:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:21:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-22 12:21:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-22 12:21:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-22 12:21:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-22 12:21:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-22 12:21:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-22 12:21:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-22 12:21:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-22 12:21:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:21:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:21:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:21:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-22 12:21:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-22 12:21:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:21:35,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:21:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:21:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:21:35,249 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-22 12:21:35,346 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:21:35,348 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:21:35,699 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:21:35,795 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:21:35,795 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-22 12:21:35,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:21:35 BoogieIcfgContainer [2022-07-22 12:21:35,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:21:35,801 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:21:35,801 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:21:35,809 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:21:35,811 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:21:35,811 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:21:34" (1/3) ... [2022-07-22 12:21:35,813 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b8c07a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:21:35, skipping insertion in model container [2022-07-22 12:21:35,814 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:21:35,814 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:21:35" (2/3) ... [2022-07-22 12:21:35,814 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b8c07a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:21:35, skipping insertion in model container [2022-07-22 12:21:35,815 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:21:35,815 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:21:35" (3/3) ... [2022-07-22 12:21:35,818 INFO L322 chiAutomizerObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2022-07-22 12:21:36,006 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-07-22 12:21:36,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 126 transitions, 284 flow [2022-07-22 12:21:36,114 INFO L129 PetriNetUnfolder]: 9/118 cut-off events. [2022-07-22 12:21:36,115 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-22 12:21:36,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 118 events. 9/118 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 94 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2022-07-22 12:21:36,122 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 126 transitions, 284 flow [2022-07-22 12:21:36,131 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 118 transitions, 260 flow [2022-07-22 12:21:36,136 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-22 12:21:36,152 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 118 transitions, 260 flow [2022-07-22 12:21:36,156 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 118 transitions, 260 flow [2022-07-22 12:21:36,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 118 transitions, 260 flow [2022-07-22 12:21:36,186 INFO L129 PetriNetUnfolder]: 9/118 cut-off events. [2022-07-22 12:21:36,186 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-22 12:21:36,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 118 events. 9/118 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2022-07-22 12:21:36,191 INFO L116 LiptonReduction]: Number of co-enabled transitions 2520 [2022-07-22 12:21:40,027 INFO L131 LiptonReduction]: Checked pairs total: 2446 [2022-07-22 12:21:40,027 INFO L133 LiptonReduction]: Total number of compositions: 97 [2022-07-22 12:21:40,052 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:21:40,053 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:21:40,053 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:21:40,053 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:21:40,053 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:21:40,054 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:21:40,054 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:21:40,054 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:21:40,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:21:40,220 INFO L131 ngComponentsAnalysis]: Automaton has 230 accepting balls. 230 [2022-07-22 12:21:40,221 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:21:40,221 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:21:40,229 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-22 12:21:40,230 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:21:40,232 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 12:21:40,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 321 states, but on-demand construction may add more states [2022-07-22 12:21:40,271 INFO L131 ngComponentsAnalysis]: Automaton has 230 accepting balls. 230 [2022-07-22 12:21:40,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:21:40,271 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:21:40,272 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-22 12:21:40,272 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:21:40,280 INFO L748 eck$LassoCheckResult]: Stem: 129#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 132#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 134#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 136#[L41-4, L88-4]don't care [2022-07-22 12:21:40,280 INFO L750 eck$LassoCheckResult]: Loop: 136#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 136#[L41-4, L88-4]don't care [2022-07-22 12:21:40,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:40,288 INFO L85 PathProgramCache]: Analyzing trace with hash 507959, now seen corresponding path program 1 times [2022-07-22 12:21:40,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:40,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999469526] [2022-07-22 12:21:40,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:40,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:40,476 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:40,556 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:40,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:40,560 INFO L85 PathProgramCache]: Analyzing trace with hash 501, now seen corresponding path program 1 times [2022-07-22 12:21:40,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:40,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839620340] [2022-07-22 12:21:40,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:40,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:40,590 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:40,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:40,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:40,606 INFO L85 PathProgramCache]: Analyzing trace with hash 15747199, now seen corresponding path program 1 times [2022-07-22 12:21:40,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:40,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709467887] [2022-07-22 12:21:40,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:40,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:40,635 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:40,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:40,706 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:40,706 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:40,707 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:40,707 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:40,707 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:21:40,707 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:40,707 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:40,708 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:40,708 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration1_Loop [2022-07-22 12:21:40,708 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:40,708 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:40,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:40,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:40,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:40,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:40,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:40,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:40,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:40,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:40,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:40,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:40,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:40,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:40,868 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:40,868 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:21:40,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:40,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:40,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:40,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-22 12:21:40,882 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:40,883 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:40,909 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:40,910 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_1=3} Honda state: {v_rep#funAddr~thread4.offset_1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:40,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:40,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:40,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:40,952 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:40,958 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:40,959 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:40,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-22 12:21:41,001 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:41,002 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post2=0} Honda state: {thread1Thread1of1ForFork1_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:41,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:41,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:41,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:41,043 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:41,049 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:41,049 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:41,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-22 12:21:41,089 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:41,089 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post1=0} Honda state: {thread1Thread1of1ForFork1_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:41,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:41,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:41,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:41,127 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:41,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-22 12:21:41,129 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:41,129 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:41,154 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:41,154 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_1=-1} Honda state: {v_rep#funAddr~thread1.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:41,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:41,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:41,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:41,189 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:41,199 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:41,199 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:41,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-22 12:21:41,223 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:41,223 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_1=0} Honda state: {v_rep#funAddr~thread1.offset_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:41,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:41,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:41,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:41,258 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:41,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-22 12:21:41,262 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:41,263 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:41,279 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:41,279 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_1=-1} Honda state: {v_rep#funAddr~thread3.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:41,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:41,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:41,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:41,306 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:41,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-22 12:21:41,315 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:41,318 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:41,334 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:41,335 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_1=-1} Honda state: {v_rep#funAddr~thread2.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:41,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:41,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:41,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:41,357 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:41,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-22 12:21:41,359 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:41,359 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:41,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:41,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:41,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:41,394 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:41,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-22 12:21:41,396 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:21:41,396 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:41,551 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:21:41,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:41,557 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:41,558 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:41,558 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:41,558 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:41,558 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:21:41,558 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:41,558 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:41,558 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:41,558 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration1_Loop [2022-07-22 12:21:41,558 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:41,559 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:41,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:41,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:41,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:41,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:41,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:41,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:41,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:41,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:41,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:41,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:41,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:41,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:41,678 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:41,683 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:21:41,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:41,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:41,686 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:41,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-22 12:21:41,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:41,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:41,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:41,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:41,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:41,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:41,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:41,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:41,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-07-22 12:21:41,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:41,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:41,753 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:41,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-22 12:21:41,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:41,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:41,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:41,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:41,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:41,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:41,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:41,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:41,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:41,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:41,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:41,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:41,799 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:41,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-22 12:21:41,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:41,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:41,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:41,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:41,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:41,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:41,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:41,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:41,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:41,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:41,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:41,840 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:41,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-22 12:21:41,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:41,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:41,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:41,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:41,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:41,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:41,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:41,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:41,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:41,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-07-22 12:21:41,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:41,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:41,875 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:41,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-22 12:21:41,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:41,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:41,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:41,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:41,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:41,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:41,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:41,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:41,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:41,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:41,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:41,913 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:41,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-22 12:21:41,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:41,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:41,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:41,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:41,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:41,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:41,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:41,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:41,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:41,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:41,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:41,956 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:41,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-22 12:21:41,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:41,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:41,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:41,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:41,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:41,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:41,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:41,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:42,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:42,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:42,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:42,112 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:42,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-22 12:21:42,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:42,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:42,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:42,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:42,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:42,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:42,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:42,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:42,159 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:21:42,165 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:21:42,165 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:21:42,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:42,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:42,168 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:42,180 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:21:42,180 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:21:42,180 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:21:42,181 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork1_~i~0, ~N~0) = -1*thread1Thread1of1ForFork1_~i~0 + 1*~N~0 Supporting invariants [] [2022-07-22 12:21:42,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-22 12:21:42,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-07-22 12:21:42,224 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:21:42,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:42,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:42,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:42,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:42,353 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:21:42,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:42,401 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:21:42,404 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 321 states, but on-demand construction may add more states Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:42,588 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 321 states, but on-demand construction may add more states. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 639 states and 2825 transitions. Complement of second has 3 states. [2022-07-22 12:21:42,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:42,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:42,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2022-07-22 12:21:42,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 20 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-22 12:21:42,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:42,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 20 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-22 12:21:42,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:42,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 20 transitions. Stem has 3 letters. Loop has 2 letters. [2022-07-22 12:21:42,605 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:42,606 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 639 states and 2825 transitions. [2022-07-22 12:21:42,628 INFO L131 ngComponentsAnalysis]: Automaton has 229 accepting balls. 229 [2022-07-22 12:21:42,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 639 states to 624 states and 2775 transitions. [2022-07-22 12:21:42,663 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 388 [2022-07-22 12:21:42,671 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 545 [2022-07-22 12:21:42,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 624 states and 2775 transitions. [2022-07-22 12:21:42,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:21:42,689 INFO L220 hiAutomatonCegarLoop]: Abstraction has 624 states and 2775 transitions. [2022-07-22 12:21:42,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states and 2775 transitions. [2022-07-22 12:21:42,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 468. [2022-07-22 12:21:42,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 468 states have (on average 4.461538461538462) internal successors, (2088), 467 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:42,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 2088 transitions. [2022-07-22 12:21:42,783 INFO L242 hiAutomatonCegarLoop]: Abstraction has 468 states and 2088 transitions. [2022-07-22 12:21:42,783 INFO L425 stractBuchiCegarLoop]: Abstraction has 468 states and 2088 transitions. [2022-07-22 12:21:42,783 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 12:21:42,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 468 states and 2088 transitions. [2022-07-22 12:21:42,792 INFO L131 ngComponentsAnalysis]: Automaton has 229 accepting balls. 229 [2022-07-22 12:21:42,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:21:42,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:21:42,793 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 12:21:42,793 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:21:42,794 INFO L748 eck$LassoCheckResult]: Stem: 2351#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 2295#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 1573#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 1575#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 2063#[L89-3, L41-4]don't care [2022-07-22 12:21:42,795 INFO L750 eck$LassoCheckResult]: Loop: 2063#[L89-3, L41-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 2063#[L89-3, L41-4]don't care [2022-07-22 12:21:42,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:42,795 INFO L85 PathProgramCache]: Analyzing trace with hash 15747207, now seen corresponding path program 1 times [2022-07-22 12:21:42,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:42,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019140518] [2022-07-22 12:21:42,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:42,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:42,824 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:42,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:42,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:42,844 INFO L85 PathProgramCache]: Analyzing trace with hash 501, now seen corresponding path program 2 times [2022-07-22 12:21:42,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:42,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840621061] [2022-07-22 12:21:42,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:42,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:42,851 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:42,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:42,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:42,856 INFO L85 PathProgramCache]: Analyzing trace with hash 488163887, now seen corresponding path program 1 times [2022-07-22 12:21:42,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:42,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071024102] [2022-07-22 12:21:42,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:42,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:42,888 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:42,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:42,921 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:42,922 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:42,922 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:42,922 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:42,922 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:21:42,922 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:42,922 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:42,922 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:42,922 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration2_Loop [2022-07-22 12:21:42,923 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:42,923 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:42,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:42,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:42,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:42,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:42,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:42,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:42,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:42,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:42,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:42,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:42,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:42,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,024 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:43,024 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:21:43,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:43,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:43,025 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:43,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-22 12:21:43,031 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:43,031 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:43,040 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:43,040 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post1=0} Honda state: {thread1Thread1of1ForFork1_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:43,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:43,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:43,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:43,063 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:43,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-22 12:21:43,065 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:43,065 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:43,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:43,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:43,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:43,099 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:43,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-22 12:21:43,102 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:21:43,103 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:43,242 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:21:43,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:43,247 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:43,247 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:43,247 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:43,247 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:43,247 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:21:43,247 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:43,248 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:43,248 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:43,248 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration2_Loop [2022-07-22 12:21:43,248 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:43,248 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:43,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,378 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:43,379 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:21:43,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:43,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:43,382 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:43,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:43,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:43,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:43,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:43,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:43,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:43,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:43,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:43,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-22 12:21:43,414 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:21:43,420 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:21:43,420 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:21:43,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:43,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:43,422 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:43,425 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:21:43,426 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:21:43,426 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:21:43,426 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread1Thread1of1ForFork1_~i~0) = 1*~N~0 - 1*thread1Thread1of1ForFork1_~i~0 Supporting invariants [] [2022-07-22 12:21:43,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-22 12:21:43,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:43,465 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:21:43,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:43,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:43,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:43,516 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:21:43,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:43,517 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:21:43,518 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 468 states and 2088 transitions. cyclomatic complexity: 1928 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:43,554 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 468 states and 2088 transitions. cyclomatic complexity: 1928. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 473 states and 2099 transitions. Complement of second has 3 states. [2022-07-22 12:21:43,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:43,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:43,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2022-07-22 12:21:43,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-22 12:21:43,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:43,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:21:43,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:43,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-22 12:21:43,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:43,558 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 473 states and 2099 transitions. [2022-07-22 12:21:43,569 INFO L131 ngComponentsAnalysis]: Automaton has 228 accepting balls. 228 [2022-07-22 12:21:43,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 473 states to 473 states and 2099 transitions. [2022-07-22 12:21:43,580 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 388 [2022-07-22 12:21:43,583 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 392 [2022-07-22 12:21:43,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 473 states and 2099 transitions. [2022-07-22 12:21:43,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:21:43,585 INFO L220 hiAutomatonCegarLoop]: Abstraction has 473 states and 2099 transitions. [2022-07-22 12:21:43,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states and 2099 transitions. [2022-07-22 12:21:43,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 467. [2022-07-22 12:21:43,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 467 states have (on average 4.464668094218416) internal successors, (2085), 466 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:43,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 2085 transitions. [2022-07-22 12:21:43,629 INFO L242 hiAutomatonCegarLoop]: Abstraction has 467 states and 2085 transitions. [2022-07-22 12:21:43,629 INFO L425 stractBuchiCegarLoop]: Abstraction has 467 states and 2085 transitions. [2022-07-22 12:21:43,629 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 12:21:43,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 467 states and 2085 transitions. [2022-07-22 12:21:43,637 INFO L131 ngComponentsAnalysis]: Automaton has 228 accepting balls. 228 [2022-07-22 12:21:43,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:21:43,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:21:43,638 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 12:21:43,638 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:21:43,639 INFO L748 eck$LassoCheckResult]: Stem: 3789#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 3733#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 3015#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 3017#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 3503#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 3625#[L89-4, thread2ENTRY, L41-4]don't care [2022-07-22 12:21:43,639 INFO L750 eck$LassoCheckResult]: Loop: 3625#[L89-4, thread2ENTRY, L41-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 3625#[L89-4, thread2ENTRY, L41-4]don't care [2022-07-22 12:21:43,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:43,640 INFO L85 PathProgramCache]: Analyzing trace with hash 488163802, now seen corresponding path program 1 times [2022-07-22 12:21:43,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:43,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156898156] [2022-07-22 12:21:43,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:43,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:43,693 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:43,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:43,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:43,730 INFO L85 PathProgramCache]: Analyzing trace with hash 501, now seen corresponding path program 3 times [2022-07-22 12:21:43,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:43,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849010881] [2022-07-22 12:21:43,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:43,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:43,739 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:43,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:43,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:43,750 INFO L85 PathProgramCache]: Analyzing trace with hash -2046790852, now seen corresponding path program 1 times [2022-07-22 12:21:43,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:43,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44293074] [2022-07-22 12:21:43,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:43,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:43,771 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:43,788 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:43,804 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:43,804 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:43,804 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:43,804 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:43,804 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:21:43,804 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:43,804 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:43,804 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:43,804 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration3_Loop [2022-07-22 12:21:43,805 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:43,805 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:43,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:43,909 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:43,909 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:21:43,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:43,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:43,910 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:43,919 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:43,919 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:43,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-22 12:21:43,937 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:43,937 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_5=-1} Honda state: {v_rep#funAddr~thread1.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:43,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:43,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:43,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:43,973 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:43,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:43,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:43,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-22 12:21:43,998 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:43,998 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_5=-1} Honda state: {v_rep#funAddr~thread4.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:44,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-07-22 12:21:44,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:44,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:44,023 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:44,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-22 12:21:44,024 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:44,024 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:44,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:44,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:44,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:44,078 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:44,085 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:21:44,086 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:44,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-22 12:21:44,326 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:21:44,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:44,332 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:44,332 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:44,332 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:44,333 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:44,333 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:21:44,333 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:44,333 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:44,333 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:44,333 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration3_Loop [2022-07-22 12:21:44,333 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:44,333 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:44,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:44,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:44,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:44,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:44,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:44,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:44,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:44,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:44,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:44,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:44,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:44,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:44,513 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:44,514 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:21:44,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:44,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:44,525 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:44,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:44,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-22 12:21:44,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:44,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:44,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:44,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:44,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:44,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:44,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:44,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:44,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:44,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:44,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:44,606 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:44,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:44,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:44,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:44,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:44,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:44,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:44,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:44,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-22 12:21:44,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:44,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:44,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:44,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:44,673 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:44,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:44,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:44,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:44,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:44,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:44,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:44,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:44,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-22 12:21:44,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:44,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:44,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:44,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:44,732 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:44,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:44,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:44,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:44,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:44,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:44,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:44,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:44,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-22 12:21:44,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:44,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:44,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:44,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:44,791 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:44,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:44,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-22 12:21:44,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:44,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:44,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:44,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:44,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:44,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:44,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:44,819 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:21:44,824 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:21:44,824 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:21:44,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:44,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:44,825 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:44,832 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:21:44,833 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:21:44,833 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:21:44,833 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread1Thread1of1ForFork1_~i~0) = 1*~N~0 - 1*thread1Thread1of1ForFork1_~i~0 Supporting invariants [] [2022-07-22 12:21:44,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-22 12:21:44,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-07-22 12:21:44,857 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:21:44,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:44,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:44,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:44,912 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:21:44,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:44,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:44,915 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:21:44,915 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 467 states and 2085 transitions. cyclomatic complexity: 1925 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:44,953 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 467 states and 2085 transitions. cyclomatic complexity: 1925. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 475 states and 2111 transitions. Complement of second has 3 states. [2022-07-22 12:21:44,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:44,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2022-07-22 12:21:44,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:21:44,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:44,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:21:44,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:44,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:21:44,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:44,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 475 states and 2111 transitions. [2022-07-22 12:21:44,967 INFO L131 ngComponentsAnalysis]: Automaton has 227 accepting balls. 227 [2022-07-22 12:21:44,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 475 states to 475 states and 2111 transitions. [2022-07-22 12:21:44,976 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 387 [2022-07-22 12:21:44,978 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 394 [2022-07-22 12:21:44,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 475 states and 2111 transitions. [2022-07-22 12:21:44,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:21:44,980 INFO L220 hiAutomatonCegarLoop]: Abstraction has 475 states and 2111 transitions. [2022-07-22 12:21:44,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states and 2111 transitions. [2022-07-22 12:21:44,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 466. [2022-07-22 12:21:44,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 466 states have (on average 4.465665236051502) internal successors, (2081), 465 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:45,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 2081 transitions. [2022-07-22 12:21:45,005 INFO L242 hiAutomatonCegarLoop]: Abstraction has 466 states and 2081 transitions. [2022-07-22 12:21:45,005 INFO L425 stractBuchiCegarLoop]: Abstraction has 466 states and 2081 transitions. [2022-07-22 12:21:45,005 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-22 12:21:45,005 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 466 states and 2081 transitions. [2022-07-22 12:21:45,012 INFO L131 ngComponentsAnalysis]: Automaton has 227 accepting balls. 227 [2022-07-22 12:21:45,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:21:45,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:21:45,013 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 12:21:45,013 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:21:45,016 INFO L748 eck$LassoCheckResult]: Stem: 5230#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 5176#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 4458#[thread1ENTRY, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 4462#[L89-3, thread1ENTRY]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 5142#[L89-4, thread2ENTRY, thread1ENTRY]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 4898#[L89-4, thread1ENTRY, L51-4]don't care [2022-07-22 12:21:45,016 INFO L750 eck$LassoCheckResult]: Loop: 4898#[L89-4, thread1ENTRY, L51-4]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 4898#[L89-4, thread1ENTRY, L51-4]don't care [2022-07-22 12:21:45,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:45,016 INFO L85 PathProgramCache]: Analyzing trace with hash 488299262, now seen corresponding path program 1 times [2022-07-22 12:21:45,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:45,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683432894] [2022-07-22 12:21:45,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:45,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:45,064 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:45,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:45,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:45,098 INFO L85 PathProgramCache]: Analyzing trace with hash 499, now seen corresponding path program 1 times [2022-07-22 12:21:45,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:45,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144957650] [2022-07-22 12:21:45,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:45,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:45,111 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:45,123 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:45,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:45,125 INFO L85 PathProgramCache]: Analyzing trace with hash -2042591594, now seen corresponding path program 1 times [2022-07-22 12:21:45,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:45,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208023130] [2022-07-22 12:21:45,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:45,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:45,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:21:45,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208023130] [2022-07-22 12:21:45,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208023130] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:21:45,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:21:45,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-22 12:21:45,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708084613] [2022-07-22 12:21:45,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:21:45,238 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:45,238 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:45,238 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:45,238 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:45,238 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:21:45,238 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:45,239 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:45,239 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:45,239 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration4_Loop [2022-07-22 12:21:45,239 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:45,239 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:45,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,366 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:45,366 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:21:45,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:45,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:45,368 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:45,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-22 12:21:45,375 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:45,375 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:45,396 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:45,396 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_7=-1} Honda state: {v_rep#funAddr~thread2.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:45,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:45,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:45,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:45,431 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:45,433 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:45,433 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:45,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-22 12:21:45,446 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:45,447 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_7=-1} Honda state: {v_rep#funAddr~thread3.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:45,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:45,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:45,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:45,470 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:45,471 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:45,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-22 12:21:45,471 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:45,484 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:45,485 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_7=-1} Honda state: {v_rep#funAddr~thread4.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:45,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:45,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:45,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:45,513 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:45,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-22 12:21:45,515 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:45,515 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:45,528 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:45,528 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_7=-1} Honda state: {v_rep#funAddr~thread1.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:45,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:45,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:45,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:45,553 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:45,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-22 12:21:45,556 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:45,556 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:45,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-07-22 12:21:45,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:45,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:45,588 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:45,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-22 12:21:45,590 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:21:45,590 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:45,634 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:21:45,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:45,636 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:45,636 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:45,636 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:45,636 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:45,636 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:21:45,637 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:45,637 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:45,637 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:45,637 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration4_Loop [2022-07-22 12:21:45,637 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:45,637 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:45,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:45,759 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:45,759 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:21:45,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:45,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:45,760 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:45,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:45,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:45,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:45,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:45,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:45,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:45,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:45,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-22 12:21:45,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:45,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:45,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:45,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:45,822 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:45,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-22 12:21:45,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:45,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:45,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:45,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:45,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:45,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:45,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:45,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:45,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:45,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:45,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:45,879 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:45,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-07-22 12:21:45,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:45,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:45,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:45,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:45,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:45,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:45,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:45,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:45,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:45,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:45,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:45,938 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:45,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:45,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:45,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:45,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:45,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:45,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:45,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:45,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:45,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-07-22 12:21:45,964 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:21:45,969 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-07-22 12:21:45,969 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:21:45,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:45,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:45,975 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:45,980 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:21:45,981 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:21:45,981 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:21:45,981 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter1~0) = 1*~counter1~0 Supporting invariants [] [2022-07-22 12:21:45,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-07-22 12:21:46,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-07-22 12:21:46,005 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:21:46,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:46,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:46,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:46,069 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:21:46,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:46,073 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:21:46,073 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 466 states and 2081 transitions. cyclomatic complexity: 1921 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:46,170 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 466 states and 2081 transitions. cyclomatic complexity: 1921. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 867 states and 4017 transitions. Complement of second has 3 states. [2022-07-22 12:21:46,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:46,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 22 transitions. [2022-07-22 12:21:46,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:21:46,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:46,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:21:46,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:46,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:21:46,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:46,173 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 4017 transitions. [2022-07-22 12:21:46,192 INFO L131 ngComponentsAnalysis]: Automaton has 226 accepting balls. 226 [2022-07-22 12:21:46,210 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 864 states and 4011 transitions. [2022-07-22 12:21:46,210 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 478 [2022-07-22 12:21:46,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 664 [2022-07-22 12:21:46,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 864 states and 4011 transitions. [2022-07-22 12:21:46,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:21:46,219 INFO L220 hiAutomatonCegarLoop]: Abstraction has 864 states and 4011 transitions. [2022-07-22 12:21:46,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states and 4011 transitions. [2022-07-22 12:21:46,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 653. [2022-07-22 12:21:46,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 653 states have (on average 4.683001531393568) internal successors, (3058), 652 states have internal predecessors, (3058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:46,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 3058 transitions. [2022-07-22 12:21:46,250 INFO L242 hiAutomatonCegarLoop]: Abstraction has 653 states and 3058 transitions. [2022-07-22 12:21:46,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:21:46,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:21:46,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:21:46,254 INFO L87 Difference]: Start difference. First operand 653 states and 3058 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:46,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:21:46,370 INFO L93 Difference]: Finished difference Result 951 states and 4128 transitions. [2022-07-22 12:21:46,370 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 951 states and 4128 transitions. [2022-07-22 12:21:46,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:46,400 INFO L131 ngComponentsAnalysis]: Automaton has 327 accepting balls. 327 [2022-07-22 12:21:46,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:46,424 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 951 states to 941 states and 4083 transitions. [2022-07-22 12:21:46,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 765 [2022-07-22 12:21:46,427 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 765 [2022-07-22 12:21:46,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 941 states and 4083 transitions. [2022-07-22 12:21:46,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:21:46,431 INFO L220 hiAutomatonCegarLoop]: Abstraction has 941 states and 4083 transitions. [2022-07-22 12:21:46,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states and 4083 transitions. [2022-07-22 12:21:46,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 790. [2022-07-22 12:21:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 790 states have (on average 4.484810126582278) internal successors, (3543), 789 states have internal predecessors, (3543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:46,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 3543 transitions. [2022-07-22 12:21:46,466 INFO L242 hiAutomatonCegarLoop]: Abstraction has 790 states and 3543 transitions. [2022-07-22 12:21:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:21:46,467 INFO L425 stractBuchiCegarLoop]: Abstraction has 790 states and 3543 transitions. [2022-07-22 12:21:46,468 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-22 12:21:46,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 790 states and 3543 transitions. [2022-07-22 12:21:46,484 INFO L131 ngComponentsAnalysis]: Automaton has 281 accepting balls. 281 [2022-07-22 12:21:46,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:21:46,484 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:21:46,485 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:21:46,485 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:21:46,486 INFO L748 eck$LassoCheckResult]: Stem: 9759#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 9659#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 8569#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 8571#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 9221#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 9227#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 9829#[L89-4, thread2ENTRY, L41-4]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 9805#[L41-4, thread2ENTRY, L90-3]don't care [2022-07-22 12:21:46,486 INFO L750 eck$LassoCheckResult]: Loop: 9805#[L41-4, thread2ENTRY, L90-3]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 9805#[L41-4, thread2ENTRY, L90-3]don't care [2022-07-22 12:21:46,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:46,486 INFO L85 PathProgramCache]: Analyzing trace with hash 973841911, now seen corresponding path program 1 times [2022-07-22 12:21:46,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:46,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729212026] [2022-07-22 12:21:46,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:46,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:46,504 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:46,523 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:46,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:46,524 INFO L85 PathProgramCache]: Analyzing trace with hash 501, now seen corresponding path program 4 times [2022-07-22 12:21:46,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:46,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821770899] [2022-07-22 12:21:46,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:46,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:46,530 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:46,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:46,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:46,537 INFO L85 PathProgramCache]: Analyzing trace with hash 124328639, now seen corresponding path program 2 times [2022-07-22 12:21:46,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:46,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102660184] [2022-07-22 12:21:46,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:46,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:46,578 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:46,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:46,626 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:46,627 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:46,627 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:46,627 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:46,627 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:21:46,627 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:46,627 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:46,627 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:46,627 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration5_Loop [2022-07-22 12:21:46,627 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:46,627 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:46,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:46,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:46,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:46,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:46,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:46,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:46,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:46,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:46,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:46,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:46,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:46,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:46,719 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:46,720 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:21:46,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:46,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:46,722 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:46,726 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:46,726 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:46,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-07-22 12:21:46,739 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:46,740 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_9=2} Honda state: {v_rep#funAddr~thread3.offset_9=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:46,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-07-22 12:21:46,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:46,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:46,762 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:46,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-07-22 12:21:46,765 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:46,765 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:46,772 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:46,773 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post2=0} Honda state: {thread1Thread1of1ForFork1_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:46,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:46,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:46,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:46,795 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:46,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-07-22 12:21:46,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:46,797 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:46,810 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:46,810 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_9=-1} Honda state: {v_rep#funAddr~thread2.base_9=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:46,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-07-22 12:21:46,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:46,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:46,833 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:46,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-07-22 12:21:46,835 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:46,835 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:46,847 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:46,848 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_9=-1} Honda state: {v_rep#funAddr~thread3.base_9=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:46,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-07-22 12:21:46,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:46,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:46,870 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:46,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-07-22 12:21:46,871 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:46,871 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:46,883 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:46,884 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_9=-1} Honda state: {v_rep#funAddr~thread4.base_9=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:46,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:46,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:46,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:46,906 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:46,909 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:46,909 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:46,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-07-22 12:21:46,930 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:46,930 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_9=3} Honda state: {v_rep#funAddr~thread4.offset_9=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:46,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:46,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:46,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:46,965 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:46,967 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:46,967 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:46,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-07-22 12:21:46,987 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:46,987 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_9=1} Honda state: {v_rep#funAddr~thread2.offset_9=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:47,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-07-22 12:21:47,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:47,010 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:47,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-07-22 12:21:47,012 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:47,012 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:47,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-07-22 12:21:47,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:47,042 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:47,050 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:21:47,050 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:47,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-07-22 12:21:47,071 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:47,072 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter1~0=0} Honda state: {~counter1~0=0} Generalized eigenvectors: [{~counter1~0=1}, {~counter1~0=3}, {~counter1~0=-3}] Lambdas: [1, 1, 1] Nus: [0, 0] [2022-07-22 12:21:47,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:47,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:47,094 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:47,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-07-22 12:21:47,095 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:47,096 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:47,111 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:47,111 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_9=0} Honda state: {v_rep#funAddr~thread1.offset_9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:47,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-07-22 12:21:47,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:47,136 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:47,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-07-22 12:21:47,137 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:47,138 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:47,145 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:47,145 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post1=0} Honda state: {thread1Thread1of1ForFork1_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:47,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:47,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:47,168 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:47,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-07-22 12:21:47,169 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:47,169 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:47,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:47,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:47,203 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:47,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-07-22 12:21:47,205 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:21:47,205 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:47,344 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:21:47,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:47,346 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:47,346 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:47,346 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:47,347 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:47,347 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:21:47,347 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,347 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:47,347 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:47,347 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration5_Loop [2022-07-22 12:21:47,347 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:47,347 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:47,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:47,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:47,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:47,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:47,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:47,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:47,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:47,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:47,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:47,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:47,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:47,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:47,464 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:47,464 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:21:47,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:47,465 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:47,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:47,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:47,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:47,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:47,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:47,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:47,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:47,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:47,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-07-22 12:21:47,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:47,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:47,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:47,528 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:47,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:47,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:47,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:47,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:47,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:47,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:47,541 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:47,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-07-22 12:21:47,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:47,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:47,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:47,574 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:47,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-07-22 12:21:47,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:47,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:47,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:47,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:47,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:47,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:47,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:47,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:47,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:47,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:47,632 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:47,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:47,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:47,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:47,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:47,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:47,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:47,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:47,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:47,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-07-22 12:21:47,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:47,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:47,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:47,698 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:47,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:47,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:47,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:47,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:47,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:47,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:47,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:47,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-07-22 12:21:47,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:47,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:47,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:47,760 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:47,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:47,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:47,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:47,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:47,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:47,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:47,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:47,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-07-22 12:21:47,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:47,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:47,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:47,820 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:47,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:47,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:47,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:47,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:47,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:47,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:47,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:47,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-07-22 12:21:47,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:47,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:47,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:47,870 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:47,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-07-22 12:21:47,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:47,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:47,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:47,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:47,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:47,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:47,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:47,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:47,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-07-22 12:21:47,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:47,926 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:47,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-07-22 12:21:47,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:47,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:47,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:47,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:47,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:47,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:47,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:47,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:47,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:47,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:47,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:47,986 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:47,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-07-22 12:21:47,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:47,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:47,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:47,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:47,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:47,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:47,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:47,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:48,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:48,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-07-22 12:21:48,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:48,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:48,040 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:48,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-07-22 12:21:48,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:48,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:48,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:48,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:48,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:48,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:48,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:48,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:48,051 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:21:48,053 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:21:48,053 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:21:48,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:48,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:48,054 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:48,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-07-22 12:21:48,056 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:21:48,056 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:21:48,056 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:21:48,056 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread1Thread1of1ForFork1_~i~0) = 1*~N~0 - 1*thread1Thread1of1ForFork1_~i~0 Supporting invariants [] [2022-07-22 12:21:48,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:48,079 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:21:48,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:48,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:48,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:48,139 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:21:48,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:48,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:48,140 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:21:48,140 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 790 states and 3543 transitions. cyclomatic complexity: 3182 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:48,192 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 790 states and 3543 transitions. cyclomatic complexity: 3182. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 826 states and 3661 transitions. Complement of second has 3 states. [2022-07-22 12:21:48,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:48,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:21:48,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 7 letters. Loop has 1 letters. [2022-07-22 12:21:48,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:48,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:21:48,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:48,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 12:21:48,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:48,197 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 826 states and 3661 transitions. [2022-07-22 12:21:48,215 INFO L131 ngComponentsAnalysis]: Automaton has 280 accepting balls. 280 [2022-07-22 12:21:48,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 826 states to 826 states and 3661 transitions. [2022-07-22 12:21:48,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 619 [2022-07-22 12:21:48,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 641 [2022-07-22 12:21:48,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 826 states and 3661 transitions. [2022-07-22 12:21:48,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:21:48,241 INFO L220 hiAutomatonCegarLoop]: Abstraction has 826 states and 3661 transitions. [2022-07-22 12:21:48,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states and 3661 transitions. [2022-07-22 12:21:48,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 794. [2022-07-22 12:21:48,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 794 states have (on average 4.478589420654912) internal successors, (3556), 793 states have internal predecessors, (3556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:48,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:48,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 3556 transitions. [2022-07-22 12:21:48,338 INFO L242 hiAutomatonCegarLoop]: Abstraction has 794 states and 3556 transitions. [2022-07-22 12:21:48,338 INFO L425 stractBuchiCegarLoop]: Abstraction has 794 states and 3556 transitions. [2022-07-22 12:21:48,338 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-22 12:21:48,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 794 states and 3556 transitions. [2022-07-22 12:21:48,351 INFO L131 ngComponentsAnalysis]: Automaton has 280 accepting balls. 280 [2022-07-22 12:21:48,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:21:48,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:21:48,352 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:21:48,353 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:21:48,354 INFO L748 eck$LassoCheckResult]: Stem: 12199#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 12103#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 11023#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 11025#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 11691#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 12415#[L89-4, thread2ENTRY, L41-4]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 12413#[L89-4, L41-4, L51-4]don't care [464] L51-4-->thread2EXIT: Formula: (and (= |v_thread2Thread1of1ForFork3_#res#1.offset_9| 0) (not (< |v_thread2Thread1of1ForFork3_~i~1#1_25| v_~N~0_43)) (= |v_thread2Thread1of1ForFork3_#res#1.base_9| 0)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_25|, ~N~0=v_~N~0_43} OutVars{thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_9|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_25|, ~N~0=v_~N~0_43, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_#res#1.base] 11289#[L89-4, L41-4, thread2EXIT]don't care [2022-07-22 12:21:48,354 INFO L750 eck$LassoCheckResult]: Loop: 11289#[L89-4, L41-4, thread2EXIT]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 11289#[L89-4, L41-4, thread2EXIT]don't care [2022-07-22 12:21:48,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:48,355 INFO L85 PathProgramCache]: Analyzing trace with hash 973989586, now seen corresponding path program 1 times [2022-07-22 12:21:48,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:48,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182711581] [2022-07-22 12:21:48,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:48,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:48,381 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:48,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:48,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:48,401 INFO L85 PathProgramCache]: Analyzing trace with hash 501, now seen corresponding path program 5 times [2022-07-22 12:21:48,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:48,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457071712] [2022-07-22 12:21:48,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:48,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:48,412 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:48,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:48,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:48,420 INFO L85 PathProgramCache]: Analyzing trace with hash 128906564, now seen corresponding path program 1 times [2022-07-22 12:21:48,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:48,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037084973] [2022-07-22 12:21:48,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:48,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:48,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:48,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:21:48,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037084973] [2022-07-22 12:21:48,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037084973] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:21:48,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:21:48,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 12:21:48,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548842418] [2022-07-22 12:21:48,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:21:48,504 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:48,505 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:48,505 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:48,505 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:48,505 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:21:48,505 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:48,505 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:48,505 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:48,506 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration6_Loop [2022-07-22 12:21:48,506 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:48,506 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:48,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,632 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:48,632 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:21:48,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:48,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:48,634 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:48,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-07-22 12:21:48,637 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:48,638 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:48,645 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:48,646 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post1=0} Honda state: {thread1Thread1of1ForFork1_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:48,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:48,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:48,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:48,670 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:48,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-07-22 12:21:48,672 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:48,672 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:48,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-07-22 12:21:48,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:48,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:48,704 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:48,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-07-22 12:21:48,706 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:21:48,706 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:48,853 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:21:48,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-07-22 12:21:48,855 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:48,856 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:48,856 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:48,856 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:48,856 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:21:48,856 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:48,856 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:48,856 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:48,856 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration6_Loop [2022-07-22 12:21:48,856 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:48,856 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:48,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:48,972 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:48,972 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:21:48,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:48,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:48,974 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:48,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:48,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:48,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:48,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:48,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:48,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:48,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:48,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:48,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-07-22 12:21:49,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:49,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:49,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:49,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:49,035 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:49,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:49,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:49,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:49,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:49,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:49,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:49,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:49,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:49,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-07-22 12:21:49,053 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:21:49,055 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:21:49,055 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:21:49,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:49,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:49,056 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:49,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-07-22 12:21:49,057 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:21:49,057 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:21:49,058 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:21:49,058 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork1_~i~0, ~N~0) = -1*thread1Thread1of1ForFork1_~i~0 + 1*~N~0 Supporting invariants [] [2022-07-22 12:21:49,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2022-07-22 12:21:49,081 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:21:49,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:49,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:49,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:49,139 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:21:49,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:49,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:49,140 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:21:49,140 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 794 states and 3556 transitions. cyclomatic complexity: 3191 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:49,217 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 794 states and 3556 transitions. cyclomatic complexity: 3191. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1026 states and 4374 transitions. Complement of second has 3 states. [2022-07-22 12:21:49,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:49,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:49,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 24 transitions. [2022-07-22 12:21:49,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 24 transitions. Stem has 7 letters. Loop has 1 letters. [2022-07-22 12:21:49,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:49,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 24 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:21:49,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:49,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 12:21:49,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:49,220 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1026 states and 4374 transitions. [2022-07-22 12:21:49,239 INFO L131 ngComponentsAnalysis]: Automaton has 278 accepting balls. 278 [2022-07-22 12:21:49,257 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1026 states to 1024 states and 4365 transitions. [2022-07-22 12:21:49,257 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 699 [2022-07-22 12:21:49,260 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 794 [2022-07-22 12:21:49,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1024 states and 4365 transitions. [2022-07-22 12:21:49,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:21:49,265 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1024 states and 4365 transitions. [2022-07-22 12:21:49,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states and 4365 transitions. [2022-07-22 12:21:49,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 816. [2022-07-22 12:21:49,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 816 states have (on average 4.439950980392157) internal successors, (3623), 815 states have internal predecessors, (3623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 3623 transitions. [2022-07-22 12:21:49,302 INFO L242 hiAutomatonCegarLoop]: Abstraction has 816 states and 3623 transitions. [2022-07-22 12:21:49,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:21:49,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 12:21:49,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 12:21:49,303 INFO L87 Difference]: Start difference. First operand 816 states and 3623 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:49,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:21:49,479 INFO L93 Difference]: Finished difference Result 1125 states and 4694 transitions. [2022-07-22 12:21:49,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1125 states and 4694 transitions. [2022-07-22 12:21:49,501 INFO L131 ngComponentsAnalysis]: Automaton has 404 accepting balls. 404 [2022-07-22 12:21:49,520 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1125 states to 1122 states and 4683 transitions. [2022-07-22 12:21:49,521 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 915 [2022-07-22 12:21:49,524 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 916 [2022-07-22 12:21:49,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1122 states and 4683 transitions. [2022-07-22 12:21:49,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:21:49,528 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1122 states and 4683 transitions. [2022-07-22 12:21:49,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states and 4683 transitions. [2022-07-22 12:21:49,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 864. [2022-07-22 12:21:49,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 864 states have (on average 4.431712962962963) internal successors, (3829), 863 states have internal predecessors, (3829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:49,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 3829 transitions. [2022-07-22 12:21:49,569 INFO L242 hiAutomatonCegarLoop]: Abstraction has 864 states and 3829 transitions. [2022-07-22 12:21:49,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 12:21:49,570 INFO L425 stractBuchiCegarLoop]: Abstraction has 864 states and 3829 transitions. [2022-07-22 12:21:49,571 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-22 12:21:49,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 864 states and 3829 transitions. [2022-07-22 12:21:49,583 INFO L131 ngComponentsAnalysis]: Automaton has 302 accepting balls. 302 [2022-07-22 12:21:49,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:21:49,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:21:49,584 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:21:49,584 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:21:49,584 INFO L748 eck$LassoCheckResult]: Stem: 17733#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 17633#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 16437#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 16439#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 17159#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 17403#[L89-4, thread2ENTRY, L41-4]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 16709#[L89-4, L41-4, L51-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 16713#[L89-4, L41-4, L51-4]don't care [2022-07-22 12:21:49,585 INFO L750 eck$LassoCheckResult]: Loop: 16713#[L89-4, L41-4, L51-4]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 16713#[L89-4, L41-4, L51-4]don't care [2022-07-22 12:21:49,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:49,585 INFO L85 PathProgramCache]: Analyzing trace with hash 973989592, now seen corresponding path program 1 times [2022-07-22 12:21:49,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:49,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699762558] [2022-07-22 12:21:49,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:49,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:49,600 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:49,611 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:49,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:49,612 INFO L85 PathProgramCache]: Analyzing trace with hash 499, now seen corresponding path program 2 times [2022-07-22 12:21:49,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:49,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149499418] [2022-07-22 12:21:49,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:49,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:49,617 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:49,621 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:49,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:49,622 INFO L85 PathProgramCache]: Analyzing trace with hash 128906748, now seen corresponding path program 1 times [2022-07-22 12:21:49,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:49,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127851754] [2022-07-22 12:21:49,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:49,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:49,642 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:49,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:49,722 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:49,722 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:49,722 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:49,722 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:49,722 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:21:49,722 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:49,722 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:49,723 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:49,723 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration7_Loop [2022-07-22 12:21:49,723 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:49,723 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:49,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:49,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:49,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:49,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:49,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:49,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:49,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:49,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:49,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:49,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:49,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:49,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:49,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:49,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:49,911 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:49,911 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:21:49,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:49,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:49,912 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:49,915 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:49,915 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:49,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-07-22 12:21:49,925 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:49,925 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post3#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:49,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:49,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:49,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:49,947 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:49,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-07-22 12:21:49,953 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:49,953 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:49,966 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:49,966 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Honda state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:49,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:49,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:49,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:49,989 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:49,991 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:49,992 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:49,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-07-22 12:21:50,005 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:50,005 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_13=0} Honda state: {v_rep#funAddr~thread1.offset_13=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:50,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2022-07-22 12:21:50,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,027 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-07-22 12:21:50,028 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:50,028 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:50,045 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:50,045 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_13=-1} Honda state: {v_rep#funAddr~thread1.base_13=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:50,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:50,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,071 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-07-22 12:21:50,074 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:50,074 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:50,087 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:50,088 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_13=-1} Honda state: {v_rep#funAddr~thread4.base_13=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:50,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-07-22 12:21:50,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,110 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-07-22 12:21:50,111 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:50,111 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:50,124 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:50,124 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_13=-1} Honda state: {v_rep#funAddr~thread2.base_13=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:50,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2022-07-22 12:21:50,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,147 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-07-22 12:21:50,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:50,148 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:50,162 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:50,162 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_13=-1} Honda state: {v_rep#funAddr~thread3.base_13=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:50,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2022-07-22 12:21:50,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,184 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,185 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:50,185 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:50,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-07-22 12:21:50,198 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:50,199 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_13=1} Honda state: {v_rep#funAddr~thread2.offset_13=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:50,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2022-07-22 12:21:50,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,221 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-07-22 12:21:50,222 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:50,222 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:50,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:50,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,253 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,256 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:21:50,256 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:50,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-07-22 12:21:50,293 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:21:50,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:50,296 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:50,296 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:50,296 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:50,296 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:50,296 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:21:50,296 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,296 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:50,296 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:50,296 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration7_Loop [2022-07-22 12:21:50,297 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:50,297 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:50,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:50,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:50,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:50,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:50,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:50,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:50,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:50,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:50,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:50,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:50,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:50,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:50,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:50,423 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:50,423 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:21:50,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,425 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:50,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:50,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:50,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:50,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:50,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:50,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:50,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:50,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-07-22 12:21:50,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:50,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:50,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,497 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:50,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:50,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:50,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:50,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:50,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:50,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:50,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-07-22 12:21:50,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:50,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:50,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,560 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-07-22 12:21:50,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:50,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:50,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:50,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:50,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:50,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:50,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:50,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:50,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:50,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,600 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-07-22 12:21:50,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:50,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:50,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:50,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:50,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:50,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:50,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:50,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:50,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2022-07-22 12:21:50,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,637 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-07-22 12:21:50,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:50,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:50,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:50,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:50,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:50,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:50,647 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:50,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:50,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2022-07-22 12:21:50,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,674 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:50,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-07-22 12:21:50,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:50,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:50,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:50,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:50,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:50,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:50,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:50,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2022-07-22 12:21:50,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,711 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-07-22 12:21:50,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:50,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:50,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:50,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:50,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:50,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:50,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:50,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:50,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:50,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,748 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-07-22 12:21:50,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:50,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:50,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:50,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:50,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:50,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:50,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:50,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:50,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:50,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:50,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,810 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:50,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:50,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:50,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:50,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:50,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:50,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:50,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2022-07-22 12:21:50,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:50,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:50,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,865 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2022-07-22 12:21:50,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:50,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:50,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:50,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:50,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:50,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:50,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:50,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:50,888 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:21:50,890 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:21:50,890 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:21:50,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:50,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:50,892 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:50,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2022-07-22 12:21:50,893 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:21:50,893 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:21:50,893 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:21:50,893 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter1~0) = 1*~counter1~0 Supporting invariants [] [2022-07-22 12:21:50,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:50,916 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:21:50,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:50,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:50,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:50,970 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:21:50,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:50,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:50,972 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:21:50,972 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 864 states and 3829 transitions. cyclomatic complexity: 3417 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:51,062 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 864 states and 3829 transitions. cyclomatic complexity: 3417. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1375 states and 6209 transitions. Complement of second has 3 states. [2022-07-22 12:21:51,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:51,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:51,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 27 transitions. [2022-07-22 12:21:51,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 7 letters. Loop has 1 letters. [2022-07-22 12:21:51,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:51,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:21:51,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:51,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 12:21:51,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:51,064 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1375 states and 6209 transitions. [2022-07-22 12:21:51,091 INFO L131 ngComponentsAnalysis]: Automaton has 348 accepting balls. 348 [2022-07-22 12:21:51,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1375 states to 1375 states and 6209 transitions. [2022-07-22 12:21:51,114 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 866 [2022-07-22 12:21:51,118 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1012 [2022-07-22 12:21:51,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1375 states and 6209 transitions. [2022-07-22 12:21:51,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:21:51,124 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1375 states and 6209 transitions. [2022-07-22 12:21:51,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states and 6209 transitions. [2022-07-22 12:21:51,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 964. [2022-07-22 12:21:51,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 964 states have (on average 4.6037344398340245) internal successors, (4438), 963 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:51,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 4438 transitions. [2022-07-22 12:21:51,173 INFO L242 hiAutomatonCegarLoop]: Abstraction has 964 states and 4438 transitions. [2022-07-22 12:21:51,173 INFO L425 stractBuchiCegarLoop]: Abstraction has 964 states and 4438 transitions. [2022-07-22 12:21:51,173 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-07-22 12:21:51,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 964 states and 4438 transitions. [2022-07-22 12:21:51,185 INFO L131 ngComponentsAnalysis]: Automaton has 302 accepting balls. 302 [2022-07-22 12:21:51,186 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:21:51,186 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:21:51,186 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:21:51,186 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:21:51,187 INFO L748 eck$LassoCheckResult]: Stem: 20798#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 20704#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 19578#[thread1ENTRY, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 19582#[L89-3, thread1ENTRY]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 20626#[L89-4, thread2ENTRY, thread1ENTRY]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 20650#[thread2ENTRY, L90-3, thread1ENTRY]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 20020#[thread2ENTRY, thread3ENTRY, L90-4, thread1ENTRY]don't care [354] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 20022#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [2022-07-22 12:21:51,188 INFO L750 eck$LassoCheckResult]: Loop: 20022#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 20022#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [2022-07-22 12:21:51,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:51,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1104291497, now seen corresponding path program 1 times [2022-07-22 12:21:51,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:51,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913608515] [2022-07-22 12:21:51,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:51,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:51,204 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:51,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:51,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:51,217 INFO L85 PathProgramCache]: Analyzing trace with hash 507, now seen corresponding path program 1 times [2022-07-22 12:21:51,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:51,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032065821] [2022-07-22 12:21:51,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:51,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:51,221 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:51,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:51,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:51,224 INFO L85 PathProgramCache]: Analyzing trace with hash -126701485, now seen corresponding path program 1 times [2022-07-22 12:21:51,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:51,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948606374] [2022-07-22 12:21:51,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:51,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:51,241 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:51,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:51,267 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:51,268 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:51,268 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:51,268 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:51,268 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:21:51,268 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:51,268 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:51,268 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:51,268 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration8_Loop [2022-07-22 12:21:51,268 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:51,269 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:51,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,358 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:51,358 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:21:51,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:51,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:51,362 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:51,366 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:51,366 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:51,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2022-07-22 12:21:51,384 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:51,384 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_15=3} Honda state: {v_rep#funAddr~thread4.offset_15=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:51,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:51,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:51,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:51,418 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:51,420 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:51,420 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:51,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2022-07-22 12:21:51,439 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:51,439 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_15=-1} Honda state: {v_rep#funAddr~thread1.base_15=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:51,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2022-07-22 12:21:51,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:51,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:51,468 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:51,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2022-07-22 12:21:51,469 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:51,469 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:51,482 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:51,482 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_15=-1} Honda state: {v_rep#funAddr~thread4.base_15=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:51,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2022-07-22 12:21:51,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:51,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:51,505 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:51,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2022-07-22 12:21:51,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:51,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:51,519 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:51,520 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_15=-1} Honda state: {v_rep#funAddr~thread3.base_15=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:51,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2022-07-22 12:21:51,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:51,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:51,542 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:51,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2022-07-22 12:21:51,544 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:51,544 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:51,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2022-07-22 12:21:51,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:51,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:51,585 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:51,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2022-07-22 12:21:51,587 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:21:51,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:51,609 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:51,610 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter2~0=0} Honda state: {~counter2~0=0} Generalized eigenvectors: [{~counter2~0=-2}, {~counter2~0=4}, {~counter2~0=-1}] Lambdas: [1, 1, 1] Nus: [0, 0] [2022-07-22 12:21:51,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2022-07-22 12:21:51,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:51,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:51,633 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:51,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2022-07-22 12:21:51,635 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:51,635 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:51,648 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:51,648 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_15=0} Honda state: {v_rep#funAddr~thread1.offset_15=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:51,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:51,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:51,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:51,671 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:51,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2022-07-22 12:21:51,672 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:51,672 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:51,687 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:51,687 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_15=-1} Honda state: {v_rep#funAddr~thread2.base_15=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:51,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2022-07-22 12:21:51,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:51,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:51,710 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:51,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2022-07-22 12:21:51,713 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:51,713 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:51,727 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:51,727 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_15=1} Honda state: {v_rep#funAddr~thread2.offset_15=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:51,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2022-07-22 12:21:51,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:51,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:51,750 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:51,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2022-07-22 12:21:51,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:51,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:51,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2022-07-22 12:21:51,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:51,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:51,784 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:51,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2022-07-22 12:21:51,786 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:21:51,786 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:51,937 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:21:51,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:51,941 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:51,941 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:51,941 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:51,941 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:51,941 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:21:51,941 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:51,941 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:51,941 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:51,941 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration8_Loop [2022-07-22 12:21:51,941 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:51,941 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:51,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:51,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:52,048 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:52,049 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:21:52,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:52,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:52,050 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:52,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2022-07-22 12:21:52,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:52,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:52,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:52,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:52,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:52,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:52,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:52,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:52,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2022-07-22 12:21:52,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2022-07-22 12:21:52,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:52,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:52,139 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:52,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2022-07-22 12:21:52,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:52,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:52,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:52,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:52,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:52,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:52,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:52,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:52,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2022-07-22 12:21:52,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:52,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:52,178 INFO L229 MonitoredProcess]: Starting monitored process 111 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:52,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2022-07-22 12:21:52,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:52,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:52,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:52,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:52,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:52,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:52,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:52,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:52,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2022-07-22 12:21:52,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:52,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:52,214 INFO L229 MonitoredProcess]: Starting monitored process 112 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:52,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2022-07-22 12:21:52,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:52,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:52,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:52,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:52,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:52,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:52,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:52,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:52,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:52,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:52,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:52,276 INFO L229 MonitoredProcess]: Starting monitored process 113 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:52,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2022-07-22 12:21:52,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:52,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:52,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:52,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:52,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:52,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:52,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:52,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:52,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:52,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:52,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:52,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:52,313 INFO L229 MonitoredProcess]: Starting monitored process 114 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:52,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2022-07-22 12:21:52,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:52,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:52,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:52,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:52,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:52,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:52,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:52,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:52,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2022-07-22 12:21:52,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:52,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:52,349 INFO L229 MonitoredProcess]: Starting monitored process 115 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:52,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2022-07-22 12:21:52,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:52,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:52,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:52,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:52,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:52,360 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:52,360 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:52,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:52,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:52,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:52,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:52,391 INFO L229 MonitoredProcess]: Starting monitored process 116 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:52,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2022-07-22 12:21:52,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:52,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:52,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:52,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:52,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:52,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:52,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:52,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:52,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:52,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:52,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:52,430 INFO L229 MonitoredProcess]: Starting monitored process 117 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:52,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2022-07-22 12:21:52,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:52,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:52,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:52,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:52,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:52,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:52,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:52,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:52,442 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:21:52,444 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:21:52,444 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:21:52,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:52,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:52,445 INFO L229 MonitoredProcess]: Starting monitored process 118 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:52,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2022-07-22 12:21:52,446 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:21:52,446 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:21:52,446 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:21:52,446 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread3Thread1of1ForFork0_~i~2) = 1*~N~0 - 1*thread3Thread1of1ForFork0_~i~2 Supporting invariants [] [2022-07-22 12:21:52,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:52,469 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:21:52,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:52,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:52,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:52,535 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:21:52,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:52,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:52,536 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:21:52,536 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 964 states and 4438 transitions. cyclomatic complexity: 3951 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:52,634 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 964 states and 4438 transitions. cyclomatic complexity: 3951. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1638 states and 7681 transitions. Complement of second has 3 states. [2022-07-22 12:21:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:52,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:52,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 24 transitions. [2022-07-22 12:21:52,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 24 transitions. Stem has 7 letters. Loop has 1 letters. [2022-07-22 12:21:52,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:52,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 24 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:21:52,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:52,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 12:21:52,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:52,636 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1638 states and 7681 transitions. [2022-07-22 12:21:52,665 INFO L131 ngComponentsAnalysis]: Automaton has 301 accepting balls. 301 [2022-07-22 12:21:52,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1638 states to 1635 states and 7676 transitions. [2022-07-22 12:21:52,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 882 [2022-07-22 12:21:52,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1170 [2022-07-22 12:21:52,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1635 states and 7676 transitions. [2022-07-22 12:21:52,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:21:52,707 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1635 states and 7676 transitions. [2022-07-22 12:21:52,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states and 7676 transitions. [2022-07-22 12:21:52,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1302. [2022-07-22 12:21:52,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1302 states, 1302 states have (on average 4.7480798771121355) internal successors, (6182), 1301 states have internal predecessors, (6182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:52,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1302 states and 6182 transitions. [2022-07-22 12:21:52,765 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1302 states and 6182 transitions. [2022-07-22 12:21:52,765 INFO L425 stractBuchiCegarLoop]: Abstraction has 1302 states and 6182 transitions. [2022-07-22 12:21:52,765 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-07-22 12:21:52,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1302 states and 6182 transitions. [2022-07-22 12:21:52,782 INFO L131 ngComponentsAnalysis]: Automaton has 301 accepting balls. 301 [2022-07-22 12:21:52,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:21:52,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:21:52,783 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2022-07-22 12:21:52,783 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:21:52,784 INFO L748 eck$LassoCheckResult]: Stem: 24858#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 24696#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 23172#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 23174#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 23976#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 23982#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 25008#[L89-4, thread2ENTRY, L41-4]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 25010#[L89-4, L41-4, L51-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 23488#[L89-4, L41-4, L51-4]don't care [2022-07-22 12:21:52,784 INFO L750 eck$LassoCheckResult]: Loop: 23488#[L89-4, L41-4, L51-4]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 23488#[L89-4, L41-4, L51-4]don't care [2022-07-22 12:21:52,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:52,784 INFO L85 PathProgramCache]: Analyzing trace with hash 124324640, now seen corresponding path program 2 times [2022-07-22 12:21:52,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:52,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426335633] [2022-07-22 12:21:52,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:52,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:52,797 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:52,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:52,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:52,808 INFO L85 PathProgramCache]: Analyzing trace with hash 499, now seen corresponding path program 3 times [2022-07-22 12:21:52,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:52,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429836849] [2022-07-22 12:21:52,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:52,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:52,813 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:52,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:52,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:52,818 INFO L85 PathProgramCache]: Analyzing trace with hash -440902988, now seen corresponding path program 2 times [2022-07-22 12:21:52,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:52,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593812293] [2022-07-22 12:21:52,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:52,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:52,831 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:52,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:52,886 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:52,887 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:52,887 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:52,887 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:52,887 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:21:52,887 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:52,887 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:52,887 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:52,887 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration9_Loop [2022-07-22 12:21:52,888 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:52,888 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:52,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:52,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:52,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:52,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:52,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:52,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:52,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:52,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:52,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:52,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:52,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:52,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:52,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:53,002 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:53,002 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:21:53,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,004 INFO L229 MonitoredProcess]: Starting monitored process 119 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2022-07-22 12:21:53,010 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:53,010 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:53,034 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:53,034 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Honda state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:53,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:53,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,070 INFO L229 MonitoredProcess]: Starting monitored process 120 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:53,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:53,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2022-07-22 12:21:53,090 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:53,090 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_17=3} Honda state: {v_rep#funAddr~thread4.offset_17=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:53,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:53,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,125 INFO L229 MonitoredProcess]: Starting monitored process 121 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2022-07-22 12:21:53,126 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:53,126 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:53,139 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:53,139 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_17=2} Honda state: {v_rep#funAddr~thread3.offset_17=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:53,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2022-07-22 12:21:53,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,173 INFO L229 MonitoredProcess]: Starting monitored process 122 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,181 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:53,181 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:53,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2022-07-22 12:21:53,194 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:53,195 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post4#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:53,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2022-07-22 12:21:53,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,217 INFO L229 MonitoredProcess]: Starting monitored process 123 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2022-07-22 12:21:53,218 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:53,218 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:53,231 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:53,231 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_17=0} Honda state: {v_rep#funAddr~thread1.offset_17=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:53,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:53,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,256 INFO L229 MonitoredProcess]: Starting monitored process 124 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2022-07-22 12:21:53,258 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:53,258 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:53,270 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:53,270 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_17=-1} Honda state: {v_rep#funAddr~thread4.base_17=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:53,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2022-07-22 12:21:53,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,295 INFO L229 MonitoredProcess]: Starting monitored process 125 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2022-07-22 12:21:53,297 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:53,297 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:53,310 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:53,310 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_17=-1} Honda state: {v_rep#funAddr~thread3.base_17=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:53,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:53,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,332 INFO L229 MonitoredProcess]: Starting monitored process 126 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,336 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:53,337 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:53,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2022-07-22 12:21:53,350 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:53,350 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_17=1} Honda state: {v_rep#funAddr~thread2.offset_17=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:53,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2022-07-22 12:21:53,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,373 INFO L229 MonitoredProcess]: Starting monitored process 127 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2022-07-22 12:21:53,375 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:53,375 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:53,390 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:53,390 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_17=-1} Honda state: {v_rep#funAddr~thread2.base_17=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:53,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:53,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,414 INFO L229 MonitoredProcess]: Starting monitored process 128 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2022-07-22 12:21:53,420 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:53,420 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:53,433 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:53,433 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_17=-1} Honda state: {v_rep#funAddr~thread1.base_17=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:53,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:53,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,456 INFO L229 MonitoredProcess]: Starting monitored process 129 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2022-07-22 12:21:53,458 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:53,458 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:53,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:53,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,488 INFO L229 MonitoredProcess]: Starting monitored process 130 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,490 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:21:53,490 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:53,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2022-07-22 12:21:53,631 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:21:53,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2022-07-22 12:21:53,634 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:53,634 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:53,634 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:53,634 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:53,635 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:21:53,635 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,635 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:53,635 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:53,635 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration9_Loop [2022-07-22 12:21:53,635 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:53,635 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:53,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:53,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:53,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:53,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:53,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:53,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:53,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:53,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:53,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:53,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:53,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:53,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:53,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:53,763 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:53,763 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:21:53,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,765 INFO L229 MonitoredProcess]: Starting monitored process 131 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2022-07-22 12:21:53,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:53,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:53,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:53,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:53,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:53,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:53,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:53,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:53,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:53,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:53,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,801 INFO L229 MonitoredProcess]: Starting monitored process 132 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2022-07-22 12:21:53,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:53,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:53,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:53,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:53,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:53,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:53,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:53,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:53,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2022-07-22 12:21:53,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,841 INFO L229 MonitoredProcess]: Starting monitored process 133 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2022-07-22 12:21:53,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:53,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:53,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:53,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:53,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:53,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:53,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:53,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:53,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2022-07-22 12:21:53,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,876 INFO L229 MonitoredProcess]: Starting monitored process 134 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2022-07-22 12:21:53,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:53,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:53,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:53,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:53,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:53,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:53,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:53,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:53,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2022-07-22 12:21:53,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,927 INFO L229 MonitoredProcess]: Starting monitored process 135 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2022-07-22 12:21:53,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:53,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:53,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:53,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:53,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:53,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:53,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:53,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:53,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:53,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2022-07-22 12:21:53,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,960 INFO L229 MonitoredProcess]: Starting monitored process 136 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2022-07-22 12:21:53,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:53,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:53,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:53,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:53,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:53,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:53,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:53,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:53,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:53,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:53,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:53,995 INFO L229 MonitoredProcess]: Starting monitored process 137 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:53,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2022-07-22 12:21:53,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:54,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:54,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:54,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:54,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:54,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:54,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:54,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:54,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2022-07-22 12:21:54,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:54,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:54,030 INFO L229 MonitoredProcess]: Starting monitored process 138 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:54,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2022-07-22 12:21:54,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:54,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:54,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:54,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:54,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:54,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:54,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:54,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:54,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2022-07-22 12:21:54,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:54,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:54,065 INFO L229 MonitoredProcess]: Starting monitored process 139 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:54,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2022-07-22 12:21:54,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:54,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:54,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:54,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:54,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:54,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:54,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:54,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:54,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:54,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:54,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:54,102 INFO L229 MonitoredProcess]: Starting monitored process 140 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:54,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2022-07-22 12:21:54,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:54,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:54,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:54,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:54,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:54,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:54,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:54,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:54,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:54,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:54,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:54,138 INFO L229 MonitoredProcess]: Starting monitored process 141 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:54,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2022-07-22 12:21:54,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:54,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:54,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:54,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:54,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:54,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:54,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:54,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:54,148 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:21:54,151 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:21:54,151 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:21:54,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:54,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:54,152 INFO L229 MonitoredProcess]: Starting monitored process 142 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:54,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2022-07-22 12:21:54,153 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:21:54,153 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:21:54,153 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:21:54,153 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread2Thread1of1ForFork3_~i~1#1) = 1*~N~0 - 1*thread2Thread1of1ForFork3_~i~1#1 Supporting invariants [] [2022-07-22 12:21:54,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2022-07-22 12:21:54,175 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:21:54,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:54,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:54,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:54,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:54,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:21:54,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:54,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:54,286 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:21:54,287 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1302 states and 6182 transitions. cyclomatic complexity: 5511 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:54,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:54,397 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1302 states and 6182 transitions. cyclomatic complexity: 5511. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1798 states and 8384 transitions. Complement of second has 3 states. [2022-07-22 12:21:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:54,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:54,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 27 transitions. [2022-07-22 12:21:54,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:21:54,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:54,400 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:21:54,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:54,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:54,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:54,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:21:54,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:54,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:54,445 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:21:54,445 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1302 states and 6182 transitions. cyclomatic complexity: 5511 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:54,540 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1302 states and 6182 transitions. cyclomatic complexity: 5511. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1798 states and 8384 transitions. Complement of second has 3 states. [2022-07-22 12:21:54,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:54,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 27 transitions. [2022-07-22 12:21:54,544 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:21:54,545 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:54,545 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:21:54,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:54,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:54,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:54,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:21:54,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:54,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:54,590 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:21:54,590 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1302 states and 6182 transitions. cyclomatic complexity: 5511 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:54,676 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1302 states and 6182 transitions. cyclomatic complexity: 5511. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1873 states and 9156 transitions. Complement of second has 3 states. [2022-07-22 12:21:54,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:54,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:54,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 29 transitions. [2022-07-22 12:21:54,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:21:54,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:54,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:21:54,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:54,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:21:54,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:54,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1873 states and 9156 transitions. [2022-07-22 12:21:54,712 INFO L131 ngComponentsAnalysis]: Automaton has 314 accepting balls. 486 [2022-07-22 12:21:54,746 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1873 states to 1873 states and 9156 transitions. [2022-07-22 12:21:54,746 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 973 [2022-07-22 12:21:54,751 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1189 [2022-07-22 12:21:54,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1873 states and 9156 transitions. [2022-07-22 12:21:54,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:21:54,759 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1873 states and 9156 transitions. [2022-07-22 12:21:54,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1873 states and 9156 transitions. [2022-07-22 12:21:54,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1312. [2022-07-22 12:21:54,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1312 states have (on average 4.743140243902439) internal successors, (6223), 1311 states have internal predecessors, (6223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:54,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 6223 transitions. [2022-07-22 12:21:54,823 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1312 states and 6223 transitions. [2022-07-22 12:21:54,823 INFO L425 stractBuchiCegarLoop]: Abstraction has 1312 states and 6223 transitions. [2022-07-22 12:21:54,823 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-07-22 12:21:54,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1312 states and 6223 transitions. [2022-07-22 12:21:54,839 INFO L131 ngComponentsAnalysis]: Automaton has 314 accepting balls. 410 [2022-07-22 12:21:54,839 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:21:54,840 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:21:54,840 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:21:54,840 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 12:21:54,841 INFO L748 eck$LassoCheckResult]: Stem: 33012#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 32820#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 31356#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 31358#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 32152#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 32480#[L89-4, thread2ENTRY, L41-4]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 32868#[L89-4, L41-4, L51-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 31664#[L89-4, L41-4, L51-4]don't care [2022-07-22 12:21:54,841 INFO L750 eck$LassoCheckResult]: Loop: 31664#[L89-4, L41-4, L51-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 31670#[L89-4, L41-4, L51-4]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 31664#[L89-4, L41-4, L51-4]don't care [2022-07-22 12:21:54,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:54,842 INFO L85 PathProgramCache]: Analyzing trace with hash 973989592, now seen corresponding path program 3 times [2022-07-22 12:21:54,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:54,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22202180] [2022-07-22 12:21:54,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:54,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:54,854 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:54,864 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:54,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:54,865 INFO L85 PathProgramCache]: Analyzing trace with hash 15999, now seen corresponding path program 1 times [2022-07-22 12:21:54,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:54,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395502859] [2022-07-22 12:21:54,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:54,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:54,870 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:54,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:54,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:54,876 INFO L85 PathProgramCache]: Analyzing trace with hash -298857578, now seen corresponding path program 3 times [2022-07-22 12:21:54,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:54,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336331642] [2022-07-22 12:21:54,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:54,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:54,889 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:54,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:54,973 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:54,974 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:54,974 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:54,974 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:54,974 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:21:54,974 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:54,974 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:54,974 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:54,974 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration10_Loop [2022-07-22 12:21:54,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:54,974 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:54,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:54,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:54,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:54,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:54,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:54,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:54,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:54,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:54,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:54,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:54,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:54,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:54,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:54,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:55,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:55,100 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:55,100 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:21:55,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:55,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:55,101 INFO L229 MonitoredProcess]: Starting monitored process 143 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:55,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2022-07-22 12:21:55,106 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:55,106 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:55,128 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:55,128 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_19=3} Honda state: {v_rep#funAddr~thread4.offset_19=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:55,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:55,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:55,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:55,154 INFO L229 MonitoredProcess]: Starting monitored process 144 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:55,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2022-07-22 12:21:55,155 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:55,155 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:55,168 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:55,169 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_19=-1} Honda state: {v_rep#funAddr~thread3.base_19=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:55,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2022-07-22 12:21:55,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:55,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:55,190 INFO L229 MonitoredProcess]: Starting monitored process 145 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:55,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2022-07-22 12:21:55,191 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:55,191 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:55,204 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:55,204 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_19=2} Honda state: {v_rep#funAddr~thread3.offset_19=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:55,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:55,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:55,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:55,227 INFO L229 MonitoredProcess]: Starting monitored process 146 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:55,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2022-07-22 12:21:55,227 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:55,228 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:55,240 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:55,240 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_19=1} Honda state: {v_rep#funAddr~thread2.offset_19=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:55,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:55,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:55,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:55,263 INFO L229 MonitoredProcess]: Starting monitored process 147 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:55,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2022-07-22 12:21:55,264 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:55,264 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:55,277 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:55,277 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_19=-1} Honda state: {v_rep#funAddr~thread4.base_19=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:55,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2022-07-22 12:21:55,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:55,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:55,300 INFO L229 MonitoredProcess]: Starting monitored process 148 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:55,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2022-07-22 12:21:55,301 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:55,301 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:55,313 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:55,314 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_19=0} Honda state: {v_rep#funAddr~thread1.offset_19=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:55,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2022-07-22 12:21:55,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:55,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:55,336 INFO L229 MonitoredProcess]: Starting monitored process 149 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:55,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2022-07-22 12:21:55,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:55,337 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:55,351 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:55,352 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_19=-1} Honda state: {v_rep#funAddr~thread2.base_19=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:55,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2022-07-22 12:21:55,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:55,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:55,376 INFO L229 MonitoredProcess]: Starting monitored process 150 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:55,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2022-07-22 12:21:55,376 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:55,377 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:55,384 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:55,384 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post4#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:55,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:55,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:55,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:55,407 INFO L229 MonitoredProcess]: Starting monitored process 151 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:55,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2022-07-22 12:21:55,428 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:55,429 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:55,436 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:55,436 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post3#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:55,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2022-07-22 12:21:55,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:55,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:55,460 INFO L229 MonitoredProcess]: Starting monitored process 152 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:55,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2022-07-22 12:21:55,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:55,461 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:55,469 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:55,469 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post1=0} Honda state: {thread1Thread1of1ForFork1_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:55,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2022-07-22 12:21:55,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:55,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:55,492 INFO L229 MonitoredProcess]: Starting monitored process 153 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:55,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2022-07-22 12:21:55,493 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:55,493 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:55,507 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:55,507 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_19=-1} Honda state: {v_rep#funAddr~thread1.base_19=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:55,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:55,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:55,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:55,530 INFO L229 MonitoredProcess]: Starting monitored process 154 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:55,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2022-07-22 12:21:55,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:55,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:55,544 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:55,544 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter1~0=0} Honda state: {~counter1~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:55,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2022-07-22 12:21:55,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:55,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:55,566 INFO L229 MonitoredProcess]: Starting monitored process 155 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:55,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2022-07-22 12:21:55,567 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:55,567 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:55,575 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:21:55,576 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post2=0} Honda state: {thread1Thread1of1ForFork1_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:21:55,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2022-07-22 12:21:55,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:55,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:55,598 INFO L229 MonitoredProcess]: Starting monitored process 156 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:55,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2022-07-22 12:21:55,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:55,600 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:55,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2022-07-22 12:21:55,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:55,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:55,664 INFO L229 MonitoredProcess]: Starting monitored process 157 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:55,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:21:55,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:55,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2022-07-22 12:21:55,884 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:21:55,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2022-07-22 12:21:55,887 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:55,887 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:55,887 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:55,887 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:55,888 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:21:55,888 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:55,888 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:55,888 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:55,888 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration10_Loop [2022-07-22 12:21:55,888 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:55,888 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:55,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:55,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:55,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:55,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:55,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:55,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:55,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:55,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:55,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:55,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:55,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:55,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:55,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:55,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:55,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:56,040 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:56,041 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:21:56,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:56,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:56,042 INFO L229 MonitoredProcess]: Starting monitored process 158 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:56,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2022-07-22 12:21:56,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:56,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:56,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:56,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:56,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:56,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:56,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:56,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:56,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2022-07-22 12:21:56,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:56,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:56,104 INFO L229 MonitoredProcess]: Starting monitored process 159 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:56,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:56,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:56,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:56,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:56,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:56,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2022-07-22 12:21:56,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:56,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:56,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:56,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:56,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:56,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:56,174 INFO L229 MonitoredProcess]: Starting monitored process 160 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:56,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:56,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2022-07-22 12:21:56,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:56,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:56,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:56,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:56,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:56,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:56,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:56,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:56,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:56,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:56,227 INFO L229 MonitoredProcess]: Starting monitored process 161 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:56,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2022-07-22 12:21:56,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:56,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:56,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:56,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:56,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:56,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:56,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:56,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:56,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Ended with exit code 0 [2022-07-22 12:21:56,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:56,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:56,264 INFO L229 MonitoredProcess]: Starting monitored process 162 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:56,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2022-07-22 12:21:56,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:56,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:56,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:56,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:56,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:56,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:56,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:56,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:56,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2022-07-22 12:21:56,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:56,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:56,332 INFO L229 MonitoredProcess]: Starting monitored process 163 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:56,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2022-07-22 12:21:56,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:56,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:56,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:56,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:56,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:56,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:56,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:56,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:56,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:56,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2022-07-22 12:21:56,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:56,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:56,365 INFO L229 MonitoredProcess]: Starting monitored process 164 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:56,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2022-07-22 12:21:56,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:56,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:56,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:56,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:56,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:56,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:56,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:56,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:56,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:56,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2022-07-22 12:21:56,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:56,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:56,398 INFO L229 MonitoredProcess]: Starting monitored process 165 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:56,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2022-07-22 12:21:56,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:56,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:56,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:56,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:56,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:56,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:56,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:56,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:56,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:56,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:56,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:56,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:56,432 INFO L229 MonitoredProcess]: Starting monitored process 166 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:56,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2022-07-22 12:21:56,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:56,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:56,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:56,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:56,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:56,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:56,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:56,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:56,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2022-07-22 12:21:56,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:56,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:56,468 INFO L229 MonitoredProcess]: Starting monitored process 167 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:56,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2022-07-22 12:21:56,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:56,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:56,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:56,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:56,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:56,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:56,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:56,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:56,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:56,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:56,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:56,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:56,501 INFO L229 MonitoredProcess]: Starting monitored process 168 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:56,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2022-07-22 12:21:56,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:56,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:56,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:56,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:56,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:56,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:21:56,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:21:56,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:56,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2022-07-22 12:21:56,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:56,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:56,538 INFO L229 MonitoredProcess]: Starting monitored process 169 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:56,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2022-07-22 12:21:56,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:56,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:56,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:56,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:56,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:56,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:56,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:56,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:56,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:21:56,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:56,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:56,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:56,571 INFO L229 MonitoredProcess]: Starting monitored process 170 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:56,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2022-07-22 12:21:56,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:56,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:56,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:56,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:56,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:56,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:56,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:56,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:56,584 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:21:56,588 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:21:56,588 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:21:56,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:56,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:56,589 INFO L229 MonitoredProcess]: Starting monitored process 171 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:56,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2022-07-22 12:21:56,590 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:21:56,590 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:21:56,590 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:21:56,590 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork3_~i~1#1, ~N~0) = -1*thread2Thread1of1ForFork3_~i~1#1 + 1*~N~0 Supporting invariants [] [2022-07-22 12:21:56,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:56,614 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:21:56,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:56,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:56,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:56,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:21:56,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:56,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:56,669 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:21:56,669 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1312 states and 6223 transitions. cyclomatic complexity: 5530 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:56,798 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1312 states and 6223 transitions. cyclomatic complexity: 5530. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3426 states and 17129 transitions. Complement of second has 5 states. [2022-07-22 12:21:56,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:56,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:56,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 66 transitions. [2022-07-22 12:21:56,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 66 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 12:21:56,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:56,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 66 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 12:21:56,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:56,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 66 transitions. Stem has 7 letters. Loop has 4 letters. [2022-07-22 12:21:56,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:56,800 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3426 states and 17129 transitions. [2022-07-22 12:21:56,860 INFO L131 ngComponentsAnalysis]: Automaton has 512 accepting balls. 678 [2022-07-22 12:21:56,922 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3426 states to 2876 states and 14080 transitions. [2022-07-22 12:21:56,922 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1588 [2022-07-22 12:21:56,932 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1791 [2022-07-22 12:21:56,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2876 states and 14080 transitions. [2022-07-22 12:21:56,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:21:56,933 INFO L220 hiAutomatonCegarLoop]: Abstraction has 2876 states and 14080 transitions. [2022-07-22 12:21:56,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2876 states and 14080 transitions. [2022-07-22 12:21:57,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2876 to 1726. [2022-07-22 12:21:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1726 states, 1726 states have (on average 5.190034762456547) internal successors, (8958), 1725 states have internal predecessors, (8958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:57,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1726 states and 8958 transitions. [2022-07-22 12:21:57,031 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1726 states and 8958 transitions. [2022-07-22 12:21:57,031 INFO L425 stractBuchiCegarLoop]: Abstraction has 1726 states and 8958 transitions. [2022-07-22 12:21:57,031 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-07-22 12:21:57,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1726 states and 8958 transitions. [2022-07-22 12:21:57,050 INFO L131 ngComponentsAnalysis]: Automaton has 340 accepting balls. 461 [2022-07-22 12:21:57,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:21:57,050 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:21:57,052 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2022-07-22 12:21:57,052 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 12:21:57,052 INFO L748 eck$LassoCheckResult]: Stem: 39046#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 38888#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 37454#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 37456#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 38214#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 38220#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 38544#[L89-4, thread2ENTRY, L41-4]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 38928#[L89-4, L41-4, L51-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 39892#[L89-4, L41-4, L51-4]don't care [2022-07-22 12:21:57,053 INFO L750 eck$LassoCheckResult]: Loop: 39892#[L89-4, L41-4, L51-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 39896#[L89-4, L41-4, L51-4]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 39892#[L89-4, L41-4, L51-4]don't care [2022-07-22 12:21:57,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:57,053 INFO L85 PathProgramCache]: Analyzing trace with hash 124324640, now seen corresponding path program 4 times [2022-07-22 12:21:57,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:57,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679471211] [2022-07-22 12:21:57,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:57,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:57,087 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:57,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:57,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:57,106 INFO L85 PathProgramCache]: Analyzing trace with hash 15999, now seen corresponding path program 2 times [2022-07-22 12:21:57,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:57,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454537260] [2022-07-22 12:21:57,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:57,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:57,116 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:57,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:57,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:57,125 INFO L85 PathProgramCache]: Analyzing trace with hash -783090210, now seen corresponding path program 4 times [2022-07-22 12:21:57,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:57,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710206237] [2022-07-22 12:21:57,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:57,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:57,144 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:57,165 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:57,215 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:57,215 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:57,215 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:57,215 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:57,215 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:21:57,215 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:57,216 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:57,216 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:57,216 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration11_Loop [2022-07-22 12:21:57,216 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:57,216 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:57,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,350 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:57,350 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:21:57,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:57,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:57,352 INFO L229 MonitoredProcess]: Starting monitored process 172 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:57,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2022-07-22 12:21:57,354 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:57,354 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:57,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:57,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:57,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:57,385 INFO L229 MonitoredProcess]: Starting monitored process 173 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:57,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2022-07-22 12:21:57,386 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:21:57,386 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:57,592 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:21:57,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:57,594 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:57,594 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:57,594 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:57,594 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:57,594 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:21:57,594 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:57,594 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:57,595 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:57,595 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration11_Loop [2022-07-22 12:21:57,595 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:57,595 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:57,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:57,770 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:57,770 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:21:57,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:57,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:57,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2022-07-22 12:21:57,775 INFO L229 MonitoredProcess]: Starting monitored process 174 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:57,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2022-07-22 12:21:57,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:57,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:57,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:57,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:57,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:57,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:57,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:57,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:57,785 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:21:57,789 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:21:57,789 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:21:57,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:57,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:57,790 INFO L229 MonitoredProcess]: Starting monitored process 175 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:57,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2022-07-22 12:21:57,791 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:21:57,792 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:21:57,792 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:21:57,792 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork1_~i~0, ~N~0) = -1*thread1Thread1of1ForFork1_~i~0 + 1*~N~0 Supporting invariants [] [2022-07-22 12:21:57,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2022-07-22 12:21:57,814 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:21:57,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:57,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:57,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:57,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:21:57,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:57,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:57,890 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:21:57,890 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1726 states and 8958 transitions. cyclomatic complexity: 7997 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:57,991 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1726 states and 8958 transitions. cyclomatic complexity: 7997. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2636 states and 13484 transitions. Complement of second has 3 states. [2022-07-22 12:21:57,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:57,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:57,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 27 transitions. [2022-07-22 12:21:57,992 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:21:57,992 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:57,992 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:21:58,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:58,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:58,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:58,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:21:58,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:58,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:58,054 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:21:58,054 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1726 states and 8958 transitions. cyclomatic complexity: 7997 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:58,206 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1726 states and 8958 transitions. cyclomatic complexity: 7997. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5346 states and 27021 transitions. Complement of second has 5 states. [2022-07-22 12:21:58,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:58,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:58,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 51 transitions. [2022-07-22 12:21:58,208 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 51 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:21:58,208 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:58,208 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:21:58,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:58,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:58,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:58,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:21:58,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:58,282 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:21:58,282 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1726 states and 8958 transitions. cyclomatic complexity: 7997 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:58,374 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1726 states and 8958 transitions. cyclomatic complexity: 7997. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2527 states and 13421 transitions. Complement of second has 2 states. [2022-07-22 12:21:58,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:58,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:58,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 29 transitions. [2022-07-22 12:21:58,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:21:58,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:58,375 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:21:58,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:58,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:58,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:58,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:21:58,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:58,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:58,442 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:21:58,443 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1726 states and 8958 transitions. cyclomatic complexity: 7997 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:58,624 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1726 states and 8958 transitions. cyclomatic complexity: 7997. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6080 states and 31470 transitions. Complement of second has 7 states. [2022-07-22 12:21:58,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:58,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:58,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-07-22 12:21:58,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 53 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:21:58,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:58,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 53 transitions. Stem has 10 letters. Loop has 2 letters. [2022-07-22 12:21:58,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:58,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 53 transitions. Stem has 8 letters. Loop has 4 letters. [2022-07-22 12:21:58,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:58,627 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6080 states and 31470 transitions. [2022-07-22 12:21:58,813 INFO L131 ngComponentsAnalysis]: Automaton has 553 accepting balls. 1114 [2022-07-22 12:21:58,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Ended with exit code 0 [2022-07-22 12:21:58,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6080 states to 5105 states and 26504 transitions. [2022-07-22 12:21:58,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1935 [2022-07-22 12:21:58,909 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2547 [2022-07-22 12:21:58,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5105 states and 26504 transitions. [2022-07-22 12:21:58,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:21:58,910 INFO L220 hiAutomatonCegarLoop]: Abstraction has 5105 states and 26504 transitions. [2022-07-22 12:21:58,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5105 states and 26504 transitions. [2022-07-22 12:21:59,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5105 to 2465. [2022-07-22 12:21:59,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2465 states, 2465 states have (on average 5.405679513184584) internal successors, (13325), 2464 states have internal predecessors, (13325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:59,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 13325 transitions. [2022-07-22 12:21:59,048 INFO L242 hiAutomatonCegarLoop]: Abstraction has 2465 states and 13325 transitions. [2022-07-22 12:21:59,048 INFO L425 stractBuchiCegarLoop]: Abstraction has 2465 states and 13325 transitions. [2022-07-22 12:21:59,048 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-07-22 12:21:59,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2465 states and 13325 transitions. [2022-07-22 12:21:59,119 INFO L131 ngComponentsAnalysis]: Automaton has 377 accepting balls. 581 [2022-07-22 12:21:59,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:21:59,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:21:59,120 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2022-07-22 12:21:59,120 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [2] [2022-07-22 12:21:59,121 INFO L748 eck$LassoCheckResult]: Stem: 59315#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 59145#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 57641#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 57643#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 58435#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 58439#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 58441#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 58805#[L89-4, thread2ENTRY, L41-4]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 59189#[L89-4, L41-4, L51-4]don't care [2022-07-22 12:21:59,122 INFO L750 eck$LassoCheckResult]: Loop: 59189#[L89-4, L41-4, L51-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 60427#[L89-4, L41-4, L51-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 59189#[L89-4, L41-4, L51-4]don't care [2022-07-22 12:21:59,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:59,122 INFO L85 PathProgramCache]: Analyzing trace with hash 124176830, now seen corresponding path program 5 times [2022-07-22 12:21:59,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:59,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521678531] [2022-07-22 12:21:59,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:59,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:59,134 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:59,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:59,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:59,144 INFO L85 PathProgramCache]: Analyzing trace with hash 16001, now seen corresponding path program 6 times [2022-07-22 12:21:59,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:59,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131634403] [2022-07-22 12:21:59,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:59,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:59,149 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:59,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:59,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:59,153 INFO L85 PathProgramCache]: Analyzing trace with hash -925135618, now seen corresponding path program 6 times [2022-07-22 12:21:59,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:21:59,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72640356] [2022-07-22 12:21:59,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:21:59,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:21:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:59,164 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:21:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:21:59,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:21:59,200 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:59,200 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:59,200 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:59,201 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:59,201 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:21:59,201 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:59,201 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:59,201 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:59,201 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration12_Loop [2022-07-22 12:21:59,201 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:59,201 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:59,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,284 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:59,284 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:21:59,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:59,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:59,285 INFO L229 MonitoredProcess]: Starting monitored process 176 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:59,292 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:21:59,293 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:59,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2022-07-22 12:21:59,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:59,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:59,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:59,346 INFO L229 MonitoredProcess]: Starting monitored process 177 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:59,348 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:21:59,348 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:21:59,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2022-07-22 12:21:59,648 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:21:59,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Forceful destruction successful, exit code 0 [2022-07-22 12:21:59,652 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:21:59,652 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:21:59,652 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:21:59,652 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:21:59,652 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:21:59,652 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:59,652 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:21:59,652 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:21:59,652 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration12_Loop [2022-07-22 12:21:59,652 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:21:59,652 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:21:59,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:21:59,755 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:21:59,755 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:21:59,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:59,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:59,757 INFO L229 MonitoredProcess]: Starting monitored process 178 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:59,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2022-07-22 12:21:59,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:21:59,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:21:59,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:21:59,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:21:59,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:21:59,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:21:59,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:21:59,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:21:59,768 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:21:59,771 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:21:59,771 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:21:59,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:21:59,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:21:59,772 INFO L229 MonitoredProcess]: Starting monitored process 179 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:21:59,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2022-07-22 12:21:59,773 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:21:59,774 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:21:59,774 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:21:59,774 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork1_~i~0, ~N~0) = -1*thread1Thread1of1ForFork1_~i~0 + 1*~N~0 Supporting invariants [] [2022-07-22 12:21:59,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2022-07-22 12:21:59,796 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:21:59,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:21:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:59,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:21:59,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:21:59,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 12:21:59,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:21:59,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:21:59,858 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:21:59,858 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2465 states and 13325 transitions. cyclomatic complexity: 11768 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:59,952 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2465 states and 13325 transitions. cyclomatic complexity: 11768. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3522 states and 19109 transitions. Complement of second has 3 states. [2022-07-22 12:21:59,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:21:59,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:21:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 22 transitions. [2022-07-22 12:21:59,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:21:59,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:59,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 10 letters. Loop has 2 letters. [2022-07-22 12:21:59,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:59,954 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 8 letters. Loop has 4 letters. [2022-07-22 12:21:59,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:21:59,954 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3522 states and 19109 transitions. [2022-07-22 12:21:59,999 INFO L131 ngComponentsAnalysis]: Automaton has 377 accepting balls. 581 [2022-07-22 12:22:00,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3522 states to 3519 states and 19100 transitions. [2022-07-22 12:22:00,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1381 [2022-07-22 12:22:00,058 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1622 [2022-07-22 12:22:00,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3519 states and 19100 transitions. [2022-07-22 12:22:00,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:00,058 INFO L220 hiAutomatonCegarLoop]: Abstraction has 3519 states and 19100 transitions. [2022-07-22 12:22:00,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3519 states and 19100 transitions. [2022-07-22 12:22:00,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3519 to 2667. [2022-07-22 12:22:00,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2667 states, 2667 states have (on average 5.472065991751031) internal successors, (14594), 2666 states have internal predecessors, (14594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:00,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 14594 transitions. [2022-07-22 12:22:00,178 INFO L242 hiAutomatonCegarLoop]: Abstraction has 2667 states and 14594 transitions. [2022-07-22 12:22:00,178 INFO L425 stractBuchiCegarLoop]: Abstraction has 2667 states and 14594 transitions. [2022-07-22 12:22:00,178 INFO L332 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-07-22 12:22:00,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2667 states and 14594 transitions. [2022-07-22 12:22:00,205 INFO L131 ngComponentsAnalysis]: Automaton has 377 accepting balls. 581 [2022-07-22 12:22:00,206 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:00,206 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:00,207 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:00,207 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:22:00,208 INFO L748 eck$LassoCheckResult]: Stem: 68064#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 67854#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 66146#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 66148#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 67018#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 68770#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 68508#[L89-4, thread2ENTRY, L41-4]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 68768#[L89-4, L41-4, L51-4]don't care [461] L41-4-->thread1EXIT: Formula: (and (= |v_thread1Thread1of1ForFork1_#res.base_9| 0) (= |v_thread1Thread1of1ForFork1_#res.offset_9| 0) (not (< v_thread1Thread1of1ForFork1_~i~0_21 v_~N~0_41))) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_21, ~N~0=v_~N~0_41} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_21, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_9|, ~N~0=v_~N~0_41} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#res.offset] 67412#[L89-4, thread1EXIT, L51-4]don't care [2022-07-22 12:22:00,208 INFO L750 eck$LassoCheckResult]: Loop: 67412#[L89-4, thread1EXIT, L51-4]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 67412#[L89-4, thread1EXIT, L51-4]don't care [2022-07-22 12:22:00,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:00,209 INFO L85 PathProgramCache]: Analyzing trace with hash 124324631, now seen corresponding path program 1 times [2022-07-22 12:22:00,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:00,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760907798] [2022-07-22 12:22:00,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:00,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:00,226 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:00,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:00,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:00,239 INFO L85 PathProgramCache]: Analyzing trace with hash 499, now seen corresponding path program 4 times [2022-07-22 12:22:00,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:00,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857886077] [2022-07-22 12:22:00,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:00,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:00,244 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:00,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:00,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:00,251 INFO L85 PathProgramCache]: Analyzing trace with hash -440903267, now seen corresponding path program 1 times [2022-07-22 12:22:00,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:00,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647916722] [2022-07-22 12:22:00,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:00,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:00,268 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:00,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:00,392 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:00,392 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:00,392 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:00,392 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:00,392 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:00,392 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:00,392 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:00,392 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:00,393 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration13_Loop [2022-07-22 12:22:00,393 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:00,393 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:00,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:00,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:00,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:00,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:00,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:00,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:00,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:00,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:00,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:00,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:00,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:00,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:00,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:00,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:00,512 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:00,513 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:00,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:00,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:00,514 INFO L229 MonitoredProcess]: Starting monitored process 180 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:00,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2022-07-22 12:22:00,515 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:00,515 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:00,523 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:00,523 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post3#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:00,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:00,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:00,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:00,546 INFO L229 MonitoredProcess]: Starting monitored process 181 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:00,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2022-07-22 12:22:00,547 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:00,547 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:00,560 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:00,560 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_25=-1} Honda state: {v_rep#funAddr~thread4.base_25=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:00,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Ended with exit code 0 [2022-07-22 12:22:00,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:00,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:00,583 INFO L229 MonitoredProcess]: Starting monitored process 182 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:00,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2022-07-22 12:22:00,584 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:00,584 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:00,597 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:00,598 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Honda state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:00,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Ended with exit code 0 [2022-07-22 12:22:00,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:00,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:00,620 INFO L229 MonitoredProcess]: Starting monitored process 183 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:00,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2022-07-22 12:22:00,621 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:00,621 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:00,634 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:00,634 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_25=-1} Honda state: {v_rep#funAddr~thread1.base_25=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:00,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Ended with exit code 0 [2022-07-22 12:22:00,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:00,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:00,657 INFO L229 MonitoredProcess]: Starting monitored process 184 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:00,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2022-07-22 12:22:00,658 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:00,658 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:00,670 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:00,671 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_25=-1} Honda state: {v_rep#funAddr~thread3.base_25=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:00,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:00,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:00,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:00,694 INFO L229 MonitoredProcess]: Starting monitored process 185 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:00,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2022-07-22 12:22:00,695 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:00,695 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:00,709 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:00,709 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_25=0} Honda state: {v_rep#funAddr~thread1.offset_25=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:00,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2022-07-22 12:22:00,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:00,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:00,732 INFO L229 MonitoredProcess]: Starting monitored process 186 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:00,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2022-07-22 12:22:00,734 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:00,734 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:00,741 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:00,742 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post4#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:00,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Ended with exit code 0 [2022-07-22 12:22:00,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:00,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:00,767 INFO L229 MonitoredProcess]: Starting monitored process 187 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:00,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:00,769 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:00,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2022-07-22 12:22:00,785 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:00,786 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_25=-1} Honda state: {v_rep#funAddr~thread2.base_25=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:00,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:00,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:00,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:00,811 INFO L229 MonitoredProcess]: Starting monitored process 188 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:00,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2022-07-22 12:22:00,812 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:00,812 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:00,825 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:00,826 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_25=1} Honda state: {v_rep#funAddr~thread2.offset_25=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:00,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:00,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:00,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:00,850 INFO L229 MonitoredProcess]: Starting monitored process 189 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:00,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2022-07-22 12:22:00,851 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:00,851 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:00,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2022-07-22 12:22:00,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:00,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:00,884 INFO L229 MonitoredProcess]: Starting monitored process 190 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:00,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2022-07-22 12:22:00,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:00,885 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:01,030 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:01,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Ended with exit code 0 [2022-07-22 12:22:01,033 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:01,033 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:01,033 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:01,033 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:01,033 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:01,033 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:01,033 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:01,033 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:01,033 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration13_Loop [2022-07-22 12:22:01,033 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:01,033 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:01,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:01,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:01,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:01,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:01,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:01,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:01,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:01,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:01,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:01,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:01,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:01,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:01,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:01,163 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:01,164 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:01,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:01,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:01,166 INFO L229 MonitoredProcess]: Starting monitored process 191 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:01,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:01,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:01,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:01,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:01,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:01,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:01,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:01,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:01,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2022-07-22 12:22:01,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:01,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:01,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:01,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:01,225 INFO L229 MonitoredProcess]: Starting monitored process 192 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:01,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2022-07-22 12:22:01,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:01,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:01,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:01,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:01,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:01,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:01,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:01,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:01,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2022-07-22 12:22:01,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:01,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:01,265 INFO L229 MonitoredProcess]: Starting monitored process 193 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:01,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2022-07-22 12:22:01,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:01,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:01,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:01,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:01,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:01,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:01,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:01,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:01,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:01,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:01,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:01,304 INFO L229 MonitoredProcess]: Starting monitored process 194 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:01,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2022-07-22 12:22:01,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:01,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:01,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:01,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:01,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:01,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:01,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:01,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:01,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2022-07-22 12:22:01,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:01,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:01,346 INFO L229 MonitoredProcess]: Starting monitored process 195 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:01,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2022-07-22 12:22:01,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:01,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:01,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:01,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:01,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:01,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:01,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:01,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:01,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:01,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Ended with exit code 0 [2022-07-22 12:22:01,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:01,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:01,381 INFO L229 MonitoredProcess]: Starting monitored process 196 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:01,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2022-07-22 12:22:01,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:01,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:01,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:01,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:01,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:01,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:01,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:01,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:01,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2022-07-22 12:22:01,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:01,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:01,417 INFO L229 MonitoredProcess]: Starting monitored process 197 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:01,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2022-07-22 12:22:01,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:01,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:01,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:01,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:01,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:01,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:01,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:01,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:01,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:01,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:01,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:01,454 INFO L229 MonitoredProcess]: Starting monitored process 198 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:01,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2022-07-22 12:22:01,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:01,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:01,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:01,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:01,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:01,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:01,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:01,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:01,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:01,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2022-07-22 12:22:01,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:01,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:01,489 INFO L229 MonitoredProcess]: Starting monitored process 199 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:01,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2022-07-22 12:22:01,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:01,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:01,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:01,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:01,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:01,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:01,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:01,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:01,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:01,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:01,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:01,526 INFO L229 MonitoredProcess]: Starting monitored process 200 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:01,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2022-07-22 12:22:01,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:01,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:01,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:01,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:01,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:01,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:01,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:01,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:01,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:01,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:01,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:01,564 INFO L229 MonitoredProcess]: Starting monitored process 201 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:01,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2022-07-22 12:22:01,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:01,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:01,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:01,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:01,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:01,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:01,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:01,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:01,576 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:01,581 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:22:01,581 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:22:01,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:01,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:01,583 INFO L229 MonitoredProcess]: Starting monitored process 202 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:01,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2022-07-22 12:22:01,584 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:01,584 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:01,584 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:01,584 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread2Thread1of1ForFork3_~i~1#1) = 1*~N~0 - 1*thread2Thread1of1ForFork3_~i~1#1 Supporting invariants [] [2022-07-22 12:22:01,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:01,608 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:01,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:01,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:01,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:01,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:22:01,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:01,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:01,666 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:01,666 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2667 states and 14594 transitions. cyclomatic complexity: 12859 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:01,753 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2667 states and 14594 transitions. cyclomatic complexity: 12859. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3284 states and 17117 transitions. Complement of second has 3 states. [2022-07-22 12:22:01,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:01,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 22 transitions. [2022-07-22 12:22:01,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:22:01,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:01,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:22:01,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:01,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:22:01,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:01,755 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3284 states and 17117 transitions. [2022-07-22 12:22:01,797 INFO L131 ngComponentsAnalysis]: Automaton has 376 accepting balls. 580 [2022-07-22 12:22:01,842 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3284 states to 3284 states and 17117 transitions. [2022-07-22 12:22:01,842 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1476 [2022-07-22 12:22:01,849 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1642 [2022-07-22 12:22:01,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3284 states and 17117 transitions. [2022-07-22 12:22:01,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:01,850 INFO L220 hiAutomatonCegarLoop]: Abstraction has 3284 states and 17117 transitions. [2022-07-22 12:22:01,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3284 states and 17117 transitions. [2022-07-22 12:22:01,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3284 to 2762. [2022-07-22 12:22:01,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2762 states have (on average 5.418899348298335) internal successors, (14967), 2761 states have internal predecessors, (14967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:02,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 14967 transitions. [2022-07-22 12:22:02,063 INFO L242 hiAutomatonCegarLoop]: Abstraction has 2762 states and 14967 transitions. [2022-07-22 12:22:02,063 INFO L425 stractBuchiCegarLoop]: Abstraction has 2762 states and 14967 transitions. [2022-07-22 12:22:02,063 INFO L332 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-07-22 12:22:02,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2762 states and 14967 transitions. [2022-07-22 12:22:02,106 INFO L131 ngComponentsAnalysis]: Automaton has 376 accepting balls. 580 [2022-07-22 12:22:02,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:02,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:02,107 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:02,107 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:22:02,109 INFO L748 eck$LassoCheckResult]: Stem: 76709#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 76477#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 74805#[thread1ENTRY, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 74809#[L89-3, thread1ENTRY]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 76321#[L89-4, thread2ENTRY, thread1ENTRY]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 76363#[thread2ENTRY, L90-3, thread1ENTRY]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 75405#[thread2ENTRY, thread3ENTRY, L90-4, thread1ENTRY]don't care [354] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 75407#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [477] L90-4-->L91-3: Formula: (and (= |v_#pthreadsForks_55| (+ |v_#pthreadsForks_56| 1)) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (select |v_#length_77| |v_ULTIMATE.start_main_~#t4~0#1.base_29|)) (= |v_#memory_int_67| (store |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29| (store (select |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) |v_ULTIMATE.start_main_~#t4~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre16#1_17|))) (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (= |v_ULTIMATE.start_main_#t~pre16#1_17| |v_#pthreadsForks_56|) (= (select |v_#valid_122| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_56|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_68|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|} OutVars{#pthreadsForks=|v_#pthreadsForks_55|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_19|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_67|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_17|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_9|} AuxVars[] AssignedVars[#pthreadsForks, ULTIMATE.start_main_#t~pre14#1, #memory_int, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_#t~nondet15#1] 74969#[L91-3, thread2ENTRY, thread1ENTRY, L62-4]don't care [2022-07-22 12:22:02,110 INFO L750 eck$LassoCheckResult]: Loop: 74969#[L91-3, thread2ENTRY, thread1ENTRY, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 74969#[L91-3, thread2ENTRY, thread1ENTRY, L62-4]don't care [2022-07-22 12:22:02,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:02,110 INFO L85 PathProgramCache]: Analyzing trace with hash -126701484, now seen corresponding path program 1 times [2022-07-22 12:22:02,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:02,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579248354] [2022-07-22 12:22:02,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:02,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:02,127 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:02,140 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:02,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:02,141 INFO L85 PathProgramCache]: Analyzing trace with hash 507, now seen corresponding path program 2 times [2022-07-22 12:22:02,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:02,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940495525] [2022-07-22 12:22:02,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:02,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:02,146 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:02,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:02,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:02,150 INFO L85 PathProgramCache]: Analyzing trace with hash 367221768, now seen corresponding path program 1 times [2022-07-22 12:22:02,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:02,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404020762] [2022-07-22 12:22:02,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:02,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:02,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:02,170 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:02,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:02,199 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:02,199 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:02,199 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:02,199 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:02,199 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:02,199 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:02,199 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:02,199 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:02,200 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration14_Loop [2022-07-22 12:22:02,200 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:02,200 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:02,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,285 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:02,285 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:02,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:02,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:02,287 INFO L229 MonitoredProcess]: Starting monitored process 203 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:02,297 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:02,297 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:02,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2022-07-22 12:22:02,316 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:02,316 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_27=3} Honda state: {v_rep#funAddr~thread4.offset_27=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:02,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:02,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:02,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:02,350 INFO L229 MonitoredProcess]: Starting monitored process 204 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:02,352 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:02,352 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:02,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2022-07-22 12:22:02,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:02,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:02,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:02,404 INFO L229 MonitoredProcess]: Starting monitored process 205 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:02,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:02,406 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:02,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2022-07-22 12:22:02,432 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:02,433 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter2~0=0} Honda state: {~counter2~0=0} Generalized eigenvectors: [{~counter2~0=-2}, {~counter2~0=4}, {~counter2~0=-1}] Lambdas: [1, 1, 1] Nus: [0, 0] [2022-07-22 12:22:02,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:02,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:02,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:02,455 INFO L229 MonitoredProcess]: Starting monitored process 206 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:02,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2022-07-22 12:22:02,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:02,456 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:02,469 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:02,470 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_27=-1} Honda state: {v_rep#funAddr~thread4.base_27=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:02,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:02,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:02,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:02,493 INFO L229 MonitoredProcess]: Starting monitored process 207 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:02,503 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:02,503 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:02,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2022-07-22 12:22:02,517 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:02,517 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_27=2} Honda state: {v_rep#funAddr~thread3.offset_27=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:02,538 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2022-07-22 12:22:02,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:02,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:02,539 INFO L229 MonitoredProcess]: Starting monitored process 208 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:02,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2022-07-22 12:22:02,540 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:02,541 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:02,554 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:02,554 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_27=0} Honda state: {v_rep#funAddr~thread1.offset_27=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:02,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:02,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:02,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:02,576 INFO L229 MonitoredProcess]: Starting monitored process 209 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:02,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2022-07-22 12:22:02,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:02,577 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:02,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:02,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:02,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:02,608 INFO L229 MonitoredProcess]: Starting monitored process 210 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:02,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2022-07-22 12:22:02,616 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:02,616 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:02,759 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:02,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:02,762 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:02,762 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:02,762 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:02,762 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:02,762 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:02,762 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:02,762 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:02,762 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:02,762 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration14_Loop [2022-07-22 12:22:02,763 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:02,763 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:02,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:02,871 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:02,872 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:02,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:02,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:02,873 INFO L229 MonitoredProcess]: Starting monitored process 211 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:02,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:02,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:02,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:02,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:02,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:02,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:02,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:02,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2022-07-22 12:22:02,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:02,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:02,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:02,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:02,946 INFO L229 MonitoredProcess]: Starting monitored process 212 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:02,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:02,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:02,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:02,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:02,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:02,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:02,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:02,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:02,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2022-07-22 12:22:02,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:03,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:03,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:03,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:03,005 INFO L229 MonitoredProcess]: Starting monitored process 213 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:03,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:03,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:03,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:03,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:03,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:03,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:03,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:03,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2022-07-22 12:22:03,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:03,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:03,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:03,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:03,062 INFO L229 MonitoredProcess]: Starting monitored process 214 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:03,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2022-07-22 12:22:03,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:03,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:03,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:03,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:03,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:03,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:03,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:03,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:03,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Ended with exit code 0 [2022-07-22 12:22:03,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:03,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:03,099 INFO L229 MonitoredProcess]: Starting monitored process 215 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:03,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2022-07-22 12:22:03,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:03,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:03,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:03,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:03,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:03,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:03,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:03,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:03,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Ended with exit code 0 [2022-07-22 12:22:03,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:03,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:03,134 INFO L229 MonitoredProcess]: Starting monitored process 216 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:03,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2022-07-22 12:22:03,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:03,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:03,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:03,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:03,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:03,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:03,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:03,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:03,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:03,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:03,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:03,169 INFO L229 MonitoredProcess]: Starting monitored process 217 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:03,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2022-07-22 12:22:03,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:03,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:03,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:03,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:03,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:03,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:03,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:03,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:03,179 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:03,182 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:22:03,182 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:22:03,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:03,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:03,183 INFO L229 MonitoredProcess]: Starting monitored process 218 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:03,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Waiting until timeout for monitored process [2022-07-22 12:22:03,185 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:03,185 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:03,185 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:03,185 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork0_~i~2, ~N~0) = -1*thread3Thread1of1ForFork0_~i~2 + 1*~N~0 Supporting invariants [] [2022-07-22 12:22:03,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:03,209 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:03,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:03,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:03,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:03,258 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:22:03,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:03,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:03,259 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:03,259 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2762 states and 14967 transitions. cyclomatic complexity: 13144 Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:03,335 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2762 states and 14967 transitions. cyclomatic complexity: 13144. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3012 states and 16159 transitions. Complement of second has 3 states. [2022-07-22 12:22:03,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:03,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:03,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 17 transitions. [2022-07-22 12:22:03,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 17 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:22:03,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:03,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 17 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:22:03,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:03,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 17 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:22:03,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:03,340 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3012 states and 16159 transitions. [2022-07-22 12:22:03,388 INFO L131 ngComponentsAnalysis]: Automaton has 375 accepting balls. 579 [2022-07-22 12:22:03,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3012 states to 3012 states and 16159 transitions. [2022-07-22 12:22:03,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1433 [2022-07-22 12:22:03,438 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1513 [2022-07-22 12:22:03,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3012 states and 16159 transitions. [2022-07-22 12:22:03,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:03,438 INFO L220 hiAutomatonCegarLoop]: Abstraction has 3012 states and 16159 transitions. [2022-07-22 12:22:03,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3012 states and 16159 transitions. [2022-07-22 12:22:03,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3012 to 2799. [2022-07-22 12:22:03,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2799 states, 2799 states have (on average 5.414076455877099) internal successors, (15154), 2798 states have internal predecessors, (15154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:03,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 15154 transitions. [2022-07-22 12:22:03,680 INFO L242 hiAutomatonCegarLoop]: Abstraction has 2799 states and 15154 transitions. [2022-07-22 12:22:03,680 INFO L425 stractBuchiCegarLoop]: Abstraction has 2799 states and 15154 transitions. [2022-07-22 12:22:03,680 INFO L332 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-07-22 12:22:03,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2799 states and 15154 transitions. [2022-07-22 12:22:03,705 INFO L131 ngComponentsAnalysis]: Automaton has 375 accepting balls. 579 [2022-07-22 12:22:03,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:03,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:03,707 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:03,707 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [2] [2022-07-22 12:22:03,707 INFO L748 eck$LassoCheckResult]: Stem: 85394#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 85168#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 83394#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 83396#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 84258#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 84264#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 84266#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 84728#[L89-4, thread2ENTRY, L41-4]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 84936#[L41-4, thread2ENTRY, L90-3]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 84094#[thread2ENTRY, thread3ENTRY, L90-4, L41-4]don't care [2022-07-22 12:22:03,708 INFO L750 eck$LassoCheckResult]: Loop: 84094#[thread2ENTRY, thread3ENTRY, L90-4, L41-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 84090#[thread2ENTRY, thread3ENTRY, L90-4, L41-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 84094#[thread2ENTRY, thread3ENTRY, L90-4, L41-4]don't care [2022-07-22 12:22:03,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:03,708 INFO L85 PathProgramCache]: Analyzing trace with hash -445481191, now seen corresponding path program 1 times [2022-07-22 12:22:03,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:03,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304617849] [2022-07-22 12:22:03,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:03,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:03,730 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:03,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:03,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:03,748 INFO L85 PathProgramCache]: Analyzing trace with hash 16001, now seen corresponding path program 7 times [2022-07-22 12:22:03,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:03,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13687879] [2022-07-22 12:22:03,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:03,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:03,752 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:03,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:03,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:03,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1389320089, now seen corresponding path program 2 times [2022-07-22 12:22:03,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:03,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452519946] [2022-07-22 12:22:03,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:03,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:03,771 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:03,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:03,805 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:03,831 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:03,831 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:03,832 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:03,832 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:03,832 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:03,832 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:03,832 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:03,832 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:03,833 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration15_Loop [2022-07-22 12:22:03,833 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:03,833 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:03,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:03,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:03,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:03,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:03,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:03,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:03,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:03,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:03,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:03,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:03,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:03,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:03,923 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:03,923 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:03,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:03,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:03,924 INFO L229 MonitoredProcess]: Starting monitored process 219 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:03,933 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:03,933 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:03,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2022-07-22 12:22:03,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:03,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:03,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:03,968 INFO L229 MonitoredProcess]: Starting monitored process 220 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:03,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2022-07-22 12:22:03,969 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:03,969 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:04,266 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:04,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Ended with exit code 0 [2022-07-22 12:22:04,269 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:04,269 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:04,269 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:04,269 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:04,269 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:04,269 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:04,269 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:04,269 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:04,269 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration15_Loop [2022-07-22 12:22:04,270 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:04,270 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:04,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:04,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:04,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:04,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:04,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:04,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:04,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:04,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:04,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:04,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:04,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:04,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:04,381 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:04,381 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:04,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:04,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:04,383 INFO L229 MonitoredProcess]: Starting monitored process 221 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:04,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2022-07-22 12:22:04,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:04,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:04,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:04,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:04,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:04,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:04,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:04,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:04,393 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:04,395 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:22:04,395 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:22:04,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:04,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:04,396 INFO L229 MonitoredProcess]: Starting monitored process 222 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:04,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2022-07-22 12:22:04,401 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:04,401 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:04,401 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:04,402 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread1Thread1of1ForFork1_~i~0) = 1*~N~0 - 1*thread1Thread1of1ForFork1_~i~0 Supporting invariants [] [2022-07-22 12:22:04,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Ended with exit code 0 [2022-07-22 12:22:04,424 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:04,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:04,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:04,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:04,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 12:22:04,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:04,487 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:22:04,488 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2799 states and 15154 transitions. cyclomatic complexity: 13301 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:04,610 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2799 states and 15154 transitions. cyclomatic complexity: 13301. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2884 states and 15576 transitions. Complement of second has 3 states. [2022-07-22 12:22:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:04,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:04,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 13 transitions. [2022-07-22 12:22:04,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 12:22:04,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:04,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-22 12:22:04,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:04,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2022-07-22 12:22:04,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:04,613 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2884 states and 15576 transitions. [2022-07-22 12:22:04,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:04,651 INFO L131 ngComponentsAnalysis]: Automaton has 373 accepting balls. 575 [2022-07-22 12:22:04,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2884 states to 2884 states and 15576 transitions. [2022-07-22 12:22:04,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1400 [2022-07-22 12:22:04,696 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1404 [2022-07-22 12:22:04,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2884 states and 15576 transitions. [2022-07-22 12:22:04,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:04,697 INFO L220 hiAutomatonCegarLoop]: Abstraction has 2884 states and 15576 transitions. [2022-07-22 12:22:04,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2884 states and 15576 transitions. [2022-07-22 12:22:04,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2884 to 2813. [2022-07-22 12:22:04,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 2813 states have (on average 5.410949164592961) internal successors, (15221), 2812 states have internal predecessors, (15221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:04,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 15221 transitions. [2022-07-22 12:22:04,795 INFO L242 hiAutomatonCegarLoop]: Abstraction has 2813 states and 15221 transitions. [2022-07-22 12:22:04,795 INFO L425 stractBuchiCegarLoop]: Abstraction has 2813 states and 15221 transitions. [2022-07-22 12:22:04,795 INFO L332 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-07-22 12:22:04,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2813 states and 15221 transitions. [2022-07-22 12:22:04,824 INFO L131 ngComponentsAnalysis]: Automaton has 373 accepting balls. 575 [2022-07-22 12:22:04,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:04,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:04,825 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:04,825 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:22:04,826 INFO L748 eck$LassoCheckResult]: Stem: 93902#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 93662#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 91918#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 91920#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 92786#[L41-4, L88-4]don't care [461] L41-4-->thread1EXIT: Formula: (and (= |v_thread1Thread1of1ForFork1_#res.base_9| 0) (= |v_thread1Thread1of1ForFork1_#res.offset_9| 0) (not (< v_thread1Thread1of1ForFork1_~i~0_21 v_~N~0_41))) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_21, ~N~0=v_~N~0_41} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_21, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_9|, ~N~0=v_~N~0_41} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#res.offset] 95014#[thread1EXIT, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 95012#[L89-3, thread1EXIT]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 96318#[L89-4, thread2ENTRY, thread1EXIT]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 95450#[L89-4, thread1EXIT, L51-4]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 96304#[L51-4, thread1EXIT, L90-3]don't care [2022-07-22 12:22:04,826 INFO L750 eck$LassoCheckResult]: Loop: 96304#[L51-4, thread1EXIT, L90-3]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 96304#[L51-4, thread1EXIT, L90-3]don't care [2022-07-22 12:22:04,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:04,827 INFO L85 PathProgramCache]: Analyzing trace with hash -453796782, now seen corresponding path program 1 times [2022-07-22 12:22:04,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:04,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071022037] [2022-07-22 12:22:04,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:04,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:04,840 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:04,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:04,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:04,852 INFO L85 PathProgramCache]: Analyzing trace with hash 499, now seen corresponding path program 5 times [2022-07-22 12:22:04,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:04,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341860788] [2022-07-22 12:22:04,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:04,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:04,857 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:04,860 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:04,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:04,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1182797886, now seen corresponding path program 1 times [2022-07-22 12:22:04,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:04,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966543325] [2022-07-22 12:22:04,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:04,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:04,874 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:04,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:04,982 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:04,983 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:04,983 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:04,983 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:04,983 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:04,983 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:04,983 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:04,983 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:04,983 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration16_Loop [2022-07-22 12:22:04,983 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:04,983 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:04,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:04,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:04,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:04,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:04,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,105 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:05,105 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:05,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:05,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:05,106 INFO L229 MonitoredProcess]: Starting monitored process 223 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:05,110 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:05,110 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:05,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2022-07-22 12:22:05,131 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:05,131 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_31=0} Honda state: {v_rep#funAddr~thread1.offset_31=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:05,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:05,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:05,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:05,168 INFO L229 MonitoredProcess]: Starting monitored process 224 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:05,170 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:05,170 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:05,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2022-07-22 12:22:05,190 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:05,190 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Honda state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:05,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:05,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:05,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:05,226 INFO L229 MonitoredProcess]: Starting monitored process 225 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:05,228 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:05,228 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:05,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2022-07-22 12:22:05,246 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:05,246 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post4#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:05,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Ended with exit code 0 [2022-07-22 12:22:05,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:05,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:05,269 INFO L229 MonitoredProcess]: Starting monitored process 226 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:05,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2022-07-22 12:22:05,272 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:05,272 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:05,284 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:05,285 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_31=-1} Honda state: {v_rep#funAddr~thread2.base_31=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:05,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Ended with exit code 0 [2022-07-22 12:22:05,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:05,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:05,307 INFO L229 MonitoredProcess]: Starting monitored process 227 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:05,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Waiting until timeout for monitored process [2022-07-22 12:22:05,308 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:05,308 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:05,321 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:05,321 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_31=-1} Honda state: {v_rep#funAddr~thread1.base_31=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:05,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:05,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:05,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:05,343 INFO L229 MonitoredProcess]: Starting monitored process 228 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:05,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Waiting until timeout for monitored process [2022-07-22 12:22:05,344 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:05,345 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:05,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Ended with exit code 0 [2022-07-22 12:22:05,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:05,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:05,375 INFO L229 MonitoredProcess]: Starting monitored process 229 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:05,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2022-07-22 12:22:05,376 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:05,376 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:05,409 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:05,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:05,411 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:05,412 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:05,412 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:05,412 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:05,412 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:05,412 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:05,412 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:05,412 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:05,412 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration16_Loop [2022-07-22 12:22:05,412 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:05,412 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:05,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:05,540 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:05,540 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:05,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:05,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:05,542 INFO L229 MonitoredProcess]: Starting monitored process 230 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:05,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:05,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:05,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:05,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:05,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:05,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:05,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:05,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:05,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Waiting until timeout for monitored process [2022-07-22 12:22:05,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:05,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:05,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:05,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:05,594 INFO L229 MonitoredProcess]: Starting monitored process 231 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:05,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Waiting until timeout for monitored process [2022-07-22 12:22:05,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:05,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:05,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:05,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:05,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:05,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:05,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:05,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:05,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:05,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Ended with exit code 0 [2022-07-22 12:22:05,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:05,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:05,626 INFO L229 MonitoredProcess]: Starting monitored process 232 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:05,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Waiting until timeout for monitored process [2022-07-22 12:22:05,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:05,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:05,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:05,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:05,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:05,635 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:05,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:05,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:05,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:05,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:05,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:05,661 INFO L229 MonitoredProcess]: Starting monitored process 233 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:05,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Waiting until timeout for monitored process [2022-07-22 12:22:05,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:05,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:05,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:05,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:05,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:05,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:05,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:05,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:05,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:05,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:05,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:05,699 INFO L229 MonitoredProcess]: Starting monitored process 234 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:05,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Waiting until timeout for monitored process [2022-07-22 12:22:05,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:05,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:05,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:05,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:05,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:05,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:05,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:05,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:05,709 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:05,711 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-07-22 12:22:05,711 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:22:05,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:05,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:05,712 INFO L229 MonitoredProcess]: Starting monitored process 235 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:05,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Waiting until timeout for monitored process [2022-07-22 12:22:05,713 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:05,713 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:05,713 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:05,713 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter1~0) = 1*~counter1~0 Supporting invariants [] [2022-07-22 12:22:05,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:05,735 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:05,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:05,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:05,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:05,791 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:22:05,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:05,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:05,791 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:05,792 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2813 states and 15221 transitions. cyclomatic complexity: 13355 Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:05,837 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2813 states and 15221 transitions. cyclomatic complexity: 13355. Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2870 states and 15435 transitions. Complement of second has 3 states. [2022-07-22 12:22:05,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:05,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:05,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:22:05,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:22:05,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:05,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-22 12:22:05,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:05,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 12:22:05,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:05,839 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2870 states and 15435 transitions. [2022-07-22 12:22:05,879 INFO L131 ngComponentsAnalysis]: Automaton has 371 accepting balls. 573 [2022-07-22 12:22:05,914 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2870 states to 2870 states and 15435 transitions. [2022-07-22 12:22:05,914 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1405 [2022-07-22 12:22:05,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1408 [2022-07-22 12:22:05,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2870 states and 15435 transitions. [2022-07-22 12:22:05,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:05,921 INFO L220 hiAutomatonCegarLoop]: Abstraction has 2870 states and 15435 transitions. [2022-07-22 12:22:05,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2870 states and 15435 transitions. [2022-07-22 12:22:06,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2870 to 2834. [2022-07-22 12:22:06,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2834 states, 2834 states have (on average 5.398729710656316) internal successors, (15300), 2833 states have internal predecessors, (15300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:06,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:06,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2834 states and 15300 transitions. [2022-07-22 12:22:06,085 INFO L242 hiAutomatonCegarLoop]: Abstraction has 2834 states and 15300 transitions. [2022-07-22 12:22:06,085 INFO L425 stractBuchiCegarLoop]: Abstraction has 2834 states and 15300 transitions. [2022-07-22 12:22:06,085 INFO L332 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2022-07-22 12:22:06,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2834 states and 15300 transitions. [2022-07-22 12:22:06,128 INFO L131 ngComponentsAnalysis]: Automaton has 371 accepting balls. 573 [2022-07-22 12:22:06,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:06,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:06,129 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:06,129 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [2] [2022-07-22 12:22:06,130 INFO L748 eck$LassoCheckResult]: Stem: 102468#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 102232#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 100464#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 100466#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 101324#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 103538#[L89-4, thread2ENTRY, L41-4]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 103536#[L89-4, L41-4, L51-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 104166#[L89-4, L41-4, L51-4]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 105184#[L89-4, L41-4, L51-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 100784#[L89-4, L41-4, L51-4]don't care [2022-07-22 12:22:06,130 INFO L750 eck$LassoCheckResult]: Loop: 100784#[L89-4, L41-4, L51-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 100788#[L89-4, L41-4, L51-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 100784#[L89-4, L41-4, L51-4]don't care [2022-07-22 12:22:06,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:06,131 INFO L85 PathProgramCache]: Analyzing trace with hash -298857638, now seen corresponding path program 5 times [2022-07-22 12:22:06,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:06,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359354487] [2022-07-22 12:22:06,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:06,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:06,149 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:06,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:06,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:06,167 INFO L85 PathProgramCache]: Analyzing trace with hash 16001, now seen corresponding path program 8 times [2022-07-22 12:22:06,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:06,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432557179] [2022-07-22 12:22:06,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:06,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:06,173 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:06,179 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:06,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:06,180 INFO L85 PathProgramCache]: Analyzing trace with hash 560633754, now seen corresponding path program 6 times [2022-07-22 12:22:06,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:06,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504671932] [2022-07-22 12:22:06,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:06,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:06,198 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:06,214 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:06,241 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:06,241 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:06,242 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:06,242 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:06,242 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:06,242 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:06,242 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:06,242 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:06,242 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration17_Loop [2022-07-22 12:22:06,242 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:06,242 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:06,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:06,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:06,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:06,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:06,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:06,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:06,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:06,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:06,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:06,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:06,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:06,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:06,337 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:06,337 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:06,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:06,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:06,343 INFO L229 MonitoredProcess]: Starting monitored process 236 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:06,348 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:06,348 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:06,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Waiting until timeout for monitored process [2022-07-22 12:22:06,367 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:06,367 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_33=0} Honda state: {v_rep#funAddr~thread1.offset_33=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:06,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:06,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:06,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:06,404 INFO L229 MonitoredProcess]: Starting monitored process 237 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:06,411 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:06,411 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:06,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Waiting until timeout for monitored process [2022-07-22 12:22:06,430 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:06,430 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_33=-1} Honda state: {v_rep#funAddr~thread2.base_33=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:06,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:06,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:06,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:06,464 INFO L229 MonitoredProcess]: Starting monitored process 238 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:06,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2022-07-22 12:22:06,465 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:06,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:06,478 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:06,478 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_33=-1} Honda state: {v_rep#funAddr~thread1.base_33=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:06,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Ended with exit code 0 [2022-07-22 12:22:06,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:06,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:06,501 INFO L229 MonitoredProcess]: Starting monitored process 239 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:06,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Waiting until timeout for monitored process [2022-07-22 12:22:06,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:06,503 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:06,514 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:06,515 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_33=-1} Honda state: {v_rep#funAddr~thread3.base_33=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:06,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:06,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:06,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:06,537 INFO L229 MonitoredProcess]: Starting monitored process 240 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:06,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2022-07-22 12:22:06,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:06,539 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:06,552 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:06,552 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_33=2} Honda state: {v_rep#funAddr~thread3.offset_33=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:06,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:06,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:06,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:06,587 INFO L229 MonitoredProcess]: Starting monitored process 241 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:06,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2022-07-22 12:22:06,589 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:06,589 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:06,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:06,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:06,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:06,635 INFO L229 MonitoredProcess]: Starting monitored process 242 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:06,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2022-07-22 12:22:06,637 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:06,637 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:06,672 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:06,673 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter1~0=0} Honda state: {~counter1~0=0} Generalized eigenvectors: [{~counter1~0=-6}, {~counter1~0=7}, {~counter1~0=1}] Lambdas: [1, 1, 1] Nus: [0, 0] [2022-07-22 12:22:06,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Ended with exit code 0 [2022-07-22 12:22:06,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:06,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:06,696 INFO L229 MonitoredProcess]: Starting monitored process 243 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:06,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2022-07-22 12:22:06,697 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:06,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:06,710 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:06,710 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_33=1} Honda state: {v_rep#funAddr~thread2.offset_33=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:06,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Ended with exit code 0 [2022-07-22 12:22:06,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:06,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:06,732 INFO L229 MonitoredProcess]: Starting monitored process 244 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:06,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Waiting until timeout for monitored process [2022-07-22 12:22:06,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:06,733 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:06,746 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:06,746 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_33=-1} Honda state: {v_rep#funAddr~thread4.base_33=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:06,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Ended with exit code 0 [2022-07-22 12:22:06,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:06,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:06,768 INFO L229 MonitoredProcess]: Starting monitored process 245 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:06,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Waiting until timeout for monitored process [2022-07-22 12:22:06,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:06,769 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:06,783 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:06,783 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_33=3} Honda state: {v_rep#funAddr~thread4.offset_33=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:06,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Ended with exit code 0 [2022-07-22 12:22:06,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:06,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:06,805 INFO L229 MonitoredProcess]: Starting monitored process 246 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:06,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2022-07-22 12:22:06,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:06,806 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:06,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Ended with exit code 0 [2022-07-22 12:22:06,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:06,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:06,837 INFO L229 MonitoredProcess]: Starting monitored process 247 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:06,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2022-07-22 12:22:06,838 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:06,838 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:07,136 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:07,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Ended with exit code 0 [2022-07-22 12:22:07,139 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:07,139 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:07,139 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:07,139 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:07,139 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:07,139 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:07,139 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:07,140 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:07,140 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration17_Loop [2022-07-22 12:22:07,140 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:07,140 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:07,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:07,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:07,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:07,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:07,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:07,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:07,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:07,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:07,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:07,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:07,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:07,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:07,241 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:07,241 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:07,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:07,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:07,245 INFO L229 MonitoredProcess]: Starting monitored process 248 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:07,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:07,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:07,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:07,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:07,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:07,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:07,270 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:07,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2022-07-22 12:22:07,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:07,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Ended with exit code 0 [2022-07-22 12:22:07,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:07,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:07,297 INFO L229 MonitoredProcess]: Starting monitored process 249 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:07,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2022-07-22 12:22:07,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:07,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:07,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:07,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:07,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:07,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:07,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:07,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:07,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:07,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:07,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:07,333 INFO L229 MonitoredProcess]: Starting monitored process 250 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:07,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Waiting until timeout for monitored process [2022-07-22 12:22:07,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:07,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:07,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:07,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:07,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:07,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:07,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:07,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:07,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:07,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:07,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:07,369 INFO L229 MonitoredProcess]: Starting monitored process 251 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:07,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2022-07-22 12:22:07,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:07,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:07,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:07,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:07,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:07,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:07,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:07,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:07,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:07,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Ended with exit code 0 [2022-07-22 12:22:07,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:07,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:07,403 INFO L229 MonitoredProcess]: Starting monitored process 252 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:07,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2022-07-22 12:22:07,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:07,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:07,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:07,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:07,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:07,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:07,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:07,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:07,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:07,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:07,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:07,439 INFO L229 MonitoredProcess]: Starting monitored process 253 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:07,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2022-07-22 12:22:07,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:07,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:07,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:07,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:07,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:07,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:07,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:07,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:07,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Ended with exit code 0 [2022-07-22 12:22:07,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:07,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:07,475 INFO L229 MonitoredProcess]: Starting monitored process 254 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:07,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2022-07-22 12:22:07,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:07,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:07,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:07,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:07,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:07,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:07,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:07,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:07,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:07,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:07,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:07,512 INFO L229 MonitoredProcess]: Starting monitored process 255 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:07,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:07,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2022-07-22 12:22:07,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:07,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:07,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:07,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:07,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:07,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:07,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:07,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:07,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:07,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:07,552 INFO L229 MonitoredProcess]: Starting monitored process 256 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:07,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Waiting until timeout for monitored process [2022-07-22 12:22:07,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:07,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:07,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:07,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:07,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:07,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:07,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:07,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:07,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:07,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:07,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:07,596 INFO L229 MonitoredProcess]: Starting monitored process 257 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:07,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Waiting until timeout for monitored process [2022-07-22 12:22:07,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:07,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:07,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:07,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:07,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:07,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:07,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:07,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:07,609 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:07,612 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:22:07,612 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:22:07,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:07,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:07,613 INFO L229 MonitoredProcess]: Starting monitored process 258 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:07,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Waiting until timeout for monitored process [2022-07-22 12:22:07,615 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:07,615 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:07,615 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:07,615 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread1Thread1of1ForFork1_~i~0) = 1*~N~0 - 1*thread1Thread1of1ForFork1_~i~0 Supporting invariants [] [2022-07-22 12:22:07,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Ended with exit code 0 [2022-07-22 12:22:07,639 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:07,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:07,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:07,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:07,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 12:22:07,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:07,697 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:22:07,697 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2834 states and 15300 transitions. cyclomatic complexity: 13414 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:07,804 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2834 states and 15300 transitions. cyclomatic complexity: 13414. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 4035 states and 21195 transitions. Complement of second has 3 states. [2022-07-22 12:22:07,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:07,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:07,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 27 transitions. [2022-07-22 12:22:07,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 12:22:07,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:07,805 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:22:07,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:07,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:07,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:07,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 12:22:07,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:07,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:07,875 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:22:07,875 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2834 states and 15300 transitions. cyclomatic complexity: 13414 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:08,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:08,029 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2834 states and 15300 transitions. cyclomatic complexity: 13414. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 4035 states and 21195 transitions. Complement of second has 3 states. [2022-07-22 12:22:08,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:08,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 27 transitions. [2022-07-22 12:22:08,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 12:22:08,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:08,030 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:22:08,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:08,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:08,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:08,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 12:22:08,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:08,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:08,093 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:22:08,093 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2834 states and 15300 transitions. cyclomatic complexity: 13414 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:08,192 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2834 states and 15300 transitions. cyclomatic complexity: 13414. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3885 states and 21002 transitions. Complement of second has 2 states. [2022-07-22 12:22:08,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:08,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:08,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 29 transitions. [2022-07-22 12:22:08,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 12:22:08,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:08,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-22 12:22:08,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:08,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 9 letters. Loop has 4 letters. [2022-07-22 12:22:08,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:08,193 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3885 states and 21002 transitions. [2022-07-22 12:22:08,234 INFO L131 ngComponentsAnalysis]: Automaton has 310 accepting balls. 686 [2022-07-22 12:22:08,276 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3885 states to 3796 states and 20391 transitions. [2022-07-22 12:22:08,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1447 [2022-07-22 12:22:08,284 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1594 [2022-07-22 12:22:08,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3796 states and 20391 transitions. [2022-07-22 12:22:08,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:08,284 INFO L220 hiAutomatonCegarLoop]: Abstraction has 3796 states and 20391 transitions. [2022-07-22 12:22:08,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3796 states and 20391 transitions. [2022-07-22 12:22:08,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3796 to 2597. [2022-07-22 12:22:08,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2597 states, 2597 states have (on average 5.171351559491721) internal successors, (13430), 2596 states have internal predecessors, (13430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:08,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2597 states and 13430 transitions. [2022-07-22 12:22:08,386 INFO L242 hiAutomatonCegarLoop]: Abstraction has 2597 states and 13430 transitions. [2022-07-22 12:22:08,386 INFO L425 stractBuchiCegarLoop]: Abstraction has 2597 states and 13430 transitions. [2022-07-22 12:22:08,387 INFO L332 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2022-07-22 12:22:08,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2597 states and 13430 transitions. [2022-07-22 12:22:08,411 INFO L131 ngComponentsAnalysis]: Automaton has 310 accepting balls. 510 [2022-07-22 12:22:08,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:08,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:08,412 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:08,412 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 12:22:08,413 INFO L748 eck$LassoCheckResult]: Stem: 120114#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 119884#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 118204#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 118206#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 119084#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 120624#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 120618#[L89-4, thread2ENTRY, L41-4]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 122152#[L41-4, thread2ENTRY, L90-3]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 122154#[L51-4, L41-4, L90-3]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 122594#[L51-4, L41-4, L90-3]don't care [2022-07-22 12:22:08,413 INFO L750 eck$LassoCheckResult]: Loop: 122594#[L51-4, L41-4, L90-3]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 122576#[L51-4, L41-4, L90-3]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 122594#[L51-4, L41-4, L90-3]don't care [2022-07-22 12:22:08,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:08,413 INFO L85 PathProgramCache]: Analyzing trace with hash -440782923, now seen corresponding path program 1 times [2022-07-22 12:22:08,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:08,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167326988] [2022-07-22 12:22:08,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:08,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:08,427 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:08,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:08,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:08,439 INFO L85 PathProgramCache]: Analyzing trace with hash 15939, now seen corresponding path program 3 times [2022-07-22 12:22:08,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:08,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380643527] [2022-07-22 12:22:08,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:08,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:08,444 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:08,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:08,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:08,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1609388279, now seen corresponding path program 1 times [2022-07-22 12:22:08,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:08,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519840856] [2022-07-22 12:22:08,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:08,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:08,463 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:08,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:08,534 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:08,534 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:08,534 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:08,534 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:08,534 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:08,534 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:08,534 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:08,534 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:08,535 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration18_Loop [2022-07-22 12:22:08,535 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:08,535 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:08,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:08,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:08,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:08,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:08,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:08,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:08,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:08,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:08,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:08,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:08,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:08,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:08,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:08,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:08,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:08,670 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:08,670 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:08,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:08,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:08,671 INFO L229 MonitoredProcess]: Starting monitored process 259 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:08,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2022-07-22 12:22:08,673 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:08,673 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:08,681 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:08,681 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post1=0} Honda state: {thread1Thread1of1ForFork1_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:08,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:08,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:08,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:08,703 INFO L229 MonitoredProcess]: Starting monitored process 260 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:08,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Waiting until timeout for monitored process [2022-07-22 12:22:08,704 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:08,704 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:08,717 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:08,717 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_35=-1} Honda state: {v_rep#funAddr~thread1.base_35=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:08,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Ended with exit code 0 [2022-07-22 12:22:08,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:08,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:08,739 INFO L229 MonitoredProcess]: Starting monitored process 261 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:08,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2022-07-22 12:22:08,740 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:08,740 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:08,752 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:08,753 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_35=-1} Honda state: {v_rep#funAddr~thread4.base_35=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:08,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:08,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:08,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:08,775 INFO L229 MonitoredProcess]: Starting monitored process 262 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:08,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2022-07-22 12:22:08,803 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:08,803 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:08,814 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:08,815 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_35=0} Honda state: {v_rep#funAddr~thread1.offset_35=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:08,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Ended with exit code 0 [2022-07-22 12:22:08,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:08,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:08,836 INFO L229 MonitoredProcess]: Starting monitored process 263 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:08,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2022-07-22 12:22:08,837 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:08,837 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:08,850 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:08,851 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_35=-1} Honda state: {v_rep#funAddr~thread2.base_35=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:08,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:08,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:08,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:08,873 INFO L229 MonitoredProcess]: Starting monitored process 264 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:08,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2022-07-22 12:22:08,873 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:08,873 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:08,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:08,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:08,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:08,902 INFO L229 MonitoredProcess]: Starting monitored process 265 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:08,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2022-07-22 12:22:08,903 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:08,903 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:09,110 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:09,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:09,113 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:09,113 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:09,113 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:09,113 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:09,113 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:09,114 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:09,114 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:09,114 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:09,114 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration18_Loop [2022-07-22 12:22:09,114 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:09,114 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:09,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:09,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:09,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:09,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:09,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:09,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:09,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:09,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:09,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:09,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:09,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:09,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:09,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:09,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:09,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:09,256 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:09,256 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:09,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:09,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:09,257 INFO L229 MonitoredProcess]: Starting monitored process 266 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:09,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2022-07-22 12:22:09,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:09,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:09,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:09,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:09,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:09,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:09,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:09,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:09,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:09,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:09,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:09,291 INFO L229 MonitoredProcess]: Starting monitored process 267 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:09,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2022-07-22 12:22:09,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:09,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:09,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:09,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:09,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:09,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:09,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:09,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:09,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Ended with exit code 0 [2022-07-22 12:22:09,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:09,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:09,329 INFO L229 MonitoredProcess]: Starting monitored process 268 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:09,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2022-07-22 12:22:09,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:09,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:09,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:09,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:09,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:09,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:09,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:09,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:09,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Ended with exit code 0 [2022-07-22 12:22:09,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:09,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:09,364 INFO L229 MonitoredProcess]: Starting monitored process 269 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:09,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2022-07-22 12:22:09,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:09,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:09,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:09,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:09,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:09,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:09,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:09,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:09,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:09,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:09,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:09,402 INFO L229 MonitoredProcess]: Starting monitored process 270 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:09,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2022-07-22 12:22:09,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:09,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:09,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:09,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:09,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:09,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:09,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:09,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:09,412 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:09,415 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:22:09,415 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:22:09,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:09,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:09,417 INFO L229 MonitoredProcess]: Starting monitored process 271 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:09,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Waiting until timeout for monitored process [2022-07-22 12:22:09,418 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:09,418 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:09,418 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:09,418 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread1Thread1of1ForFork1_~i~0) = 1*~N~0 - 1*thread1Thread1of1ForFork1_~i~0 Supporting invariants [] [2022-07-22 12:22:09,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Ended with exit code 0 [2022-07-22 12:22:09,440 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:09,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:09,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:09,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:09,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:22:09,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:09,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:09,496 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:22:09,497 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2597 states and 13430 transitions. cyclomatic complexity: 11714 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:09,668 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2597 states and 13430 transitions. cyclomatic complexity: 11714. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6779 states and 36797 transitions. Complement of second has 4 states. [2022-07-22 12:22:09,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:09,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2022-07-22 12:22:09,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 68 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 12:22:09,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:09,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 68 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-22 12:22:09,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:09,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 68 transitions. Stem has 9 letters. Loop has 4 letters. [2022-07-22 12:22:09,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:09,670 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6779 states and 36797 transitions. [2022-07-22 12:22:09,784 INFO L131 ngComponentsAnalysis]: Automaton has 386 accepting balls. 386 [2022-07-22 12:22:09,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6779 states to 5297 states and 28424 transitions. [2022-07-22 12:22:09,853 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1905 [2022-07-22 12:22:09,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2157 [2022-07-22 12:22:09,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5297 states and 28424 transitions. [2022-07-22 12:22:09,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:09,861 INFO L220 hiAutomatonCegarLoop]: Abstraction has 5297 states and 28424 transitions. [2022-07-22 12:22:09,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5297 states and 28424 transitions. [2022-07-22 12:22:09,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5297 to 3492. [2022-07-22 12:22:10,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3492 states, 3492 states have (on average 5.673539518900344) internal successors, (19812), 3491 states have internal predecessors, (19812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:10,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (271)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:10,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3492 states to 3492 states and 19812 transitions. [2022-07-22 12:22:10,141 INFO L242 hiAutomatonCegarLoop]: Abstraction has 3492 states and 19812 transitions. [2022-07-22 12:22:10,141 INFO L425 stractBuchiCegarLoop]: Abstraction has 3492 states and 19812 transitions. [2022-07-22 12:22:10,141 INFO L332 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2022-07-22 12:22:10,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3492 states and 19812 transitions. [2022-07-22 12:22:10,176 INFO L131 ngComponentsAnalysis]: Automaton has 296 accepting balls. 296 [2022-07-22 12:22:10,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:10,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:10,179 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:10,179 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:22:10,180 INFO L748 eck$LassoCheckResult]: Stem: 131994#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 131764#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 130218#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 130220#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 130994#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 133228#[L89-4, thread2ENTRY, L41-4]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 133206#[L41-4, thread2ENTRY, L90-3]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 133210#[thread2ENTRY, thread3ENTRY, L90-4, L41-4]don't care [354] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 133252#[thread2ENTRY, L90-4, L41-4, L62-4]don't care [461] L41-4-->thread1EXIT: Formula: (and (= |v_thread1Thread1of1ForFork1_#res.base_9| 0) (= |v_thread1Thread1of1ForFork1_#res.offset_9| 0) (not (< v_thread1Thread1of1ForFork1_~i~0_21 v_~N~0_41))) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_21, ~N~0=v_~N~0_41} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_21, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_9|, ~N~0=v_~N~0_41} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#res.offset] 131588#[thread2ENTRY, thread1EXIT, L90-4, L62-4]don't care [2022-07-22 12:22:10,180 INFO L750 eck$LassoCheckResult]: Loop: 131588#[thread2ENTRY, thread1EXIT, L90-4, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 131588#[thread2ENTRY, thread1EXIT, L90-4, L62-4]don't care [2022-07-22 12:22:10,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:10,181 INFO L85 PathProgramCache]: Analyzing trace with hash -295108476, now seen corresponding path program 1 times [2022-07-22 12:22:10,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:10,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490800619] [2022-07-22 12:22:10,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:10,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:10,216 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:10,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:10,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:10,243 INFO L85 PathProgramCache]: Analyzing trace with hash 507, now seen corresponding path program 3 times [2022-07-22 12:22:10,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:10,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444523860] [2022-07-22 12:22:10,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:10,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:10,248 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:10,251 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:10,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:10,253 INFO L85 PathProgramCache]: Analyzing trace with hash -558427688, now seen corresponding path program 1 times [2022-07-22 12:22:10,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:10,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679000092] [2022-07-22 12:22:10,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:10,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:10,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:10,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:10,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679000092] [2022-07-22 12:22:10,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679000092] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:10,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:10,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 12:22:10,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16994119] [2022-07-22 12:22:10,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:10,397 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:10,397 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:10,397 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:10,397 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:10,398 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:10,398 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:10,398 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:10,398 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:10,398 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration19_Loop [2022-07-22 12:22:10,398 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:10,398 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:10,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,512 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:10,512 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:10,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:10,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:10,513 INFO L229 MonitoredProcess]: Starting monitored process 272 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:10,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Waiting until timeout for monitored process [2022-07-22 12:22:10,515 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:10,515 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:10,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (272)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:10,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:10,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:10,545 INFO L229 MonitoredProcess]: Starting monitored process 273 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:10,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Waiting until timeout for monitored process [2022-07-22 12:22:10,546 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:10,546 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:10,689 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:10,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (273)] Ended with exit code 0 [2022-07-22 12:22:10,691 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:10,692 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:10,692 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:10,692 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:10,692 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:10,692 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:10,692 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:10,692 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:10,692 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration19_Loop [2022-07-22 12:22:10,692 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:10,692 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:10,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:10,805 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:10,805 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:10,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:10,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:10,807 INFO L229 MonitoredProcess]: Starting monitored process 274 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:10,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Waiting until timeout for monitored process [2022-07-22 12:22:10,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:10,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:10,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:10,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:10,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:10,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:10,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:10,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:10,820 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:10,822 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:22:10,822 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:22:10,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:10,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:10,823 INFO L229 MonitoredProcess]: Starting monitored process 275 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:10,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Waiting until timeout for monitored process [2022-07-22 12:22:10,824 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:10,825 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:10,825 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:10,825 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread3Thread1of1ForFork0_~i~2) = 1*~N~0 - 1*thread3Thread1of1ForFork0_~i~2 Supporting invariants [] [2022-07-22 12:22:10,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (274)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:10,848 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:10,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:10,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:10,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:10,901 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:22:10,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:10,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:10,903 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:10,903 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 3492 states and 19812 transitions. cyclomatic complexity: 17503 Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:11,007 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 3492 states and 19812 transitions. cyclomatic complexity: 17503. Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 4118 states and 22368 transitions. Complement of second has 3 states. [2022-07-22 12:22:11,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:11,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:11,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 22 transitions. [2022-07-22 12:22:11,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:22:11,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:11,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-22 12:22:11,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:11,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 12:22:11,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:11,009 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4118 states and 22368 transitions. [2022-07-22 12:22:11,066 INFO L131 ngComponentsAnalysis]: Automaton has 292 accepting balls. 292 [2022-07-22 12:22:11,106 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4118 states to 4118 states and 22368 transitions. [2022-07-22 12:22:11,106 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1585 [2022-07-22 12:22:11,113 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1737 [2022-07-22 12:22:11,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4118 states and 22368 transitions. [2022-07-22 12:22:11,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:11,113 INFO L220 hiAutomatonCegarLoop]: Abstraction has 4118 states and 22368 transitions. [2022-07-22 12:22:11,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4118 states and 22368 transitions. [2022-07-22 12:22:11,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4118 to 3509. [2022-07-22 12:22:11,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3509 states, 3509 states have (on average 5.66970646907951) internal successors, (19895), 3508 states have internal predecessors, (19895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:11,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3509 states to 3509 states and 19895 transitions. [2022-07-22 12:22:11,277 INFO L242 hiAutomatonCegarLoop]: Abstraction has 3509 states and 19895 transitions. [2022-07-22 12:22:11,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:11,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 12:22:11,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-22 12:22:11,278 INFO L87 Difference]: Start difference. First operand 3509 states and 19895 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:11,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:11,632 INFO L93 Difference]: Finished difference Result 4172 states and 22293 transitions. [2022-07-22 12:22:11,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4172 states and 22293 transitions. [2022-07-22 12:22:11,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (275)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:11,702 INFO L131 ngComponentsAnalysis]: Automaton has 444 accepting balls. 444 [2022-07-22 12:22:11,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4172 states to 4150 states and 22209 transitions. [2022-07-22 12:22:11,745 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1994 [2022-07-22 12:22:11,751 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1999 [2022-07-22 12:22:11,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4150 states and 22209 transitions. [2022-07-22 12:22:11,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:11,752 INFO L220 hiAutomatonCegarLoop]: Abstraction has 4150 states and 22209 transitions. [2022-07-22 12:22:11,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4150 states and 22209 transitions. [2022-07-22 12:22:11,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4150 to 3640. [2022-07-22 12:22:11,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3640 states, 3640 states have (on average 5.622802197802198) internal successors, (20467), 3639 states have internal predecessors, (20467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:11,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3640 states to 3640 states and 20467 transitions. [2022-07-22 12:22:11,881 INFO L242 hiAutomatonCegarLoop]: Abstraction has 3640 states and 20467 transitions. [2022-07-22 12:22:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 12:22:11,882 INFO L425 stractBuchiCegarLoop]: Abstraction has 3640 states and 20467 transitions. [2022-07-22 12:22:11,882 INFO L332 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2022-07-22 12:22:11,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3640 states and 20467 transitions. [2022-07-22 12:22:11,961 INFO L131 ngComponentsAnalysis]: Automaton has 318 accepting balls. 318 [2022-07-22 12:22:11,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:11,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:11,962 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:11,962 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:22:11,962 INFO L748 eck$LassoCheckResult]: Stem: 154485#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 154269#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 152571#[thread1ENTRY, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 152575#[L89-3, thread1ENTRY]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 154115#[L89-4, thread2ENTRY, thread1ENTRY]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 154167#[thread2ENTRY, L90-3, thread1ENTRY]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 153187#[thread2ENTRY, thread3ENTRY, L90-4, thread1ENTRY]don't care [354] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 153189#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 154035#[L90-4, thread1ENTRY, L51-4, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 153253#[L90-4, thread1ENTRY, L51-4, L62-4]don't care [2022-07-22 12:22:11,963 INFO L750 eck$LassoCheckResult]: Loop: 153253#[L90-4, thread1ENTRY, L51-4, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 153253#[L90-4, thread1ENTRY, L51-4, L62-4]don't care [2022-07-22 12:22:11,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:11,963 INFO L85 PathProgramCache]: Analyzing trace with hash 367217645, now seen corresponding path program 1 times [2022-07-22 12:22:11,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:11,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476248295] [2022-07-22 12:22:11,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:11,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:11,978 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:11,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:11,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:11,991 INFO L85 PathProgramCache]: Analyzing trace with hash 507, now seen corresponding path program 4 times [2022-07-22 12:22:11,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:11,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390001078] [2022-07-22 12:22:11,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:11,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:11,996 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:11,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:11,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:12,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1501154417, now seen corresponding path program 2 times [2022-07-22 12:22:12,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:12,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312156157] [2022-07-22 12:22:12,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:12,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:12,014 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:12,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:12,042 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:12,042 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:12,042 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:12,042 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:12,042 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:12,042 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:12,042 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:12,042 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:12,042 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration20_Loop [2022-07-22 12:22:12,043 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:12,043 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:12,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,132 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:12,132 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:12,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:12,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:12,133 INFO L229 MonitoredProcess]: Starting monitored process 276 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:12,135 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:12,136 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:12,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Waiting until timeout for monitored process [2022-07-22 12:22:12,154 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:12,154 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_39=3} Honda state: {v_rep#funAddr~thread4.offset_39=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:12,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (276)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:12,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:12,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:12,192 INFO L229 MonitoredProcess]: Starting monitored process 277 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:12,194 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:12,194 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:12,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Waiting until timeout for monitored process [2022-07-22 12:22:12,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (277)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:12,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:12,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:12,251 INFO L229 MonitoredProcess]: Starting monitored process 278 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:12,253 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:12,253 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:12,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Waiting until timeout for monitored process [2022-07-22 12:22:12,418 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:12,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (278)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:12,421 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:12,421 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:12,421 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:12,421 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:12,421 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:12,421 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:12,421 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:12,421 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:12,421 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration20_Loop [2022-07-22 12:22:12,421 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:12,421 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:12,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:12,524 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:12,524 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:12,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:12,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:12,525 INFO L229 MonitoredProcess]: Starting monitored process 279 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:12,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Waiting until timeout for monitored process [2022-07-22 12:22:12,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:12,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:12,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:12,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:12,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:12,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:12,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:12,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:12,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (279)] Ended with exit code 0 [2022-07-22 12:22:12,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:12,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:12,561 INFO L229 MonitoredProcess]: Starting monitored process 280 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:12,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:12,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Waiting until timeout for monitored process [2022-07-22 12:22:12,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:12,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:12,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:12,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:12,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:12,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:12,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:12,572 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:12,575 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:22:12,575 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:22:12,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:12,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:12,576 INFO L229 MonitoredProcess]: Starting monitored process 281 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:12,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Waiting until timeout for monitored process [2022-07-22 12:22:12,577 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:12,578 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:12,578 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:12,578 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork0_~i~2, ~N~0) = -1*thread3Thread1of1ForFork0_~i~2 + 1*~N~0 Supporting invariants [] [2022-07-22 12:22:12,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (280)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:12,601 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:12,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:12,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:12,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:12,647 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:22:12,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:12,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:12,648 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:12,648 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 3640 states and 20467 transitions. cyclomatic complexity: 18037 Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:12,763 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 3640 states and 20467 transitions. cyclomatic complexity: 18037. Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6966 states and 39270 transitions. Complement of second has 3 states. [2022-07-22 12:22:12,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:12,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:12,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 28 transitions. [2022-07-22 12:22:12,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:22:12,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:12,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-22 12:22:12,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:12,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 12:22:12,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:12,765 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6966 states and 39270 transitions. [2022-07-22 12:22:12,843 INFO L131 ngComponentsAnalysis]: Automaton has 444 accepting balls. 444 [2022-07-22 12:22:12,902 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6966 states to 6963 states and 39263 transitions. [2022-07-22 12:22:12,903 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2655 [2022-07-22 12:22:12,912 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2938 [2022-07-22 12:22:12,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6963 states and 39263 transitions. [2022-07-22 12:22:12,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:12,913 INFO L220 hiAutomatonCegarLoop]: Abstraction has 6963 states and 39263 transitions. [2022-07-22 12:22:12,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6963 states and 39263 transitions. [2022-07-22 12:22:13,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (281)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:13,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6963 to 5026. [2022-07-22 12:22:13,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5026 states, 5026 states have (on average 5.939315559092718) internal successors, (29851), 5025 states have internal predecessors, (29851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:13,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5026 states to 5026 states and 29851 transitions. [2022-07-22 12:22:13,396 INFO L242 hiAutomatonCegarLoop]: Abstraction has 5026 states and 29851 transitions. [2022-07-22 12:22:13,396 INFO L425 stractBuchiCegarLoop]: Abstraction has 5026 states and 29851 transitions. [2022-07-22 12:22:13,396 INFO L332 stractBuchiCegarLoop]: ======== Iteration 21 ============ [2022-07-22 12:22:13,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5026 states and 29851 transitions. [2022-07-22 12:22:13,463 INFO L131 ngComponentsAnalysis]: Automaton has 380 accepting balls. 380 [2022-07-22 12:22:13,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:13,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:13,464 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:13,464 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:22:13,465 INFO L748 eck$LassoCheckResult]: Stem: 168945#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 168643#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 166865#[thread1ENTRY, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 166869#[L89-3, thread1ENTRY]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 168447#[L89-4, thread2ENTRY, thread1ENTRY]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 168517#[thread2ENTRY, L90-3, thread1ENTRY]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 167469#[thread2ENTRY, thread3ENTRY, L90-4, thread1ENTRY]don't care [477] L90-4-->L91-3: Formula: (and (= |v_#pthreadsForks_55| (+ |v_#pthreadsForks_56| 1)) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (select |v_#length_77| |v_ULTIMATE.start_main_~#t4~0#1.base_29|)) (= |v_#memory_int_67| (store |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29| (store (select |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) |v_ULTIMATE.start_main_~#t4~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre16#1_17|))) (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (= |v_ULTIMATE.start_main_#t~pre16#1_17| |v_#pthreadsForks_56|) (= (select |v_#valid_122| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_56|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_68|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|} OutVars{#pthreadsForks=|v_#pthreadsForks_55|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_19|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_67|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_17|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_9|} AuxVars[] AssignedVars[#pthreadsForks, ULTIMATE.start_main_#t~pre14#1, #memory_int, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_#t~nondet15#1] 167475#[L91-3, thread2ENTRY, thread3ENTRY, thread1ENTRY]don't care [382] L91-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= |v_ULTIMATE.start_main_#t~pre16#1_6| v_thread4Thread1of1ForFork2_thidvar0_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 168281#[L91-4, thread3ENTRY, thread2ENTRY, thread4ENTRY, thread1ENTRY]don't care [364] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 167739#[L91-4, thread2ENTRY, thread3ENTRY, L72-4, thread1ENTRY]don't care [2022-07-22 12:22:13,466 INFO L750 eck$LassoCheckResult]: Loop: 167739#[L91-4, thread2ENTRY, thread3ENTRY, L72-4, thread1ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 167739#[L91-4, thread2ENTRY, thread3ENTRY, L72-4, thread1ENTRY]don't care [2022-07-22 12:22:13,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:13,466 INFO L85 PathProgramCache]: Analyzing trace with hash 367336914, now seen corresponding path program 1 times [2022-07-22 12:22:13,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:13,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253982597] [2022-07-22 12:22:13,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:13,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:13,482 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:13,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:13,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:13,497 INFO L85 PathProgramCache]: Analyzing trace with hash 500, now seen corresponding path program 1 times [2022-07-22 12:22:13,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:13,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707400445] [2022-07-22 12:22:13,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:13,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:13,502 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:13,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:13,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:13,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1497457085, now seen corresponding path program 1 times [2022-07-22 12:22:13,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:13,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471638301] [2022-07-22 12:22:13,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:13,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:13,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:13,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:13,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471638301] [2022-07-22 12:22:13,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471638301] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:13,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:13,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-22 12:22:13,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403300399] [2022-07-22 12:22:13,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:13,583 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:13,584 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:13,584 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:13,584 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:13,584 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:13,584 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:13,584 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:13,584 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:13,584 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration21_Loop [2022-07-22 12:22:13,585 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:13,585 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:13,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,712 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:13,712 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:13,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:13,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:13,714 INFO L229 MonitoredProcess]: Starting monitored process 282 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:13,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Waiting until timeout for monitored process [2022-07-22 12:22:13,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:13,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:13,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (282)] Ended with exit code 0 [2022-07-22 12:22:13,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:13,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:13,745 INFO L229 MonitoredProcess]: Starting monitored process 283 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:13,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Waiting until timeout for monitored process [2022-07-22 12:22:13,746 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:13,746 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:13,779 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:13,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (283)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:13,781 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:13,781 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:13,781 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:13,781 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:13,781 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:13,781 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:13,782 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:13,782 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:13,782 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration21_Loop [2022-07-22 12:22:13,782 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:13,782 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:13,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:13,913 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:13,913 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:13,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:13,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:13,915 INFO L229 MonitoredProcess]: Starting monitored process 284 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:13,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:13,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:13,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:13,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:13,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:13,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:13,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:13,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:13,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Waiting until timeout for monitored process [2022-07-22 12:22:13,944 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:13,950 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:22:13,950 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:22:13,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:13,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:13,952 INFO L229 MonitoredProcess]: Starting monitored process 285 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:13,953 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:13,954 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:13,954 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:13,954 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter2~0) = 1*~counter2~0 Supporting invariants [] [2022-07-22 12:22:13,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Waiting until timeout for monitored process [2022-07-22 12:22:13,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (284)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:13,982 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:13,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:14,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:14,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:14,036 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:22:14,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:14,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:14,037 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:14,037 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5026 states and 29851 transitions. cyclomatic complexity: 26393 Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:14,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (285)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:14,259 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5026 states and 29851 transitions. cyclomatic complexity: 26393. Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6542 states and 38215 transitions. Complement of second has 3 states. [2022-07-22 12:22:14,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:14,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:14,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 26 transitions. [2022-07-22 12:22:14,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 26 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:22:14,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:14,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 26 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-22 12:22:14,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:14,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 26 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 12:22:14,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:14,261 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6542 states and 38215 transitions. [2022-07-22 12:22:14,356 INFO L131 ngComponentsAnalysis]: Automaton has 379 accepting balls. 379 [2022-07-22 12:22:14,500 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6542 states to 6539 states and 38211 transitions. [2022-07-22 12:22:14,500 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2453 [2022-07-22 12:22:14,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2800 [2022-07-22 12:22:14,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6539 states and 38211 transitions. [2022-07-22 12:22:14,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:14,509 INFO L220 hiAutomatonCegarLoop]: Abstraction has 6539 states and 38211 transitions. [2022-07-22 12:22:14,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6539 states and 38211 transitions. [2022-07-22 12:22:14,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6539 to 5491. [2022-07-22 12:22:14,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5491 states, 5491 states have (on average 5.898561282097979) internal successors, (32389), 5490 states have internal predecessors, (32389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5491 states to 5491 states and 32389 transitions. [2022-07-22 12:22:14,688 INFO L242 hiAutomatonCegarLoop]: Abstraction has 5491 states and 32389 transitions. [2022-07-22 12:22:14,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:14,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:22:14,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:22:14,688 INFO L87 Difference]: Start difference. First operand 5491 states and 32389 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:14,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:14,810 INFO L93 Difference]: Finished difference Result 6173 states and 33831 transitions. [2022-07-22 12:22:14,810 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6173 states and 33831 transitions. [2022-07-22 12:22:15,006 INFO L131 ngComponentsAnalysis]: Automaton has 296 accepting balls. 296 [2022-07-22 12:22:15,136 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6173 states to 5719 states and 30893 transitions. [2022-07-22 12:22:15,136 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2476 [2022-07-22 12:22:15,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2498 [2022-07-22 12:22:15,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5719 states and 30893 transitions. [2022-07-22 12:22:15,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:15,145 INFO L220 hiAutomatonCegarLoop]: Abstraction has 5719 states and 30893 transitions. [2022-07-22 12:22:15,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5719 states and 30893 transitions. [2022-07-22 12:22:15,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5719 to 5563. [2022-07-22 12:22:15,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5563 states, 5563 states have (on average 5.467193960093475) internal successors, (30414), 5562 states have internal predecessors, (30414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:15,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5563 states to 5563 states and 30414 transitions. [2022-07-22 12:22:15,327 INFO L242 hiAutomatonCegarLoop]: Abstraction has 5563 states and 30414 transitions. [2022-07-22 12:22:15,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:22:15,328 INFO L425 stractBuchiCegarLoop]: Abstraction has 5563 states and 30414 transitions. [2022-07-22 12:22:15,328 INFO L332 stractBuchiCegarLoop]: ======== Iteration 22 ============ [2022-07-22 12:22:15,328 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5563 states and 30414 transitions. [2022-07-22 12:22:15,401 INFO L131 ngComponentsAnalysis]: Automaton has 290 accepting balls. 290 [2022-07-22 12:22:15,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:15,401 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:15,402 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:15,402 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:22:15,403 INFO L748 eck$LassoCheckResult]: Stem: 202991#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 202631#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 200667#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 200669#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 201633#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 203893#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 202701#[L89-4, thread2ENTRY, L41-4]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 202703#[L89-4, L41-4, L51-4]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 201761#[L51-4, L41-4, L90-3]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 209509#[thread3ENTRY, L90-4, L41-4, L51-4]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 203059#[thread3ENTRY, L90-4, L41-4, L51-4]don't care [2022-07-22 12:22:15,403 INFO L750 eck$LassoCheckResult]: Loop: 203059#[thread3ENTRY, L90-4, L41-4, L51-4]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 203059#[thread3ENTRY, L90-4, L41-4, L51-4]don't care [2022-07-22 12:22:15,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:15,404 INFO L85 PathProgramCache]: Analyzing trace with hash -783090241, now seen corresponding path program 1 times [2022-07-22 12:22:15,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:15,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929908685] [2022-07-22 12:22:15,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:15,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:15,420 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:15,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:15,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:15,439 INFO L85 PathProgramCache]: Analyzing trace with hash 499, now seen corresponding path program 6 times [2022-07-22 12:22:15,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:15,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489448853] [2022-07-22 12:22:15,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:15,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:15,447 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:15,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:15,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:15,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1494006773, now seen corresponding path program 2 times [2022-07-22 12:22:15,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:15,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102860787] [2022-07-22 12:22:15,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:15,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:15,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:15,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:15,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102860787] [2022-07-22 12:22:15,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102860787] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:15,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:15,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:22:15,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367294466] [2022-07-22 12:22:15,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:15,545 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:15,545 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:15,545 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:15,545 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:15,545 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:15,545 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:15,546 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:15,546 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:15,546 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration22_Loop [2022-07-22 12:22:15,546 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:15,546 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:15,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,676 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:15,676 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:15,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:15,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:15,677 INFO L229 MonitoredProcess]: Starting monitored process 286 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:15,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Waiting until timeout for monitored process [2022-07-22 12:22:15,767 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:15,767 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:15,777 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:15,777 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post3#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:15,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (286)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:15,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:15,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:15,800 INFO L229 MonitoredProcess]: Starting monitored process 287 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:15,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Waiting until timeout for monitored process [2022-07-22 12:22:15,801 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:15,801 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:15,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (287)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:15,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:15,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:15,832 INFO L229 MonitoredProcess]: Starting monitored process 288 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:15,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Waiting until timeout for monitored process [2022-07-22 12:22:15,836 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:15,836 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:15,976 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:15,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (288)] Ended with exit code 0 [2022-07-22 12:22:15,979 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:15,979 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:15,979 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:15,979 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:15,979 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:15,979 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:15,979 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:15,979 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:15,979 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration22_Loop [2022-07-22 12:22:15,979 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:15,980 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:15,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:15,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:16,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:16,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:16,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:16,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:16,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:16,101 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:16,101 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:16,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:16,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:16,102 INFO L229 MonitoredProcess]: Starting monitored process 289 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:16,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Waiting until timeout for monitored process [2022-07-22 12:22:16,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:16,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:16,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:16,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:16,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:16,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:16,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:16,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:16,113 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:16,115 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:22:16,115 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:22:16,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:16,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:16,117 INFO L229 MonitoredProcess]: Starting monitored process 290 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:16,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Waiting until timeout for monitored process [2022-07-22 12:22:16,121 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:16,121 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:16,121 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:16,121 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork3_~i~1#1, ~N~0) = -1*thread2Thread1of1ForFork3_~i~1#1 + 1*~N~0 Supporting invariants [] [2022-07-22 12:22:16,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (289)] Ended with exit code 0 [2022-07-22 12:22:16,143 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:16,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:16,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:16,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:16,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:22:16,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:16,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:16,199 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:16,199 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5563 states and 30414 transitions. cyclomatic complexity: 26450 Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:16,374 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5563 states and 30414 transitions. cyclomatic complexity: 26450. Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9104 states and 48633 transitions. Complement of second has 3 states. [2022-07-22 12:22:16,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:16,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:16,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 28 transitions. [2022-07-22 12:22:16,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-22 12:22:16,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:16,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 11 letters. Loop has 1 letters. [2022-07-22 12:22:16,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:16,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 10 letters. Loop has 2 letters. [2022-07-22 12:22:16,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:16,376 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9104 states and 48633 transitions. [2022-07-22 12:22:16,527 INFO L131 ngComponentsAnalysis]: Automaton has 384 accepting balls. 384 [2022-07-22 12:22:16,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (290)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:16,740 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9104 states to 9101 states and 48603 transitions. [2022-07-22 12:22:16,740 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3377 [2022-07-22 12:22:16,755 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3586 [2022-07-22 12:22:16,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9101 states and 48603 transitions. [2022-07-22 12:22:16,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:16,756 INFO L220 hiAutomatonCegarLoop]: Abstraction has 9101 states and 48603 transitions. [2022-07-22 12:22:16,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9101 states and 48603 transitions. [2022-07-22 12:22:16,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9101 to 6612. [2022-07-22 12:22:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6612 states, 6612 states have (on average 5.487598306110103) internal successors, (36284), 6611 states have internal predecessors, (36284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:17,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6612 states to 6612 states and 36284 transitions. [2022-07-22 12:22:17,091 INFO L242 hiAutomatonCegarLoop]: Abstraction has 6612 states and 36284 transitions. [2022-07-22 12:22:17,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:17,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 12:22:17,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-22 12:22:17,095 INFO L87 Difference]: Start difference. First operand 6612 states and 36284 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:17,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:17,321 INFO L93 Difference]: Finished difference Result 10985 states and 55971 transitions. [2022-07-22 12:22:17,321 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10985 states and 55971 transitions. [2022-07-22 12:22:17,465 INFO L131 ngComponentsAnalysis]: Automaton has 572 accepting balls. 572 [2022-07-22 12:22:17,722 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10985 states to 10645 states and 53983 transitions. [2022-07-22 12:22:17,722 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4809 [2022-07-22 12:22:17,738 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5154 [2022-07-22 12:22:17,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10645 states and 53983 transitions. [2022-07-22 12:22:17,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:17,738 INFO L220 hiAutomatonCegarLoop]: Abstraction has 10645 states and 53983 transitions. [2022-07-22 12:22:17,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10645 states and 53983 transitions. [2022-07-22 12:22:17,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10645 to 8242. [2022-07-22 12:22:17,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8242 states, 8242 states have (on average 5.395171074981801) internal successors, (44467), 8241 states have internal predecessors, (44467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:18,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8242 states to 8242 states and 44467 transitions. [2022-07-22 12:22:18,012 INFO L242 hiAutomatonCegarLoop]: Abstraction has 8242 states and 44467 transitions. [2022-07-22 12:22:18,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:22:18,013 INFO L425 stractBuchiCegarLoop]: Abstraction has 8242 states and 44467 transitions. [2022-07-22 12:22:18,013 INFO L332 stractBuchiCegarLoop]: ======== Iteration 23 ============ [2022-07-22 12:22:18,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8242 states and 44467 transitions. [2022-07-22 12:22:18,255 INFO L131 ngComponentsAnalysis]: Automaton has 385 accepting balls. 385 [2022-07-22 12:22:18,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:18,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:18,256 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:18,256 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:22:18,257 INFO L748 eck$LassoCheckResult]: Stem: 247376#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 247048#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 245158#[thread1ENTRY, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 245162#[L89-3, thread1ENTRY]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 246878#[L89-4, thread2ENTRY, thread1ENTRY]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 246930#[thread2ENTRY, L90-3, thread1ENTRY]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 245854#[thread2ENTRY, thread3ENTRY, L90-4, thread1ENTRY]don't care [354] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 245856#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 246768#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 247682#[L90-4, thread1ENTRY, L51-4, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 249498#[L90-4, thread1ENTRY, L51-4, L62-4]don't care [2022-07-22 12:22:18,257 INFO L750 eck$LassoCheckResult]: Loop: 249498#[L90-4, thread1ENTRY, L51-4, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 249498#[L90-4, thread1ENTRY, L51-4, L62-4]don't care [2022-07-22 12:22:18,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:18,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1501031657, now seen corresponding path program 3 times [2022-07-22 12:22:18,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:18,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146302405] [2022-07-22 12:22:18,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:18,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:18,275 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:18,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:18,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:18,287 INFO L85 PathProgramCache]: Analyzing trace with hash 507, now seen corresponding path program 5 times [2022-07-22 12:22:18,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:18,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100752551] [2022-07-22 12:22:18,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:18,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:18,291 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:18,293 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:18,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:18,294 INFO L85 PathProgramCache]: Analyzing trace with hash 712659365, now seen corresponding path program 4 times [2022-07-22 12:22:18,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:18,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727620894] [2022-07-22 12:22:18,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:18,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:18,306 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:18,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:18,330 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:18,330 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:18,330 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:18,330 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:18,330 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:18,331 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:18,331 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:18,331 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:18,331 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration23_Loop [2022-07-22 12:22:18,331 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:18,331 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:18,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,427 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:18,427 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:18,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:18,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:18,429 INFO L229 MonitoredProcess]: Starting monitored process 291 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:18,437 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:18,438 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:18,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Waiting until timeout for monitored process [2022-07-22 12:22:18,457 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:18,457 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_45=-1} Honda state: {v_rep#funAddr~thread1.base_45=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:18,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (291)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:18,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:18,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:18,480 INFO L229 MonitoredProcess]: Starting monitored process 292 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:18,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Waiting until timeout for monitored process [2022-07-22 12:22:18,481 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:18,481 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:18,493 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:18,494 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_45=0} Honda state: {v_rep#funAddr~thread1.offset_45=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:18,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (292)] Ended with exit code 0 [2022-07-22 12:22:18,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:18,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:18,516 INFO L229 MonitoredProcess]: Starting monitored process 293 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:18,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Waiting until timeout for monitored process [2022-07-22 12:22:18,517 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:18,517 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:18,531 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:18,531 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_45=-1} Honda state: {v_rep#funAddr~thread2.base_45=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:18,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (293)] Ended with exit code 0 [2022-07-22 12:22:18,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:18,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:18,555 INFO L229 MonitoredProcess]: Starting monitored process 294 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:18,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Waiting until timeout for monitored process [2022-07-22 12:22:18,556 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:18,556 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:18,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (294)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:18,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:18,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:18,588 INFO L229 MonitoredProcess]: Starting monitored process 295 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:18,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Waiting until timeout for monitored process [2022-07-22 12:22:18,589 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:18,589 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:18,613 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:18,613 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter2~0=0} Honda state: {~counter2~0=0} Generalized eigenvectors: [{~counter2~0=-2}, {~counter2~0=4}, {~counter2~0=-1}] Lambdas: [1, 1, 1] Nus: [0, 0] [2022-07-22 12:22:18,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (295)] Ended with exit code 0 [2022-07-22 12:22:18,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:18,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:18,635 INFO L229 MonitoredProcess]: Starting monitored process 296 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:18,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Waiting until timeout for monitored process [2022-07-22 12:22:18,636 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:18,636 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:18,644 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:18,644 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork0_#t~post6=0} Honda state: {thread3Thread1of1ForFork0_#t~post6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:18,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (296)] Ended with exit code 0 [2022-07-22 12:22:18,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:18,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:18,668 INFO L229 MonitoredProcess]: Starting monitored process 297 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:18,669 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:18,669 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:18,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Waiting until timeout for monitored process [2022-07-22 12:22:18,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (297)] Ended with exit code 0 [2022-07-22 12:22:18,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:18,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:18,701 INFO L229 MonitoredProcess]: Starting monitored process 298 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:18,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Waiting until timeout for monitored process [2022-07-22 12:22:18,702 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:18,702 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:18,843 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:18,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (298)] Ended with exit code 0 [2022-07-22 12:22:18,845 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:18,845 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:18,845 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:18,845 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:18,845 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:18,846 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:18,846 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:18,846 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:18,846 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration23_Loop [2022-07-22 12:22:18,846 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:18,846 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:18,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:18,947 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:18,947 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:18,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:18,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:18,948 INFO L229 MonitoredProcess]: Starting monitored process 299 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:18,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Waiting until timeout for monitored process [2022-07-22 12:22:18,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:18,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:18,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:18,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:18,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:18,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:18,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:18,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:18,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (299)] Ended with exit code 0 [2022-07-22 12:22:18,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:18,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:18,983 INFO L229 MonitoredProcess]: Starting monitored process 300 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:18,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Waiting until timeout for monitored process [2022-07-22 12:22:18,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:18,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:18,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:18,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:18,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:18,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:18,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:18,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:19,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (300)] Ended with exit code 0 [2022-07-22 12:22:19,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:19,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:19,018 INFO L229 MonitoredProcess]: Starting monitored process 301 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:19,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Waiting until timeout for monitored process [2022-07-22 12:22:19,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:19,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:19,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:19,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:19,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:19,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:19,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:19,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:19,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (301)] Ended with exit code 0 [2022-07-22 12:22:19,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:19,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:19,051 INFO L229 MonitoredProcess]: Starting monitored process 302 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:19,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Waiting until timeout for monitored process [2022-07-22 12:22:19,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:19,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:19,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:19,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:19,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:19,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:19,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:19,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:19,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (302)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:19,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:19,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:19,088 INFO L229 MonitoredProcess]: Starting monitored process 303 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:19,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Waiting until timeout for monitored process [2022-07-22 12:22:19,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:19,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:19,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:19,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:19,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:19,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:19,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:19,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:19,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:19,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (303)] Ended with exit code 0 [2022-07-22 12:22:19,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:19,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:19,121 INFO L229 MonitoredProcess]: Starting monitored process 304 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:19,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Waiting until timeout for monitored process [2022-07-22 12:22:19,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:19,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:19,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:19,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:19,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:19,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:19,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:19,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:19,139 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:19,143 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:22:19,143 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:22:19,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:19,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:19,149 INFO L229 MonitoredProcess]: Starting monitored process 305 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:19,151 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:19,151 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:19,151 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:19,151 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork0_~i~2, ~N~0) = -1*thread3Thread1of1ForFork0_~i~2 + 1*~N~0 Supporting invariants [] [2022-07-22 12:22:19,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Waiting until timeout for monitored process [2022-07-22 12:22:19,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (304)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:19,185 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:19,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:19,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:19,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:19,232 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:22:19,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:19,234 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:19,234 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8242 states and 44467 transitions. cyclomatic complexity: 38419 Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:19,378 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8242 states and 44467 transitions. cyclomatic complexity: 38419. Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10197 states and 54412 transitions. Complement of second has 3 states. [2022-07-22 12:22:19,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:19,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 25 transitions. [2022-07-22 12:22:19,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 25 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-22 12:22:19,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:19,379 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:22:19,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:19,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:19,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:19,432 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:22:19,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:19,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:19,433 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:19,433 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8242 states and 44467 transitions. cyclomatic complexity: 38419 Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:19,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (305)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:19,638 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8242 states and 44467 transitions. cyclomatic complexity: 38419. Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10197 states and 54412 transitions. Complement of second has 3 states. [2022-07-22 12:22:19,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:19,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:19,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 25 transitions. [2022-07-22 12:22:19,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 25 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-22 12:22:19,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:19,640 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:22:19,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:19,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:19,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:19,688 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:22:19,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:19,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:19,692 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:19,692 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8242 states and 44467 transitions. cyclomatic complexity: 38419 Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:19,865 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8242 states and 44467 transitions. cyclomatic complexity: 38419. Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10615 states and 57031 transitions. Complement of second has 2 states. [2022-07-22 12:22:19,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:19,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:19,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 29 transitions. [2022-07-22 12:22:19,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-22 12:22:19,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:19,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 11 letters. Loop has 1 letters. [2022-07-22 12:22:19,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:19,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 10 letters. Loop has 2 letters. [2022-07-22 12:22:19,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:19,867 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10615 states and 57031 transitions. [2022-07-22 12:22:19,988 INFO L131 ngComponentsAnalysis]: Automaton has 224 accepting balls. 470 [2022-07-22 12:22:20,171 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10615 states to 9482 states and 49957 transitions. [2022-07-22 12:22:20,171 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3497 [2022-07-22 12:22:20,183 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3878 [2022-07-22 12:22:20,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9482 states and 49957 transitions. [2022-07-22 12:22:20,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:20,184 INFO L220 hiAutomatonCegarLoop]: Abstraction has 9482 states and 49957 transitions. [2022-07-22 12:22:20,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9482 states and 49957 transitions. [2022-07-22 12:22:20,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9482 to 7353. [2022-07-22 12:22:20,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7353 states, 7353 states have (on average 5.264653882768938) internal successors, (38711), 7352 states have internal predecessors, (38711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:20,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7353 states to 7353 states and 38711 transitions. [2022-07-22 12:22:20,432 INFO L242 hiAutomatonCegarLoop]: Abstraction has 7353 states and 38711 transitions. [2022-07-22 12:22:20,432 INFO L425 stractBuchiCegarLoop]: Abstraction has 7353 states and 38711 transitions. [2022-07-22 12:22:20,433 INFO L332 stractBuchiCegarLoop]: ======== Iteration 24 ============ [2022-07-22 12:22:20,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7353 states and 38711 transitions. [2022-07-22 12:22:20,622 INFO L131 ngComponentsAnalysis]: Automaton has 218 accepting balls. 382 [2022-07-22 12:22:20,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:20,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:20,623 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:20,623 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:22:20,624 INFO L748 eck$LassoCheckResult]: Stem: 294871#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 294563#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 292763#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 292765#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 293635#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 295545#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 295535#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 295287#[L89-4, thread2ENTRY, L41-4]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 295289#[L89-4, L41-4, L51-4]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 293069#[L89-4, L41-4, L51-4]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 302197#[L51-4, L41-4, L90-3]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 305479#[thread3ENTRY, L90-4, L41-4, L51-4]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 305459#[thread3ENTRY, L90-4, L41-4, L51-4]don't care [2022-07-22 12:22:20,625 INFO L750 eck$LassoCheckResult]: Loop: 305459#[thread3ENTRY, L90-4, L41-4, L51-4]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 305459#[thread3ENTRY, L90-4, L41-4, L51-4]don't care [2022-07-22 12:22:20,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:20,625 INFO L85 PathProgramCache]: Analyzing trace with hash 2856799, now seen corresponding path program 3 times [2022-07-22 12:22:20,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:20,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277267105] [2022-07-22 12:22:20,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:20,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:20,661 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:20,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:20,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:20,694 INFO L85 PathProgramCache]: Analyzing trace with hash 499, now seen corresponding path program 7 times [2022-07-22 12:22:20,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:20,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821411691] [2022-07-22 12:22:20,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:20,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:20,701 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:20,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:20,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:20,706 INFO L85 PathProgramCache]: Analyzing trace with hash 88561237, now seen corresponding path program 4 times [2022-07-22 12:22:20,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:20,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138759810] [2022-07-22 12:22:20,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:20,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:20,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:20,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:20,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138759810] [2022-07-22 12:22:20,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138759810] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:22:20,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274035103] [2022-07-22 12:22:20,765 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-22 12:22:20,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:22:20,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:20,767 INFO L229 MonitoredProcess]: Starting monitored process 306 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:22:20,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (306)] Waiting until timeout for monitored process [2022-07-22 12:22:20,884 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-22 12:22:20,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 12:22:20,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-22 12:22:20,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:20,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:20,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 12:22:20,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:20,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274035103] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 12:22:20,950 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 12:22:20,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 4 [2022-07-22 12:22:20,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270091831] [2022-07-22 12:22:20,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 12:22:21,005 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:21,005 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:21,005 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:21,005 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:21,006 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:21,006 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:21,006 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:21,006 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:21,006 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration24_Loop [2022-07-22 12:22:21,006 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:21,006 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:21,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,136 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:21,136 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:21,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:21,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:21,137 INFO L229 MonitoredProcess]: Starting monitored process 307 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:21,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Waiting until timeout for monitored process [2022-07-22 12:22:21,139 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:21,139 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:21,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (307)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:21,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:21,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:21,169 INFO L229 MonitoredProcess]: Starting monitored process 308 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:21,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Waiting until timeout for monitored process [2022-07-22 12:22:21,170 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:21,170 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:21,204 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:21,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (308)] Ended with exit code 0 [2022-07-22 12:22:21,207 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:21,207 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:21,207 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:21,207 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:21,207 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:21,207 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:21,208 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:21,208 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:21,208 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration24_Loop [2022-07-22 12:22:21,208 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:21,208 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:21,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:21,339 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:21,339 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:21,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:21,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:21,340 INFO L229 MonitoredProcess]: Starting monitored process 309 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:21,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Waiting until timeout for monitored process [2022-07-22 12:22:21,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:21,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:21,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:21,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:21,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:21,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:21,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:21,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:21,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:21,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (309)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:21,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:21,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:21,374 INFO L229 MonitoredProcess]: Starting monitored process 310 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:21,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:21,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:21,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:21,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:21,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:21,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:21,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:21,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Waiting until timeout for monitored process [2022-07-22 12:22:21,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:21,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (310)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:21,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:21,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:21,414 INFO L229 MonitoredProcess]: Starting monitored process 311 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:21,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Waiting until timeout for monitored process [2022-07-22 12:22:21,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:21,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:21,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:21,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:21,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:21,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:21,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:21,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:21,425 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:21,428 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:22:21,428 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:22:21,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:21,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:21,430 INFO L229 MonitoredProcess]: Starting monitored process 312 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:21,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Waiting until timeout for monitored process [2022-07-22 12:22:21,432 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:21,432 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:21,432 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:21,432 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter1~0) = 1*~counter1~0 Supporting invariants [] [2022-07-22 12:22:21,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (311)] Ended with exit code 0 [2022-07-22 12:22:21,455 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:21,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:21,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:21,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:21,517 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:22:21,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:21,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:21,519 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:21,519 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7353 states and 38711 transitions. cyclomatic complexity: 33173 Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:21,738 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7353 states and 38711 transitions. cyclomatic complexity: 33173. Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9920 states and 50969 transitions. Complement of second has 3 states. [2022-07-22 12:22:21,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:21,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:21,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 28 transitions. [2022-07-22 12:22:21,739 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 12 letters. Loop has 1 letters. [2022-07-22 12:22:21,739 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:21,739 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:22:21,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:21,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:21,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:21,792 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:22:21,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:21,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:21,793 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:21,794 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7353 states and 38711 transitions. cyclomatic complexity: 33173 Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:21,988 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7353 states and 38711 transitions. cyclomatic complexity: 33173. Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9920 states and 50969 transitions. Complement of second has 3 states. [2022-07-22 12:22:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:21,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:21,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 28 transitions. [2022-07-22 12:22:21,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 12 letters. Loop has 1 letters. [2022-07-22 12:22:21,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:21,989 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:22:21,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:22,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:22,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:22,102 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:22:22,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:22,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:22,103 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:22,103 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7353 states and 38711 transitions. cyclomatic complexity: 33173 Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:22,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (312)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:22,225 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7353 states and 38711 transitions. cyclomatic complexity: 33173. Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 8787 states and 45405 transitions. Complement of second has 2 states. [2022-07-22 12:22:22,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:22,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 29 transitions. [2022-07-22 12:22:22,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 12 letters. Loop has 1 letters. [2022-07-22 12:22:22,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:22,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 13 letters. Loop has 1 letters. [2022-07-22 12:22:22,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:22,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-22 12:22:22,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:22,228 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8787 states and 45405 transitions. [2022-07-22 12:22:22,325 INFO L131 ngComponentsAnalysis]: Automaton has 148 accepting balls. 370 [2022-07-22 12:22:22,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8787 states to 8034 states and 41338 transitions. [2022-07-22 12:22:22,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3024 [2022-07-22 12:22:22,402 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3203 [2022-07-22 12:22:22,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8034 states and 41338 transitions. [2022-07-22 12:22:22,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:22,402 INFO L220 hiAutomatonCegarLoop]: Abstraction has 8034 states and 41338 transitions. [2022-07-22 12:22:22,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8034 states and 41338 transitions. [2022-07-22 12:22:22,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8034 to 6252. [2022-07-22 12:22:22,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6252 states, 6252 states have (on average 5.277991042866283) internal successors, (32998), 6251 states have internal predecessors, (32998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:22,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6252 states to 6252 states and 32998 transitions. [2022-07-22 12:22:22,830 INFO L242 hiAutomatonCegarLoop]: Abstraction has 6252 states and 32998 transitions. [2022-07-22 12:22:22,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:22,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 12:22:22,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-22 12:22:22,833 INFO L87 Difference]: Start difference. First operand 6252 states and 32998 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:23,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:23,019 INFO L93 Difference]: Finished difference Result 12762 states and 63807 transitions. [2022-07-22 12:22:23,019 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12762 states and 63807 transitions. [2022-07-22 12:22:23,174 INFO L131 ngComponentsAnalysis]: Automaton has 306 accepting balls. 658 [2022-07-22 12:22:23,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12762 states to 12367 states and 61651 transitions. [2022-07-22 12:22:23,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5119 [2022-07-22 12:22:23,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5446 [2022-07-22 12:22:23,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12367 states and 61651 transitions. [2022-07-22 12:22:23,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:23,498 INFO L220 hiAutomatonCegarLoop]: Abstraction has 12367 states and 61651 transitions. [2022-07-22 12:22:23,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12367 states and 61651 transitions. [2022-07-22 12:22:23,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12367 to 9112. [2022-07-22 12:22:23,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9112 states, 9112 states have (on average 5.311457418788411) internal successors, (48398), 9111 states have internal predecessors, (48398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:23,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9112 states to 9112 states and 48398 transitions. [2022-07-22 12:22:23,788 INFO L242 hiAutomatonCegarLoop]: Abstraction has 9112 states and 48398 transitions. [2022-07-22 12:22:23,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 12:22:23,789 INFO L425 stractBuchiCegarLoop]: Abstraction has 9112 states and 48398 transitions. [2022-07-22 12:22:23,789 INFO L332 stractBuchiCegarLoop]: ======== Iteration 25 ============ [2022-07-22 12:22:23,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9112 states and 48398 transitions. [2022-07-22 12:22:23,853 INFO L131 ngComponentsAnalysis]: Automaton has 174 accepting balls. 402 [2022-07-22 12:22:23,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:23,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:23,854 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:23,854 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:22:23,855 INFO L748 eck$LassoCheckResult]: Stem: 363598#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 363296#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 361564#[thread1ENTRY, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 361568#[L89-3, thread1ENTRY]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 363122#[L89-4, thread2ENTRY, thread1ENTRY]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 363176#[thread2ENTRY, L90-3, thread1ENTRY]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 362136#[thread2ENTRY, thread3ENTRY, L90-4, thread1ENTRY]don't care [354] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 362138#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 363034#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [477] L90-4-->L91-3: Formula: (and (= |v_#pthreadsForks_55| (+ |v_#pthreadsForks_56| 1)) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (select |v_#length_77| |v_ULTIMATE.start_main_~#t4~0#1.base_29|)) (= |v_#memory_int_67| (store |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29| (store (select |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) |v_ULTIMATE.start_main_~#t4~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre16#1_17|))) (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (= |v_ULTIMATE.start_main_#t~pre16#1_17| |v_#pthreadsForks_56|) (= (select |v_#valid_122| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_56|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_68|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|} OutVars{#pthreadsForks=|v_#pthreadsForks_55|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_19|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_67|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_17|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_9|} AuxVars[] AssignedVars[#pthreadsForks, ULTIMATE.start_main_#t~pre14#1, #memory_int, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_#t~nondet15#1] 363698#[L91-3, thread2ENTRY, thread1ENTRY, L62-4]don't care [382] L91-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= |v_ULTIMATE.start_main_#t~pre16#1_6| v_thread4Thread1of1ForFork2_thidvar0_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 364708#[L91-4, L62-4, thread2ENTRY, thread4ENTRY, thread1ENTRY]don't care [364] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 364564#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [450] L62-4-->thread3EXIT: Formula: (and (= |v_thread3Thread1of1ForFork0_#res.base_9| 0) (= |v_thread3Thread1of1ForFork0_#res.offset_9| 0) (not (< v_thread3Thread1of1ForFork0_~i~2_19 v_~N~0_29))) InVars {thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_19, ~N~0=v_~N~0_29} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_9|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_19, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_9|, ~N~0=v_~N~0_29} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_#res.base] 363090#[thread3EXIT, L91-4, thread2ENTRY, L72-4, thread1ENTRY]don't care [2022-07-22 12:22:23,855 INFO L750 eck$LassoCheckResult]: Loop: 363090#[thread3EXIT, L91-4, thread2ENTRY, L72-4, thread1ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 363090#[thread3EXIT, L91-4, thread2ENTRY, L72-4, thread1ENTRY]don't care [2022-07-22 12:22:23,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:23,855 INFO L85 PathProgramCache]: Analyzing trace with hash 621472682, now seen corresponding path program 1 times [2022-07-22 12:22:23,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:23,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791697467] [2022-07-22 12:22:23,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:23,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:23,870 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:23,883 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:23,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:23,884 INFO L85 PathProgramCache]: Analyzing trace with hash 500, now seen corresponding path program 2 times [2022-07-22 12:22:23,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:23,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198745267] [2022-07-22 12:22:23,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:23,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:23,888 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:23,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:23,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:23,892 INFO L85 PathProgramCache]: Analyzing trace with hash 2085784427, now seen corresponding path program 1 times [2022-07-22 12:22:23,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:23,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239275746] [2022-07-22 12:22:23,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:23,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:23,908 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:24,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:24,133 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:24,134 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:24,134 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:24,134 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:24,134 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:24,134 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:24,134 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:24,135 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:24,135 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration25_Loop [2022-07-22 12:22:24,135 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:24,135 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:24,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,259 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:24,259 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:24,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:24,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:24,261 INFO L229 MonitoredProcess]: Starting monitored process 313 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:24,268 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:24,268 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:24,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Waiting until timeout for monitored process [2022-07-22 12:22:24,286 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:24,286 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_49=3} Honda state: {v_rep#funAddr~thread4.offset_49=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:24,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (313)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:24,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:24,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:24,324 INFO L229 MonitoredProcess]: Starting monitored process 314 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:24,326 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:24,326 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:24,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Waiting until timeout for monitored process [2022-07-22 12:22:24,346 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:24,346 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=1} Honda state: {thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:24,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (314)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:24,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:24,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:24,383 INFO L229 MonitoredProcess]: Starting monitored process 315 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:24,384 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:24,385 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:24,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Waiting until timeout for monitored process [2022-07-22 12:22:24,410 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:24,410 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_49=-1} Honda state: {v_rep#funAddr~thread4.base_49=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:24,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (315)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:24,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:24,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:24,444 INFO L229 MonitoredProcess]: Starting monitored process 316 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:24,447 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:24,447 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:24,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Waiting until timeout for monitored process [2022-07-22 12:22:24,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (316)] Ended with exit code 0 [2022-07-22 12:22:24,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:24,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:24,496 INFO L229 MonitoredProcess]: Starting monitored process 317 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:24,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Waiting until timeout for monitored process [2022-07-22 12:22:24,497 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:24,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:24,531 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:24,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (317)] Ended with exit code 0 [2022-07-22 12:22:24,537 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:24,537 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:24,537 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:24,537 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:24,537 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:24,537 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:24,538 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:24,538 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:24,538 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration25_Loop [2022-07-22 12:22:24,538 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:24,538 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:24,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:24,663 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:24,664 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:24,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:24,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:24,665 INFO L229 MonitoredProcess]: Starting monitored process 318 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:24,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Waiting until timeout for monitored process [2022-07-22 12:22:24,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:24,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:24,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:24,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:24,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:24,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:24,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:24,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:24,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (318)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:24,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:24,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:24,701 INFO L229 MonitoredProcess]: Starting monitored process 319 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:24,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Waiting until timeout for monitored process [2022-07-22 12:22:24,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:24,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:24,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:24,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:24,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:24,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:24,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:24,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:24,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (319)] Ended with exit code 0 [2022-07-22 12:22:24,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:24,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:24,737 INFO L229 MonitoredProcess]: Starting monitored process 320 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:24,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Waiting until timeout for monitored process [2022-07-22 12:22:24,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:24,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:24,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:24,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:24,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:24,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:24,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:24,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:24,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (320)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:24,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:24,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:24,773 INFO L229 MonitoredProcess]: Starting monitored process 321 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:24,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Waiting until timeout for monitored process [2022-07-22 12:22:24,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:24,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:24,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:24,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:24,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:24,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:24,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:24,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:24,784 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:24,788 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-07-22 12:22:24,788 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:22:24,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:24,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:24,789 INFO L229 MonitoredProcess]: Starting monitored process 322 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:24,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Waiting until timeout for monitored process [2022-07-22 12:22:24,791 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:24,791 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:24,791 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:24,792 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter2~0) = 1*~counter2~0 Supporting invariants [] [2022-07-22 12:22:24,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (321)] Ended with exit code 0 [2022-07-22 12:22:24,813 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:24,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:24,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:24,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:24,876 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:22:24,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:24,877 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:24,877 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9112 states and 48398 transitions. cyclomatic complexity: 41236 Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:25,041 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9112 states and 48398 transitions. cyclomatic complexity: 41236. Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10333 states and 52840 transitions. Complement of second has 3 states. [2022-07-22 12:22:25,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:25,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:25,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 26 transitions. [2022-07-22 12:22:25,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 26 transitions. Stem has 12 letters. Loop has 1 letters. [2022-07-22 12:22:25,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:25,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 26 transitions. Stem has 13 letters. Loop has 1 letters. [2022-07-22 12:22:25,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:25,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 26 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-22 12:22:25,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:25,042 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10333 states and 52840 transitions. [2022-07-22 12:22:25,177 INFO L131 ngComponentsAnalysis]: Automaton has 173 accepting balls. 401 [2022-07-22 12:22:25,280 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10333 states to 10333 states and 52840 transitions. [2022-07-22 12:22:25,280 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3906 [2022-07-22 12:22:25,294 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4073 [2022-07-22 12:22:25,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10333 states and 52840 transitions. [2022-07-22 12:22:25,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:25,295 INFO L220 hiAutomatonCegarLoop]: Abstraction has 10333 states and 52840 transitions. [2022-07-22 12:22:25,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10333 states and 52840 transitions. [2022-07-22 12:22:25,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (322)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:25,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10333 to 9184. [2022-07-22 12:22:25,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9184 states, 9184 states have (on average 5.300522648083624) internal successors, (48680), 9183 states have internal predecessors, (48680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9184 states to 9184 states and 48680 transitions. [2022-07-22 12:22:25,777 INFO L242 hiAutomatonCegarLoop]: Abstraction has 9184 states and 48680 transitions. [2022-07-22 12:22:25,778 INFO L425 stractBuchiCegarLoop]: Abstraction has 9184 states and 48680 transitions. [2022-07-22 12:22:25,778 INFO L332 stractBuchiCegarLoop]: ======== Iteration 26 ============ [2022-07-22 12:22:25,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9184 states and 48680 transitions. [2022-07-22 12:22:25,842 INFO L131 ngComponentsAnalysis]: Automaton has 173 accepting balls. 401 [2022-07-22 12:22:25,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:25,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:25,844 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:25,844 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:22:25,845 INFO L748 eck$LassoCheckResult]: Stem: 392282#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 391970#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 390174#[thread1ENTRY, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 390178#[L89-3, thread1ENTRY]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 391768#[L89-4, thread2ENTRY, thread1ENTRY]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 391820#[thread2ENTRY, L90-3, thread1ENTRY]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 390752#[thread2ENTRY, thread3ENTRY, L90-4, thread1ENTRY]don't care [354] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 390754#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 391676#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [477] L90-4-->L91-3: Formula: (and (= |v_#pthreadsForks_55| (+ |v_#pthreadsForks_56| 1)) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (select |v_#length_77| |v_ULTIMATE.start_main_~#t4~0#1.base_29|)) (= |v_#memory_int_67| (store |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29| (store (select |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) |v_ULTIMATE.start_main_~#t4~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre16#1_17|))) (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (= |v_ULTIMATE.start_main_#t~pre16#1_17| |v_#pthreadsForks_56|) (= (select |v_#valid_122| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_56|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_68|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|} OutVars{#pthreadsForks=|v_#pthreadsForks_55|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_19|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_67|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_17|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_9|} AuxVars[] AssignedVars[#pthreadsForks, ULTIMATE.start_main_#t~pre14#1, #memory_int, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_#t~nondet15#1] 392494#[L91-3, thread2ENTRY, thread1ENTRY, L62-4]don't care [382] L91-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= |v_ULTIMATE.start_main_#t~pre16#1_6| v_thread4Thread1of1ForFork2_thidvar0_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 392490#[L91-4, L62-4, thread2ENTRY, thread4ENTRY, thread1ENTRY]don't care [364] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 390310#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [443] L91-4-->L92-1: Formula: (and (= |v_ULTIMATE.start_main_#t~mem18#1_10| (select (select |v_#memory_int_39| |v_ULTIMATE.start_main_~#t1~0#1.base_17|) |v_ULTIMATE.start_main_~#t1~0#1.offset_15|)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_15|) (= (select |v_#valid_80| |v_ULTIMATE.start_main_~#t1~0#1.base_17|) 1) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_15|) (select |v_#length_49| |v_ULTIMATE.start_main_~#t1~0#1.base_17|))) InVars {#valid=|v_#valid_80|, #memory_int=|v_#memory_int_39|, #length=|v_#length_49|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_15|} OutVars{ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_10|, #valid=|v_#valid_80|, #memory_int=|v_#memory_int_39|, #length=|v_#length_49|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_9|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_17|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_5|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_#t~nondet17#1] 390776#[L62-4, thread2ENTRY, L92-1, L72-4, thread1ENTRY]don't care [2022-07-22 12:22:25,845 INFO L750 eck$LassoCheckResult]: Loop: 390776#[L62-4, thread2ENTRY, L92-1, L72-4, thread1ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 390776#[L62-4, thread2ENTRY, L92-1, L72-4, thread1ENTRY]don't care [2022-07-22 12:22:25,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:25,845 INFO L85 PathProgramCache]: Analyzing trace with hash 621472675, now seen corresponding path program 1 times [2022-07-22 12:22:25,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:25,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556621968] [2022-07-22 12:22:25,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:25,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:25,861 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:25,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:25,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:25,877 INFO L85 PathProgramCache]: Analyzing trace with hash 500, now seen corresponding path program 3 times [2022-07-22 12:22:25,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:25,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265889762] [2022-07-22 12:22:25,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:25,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:25,881 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:25,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:25,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:25,886 INFO L85 PathProgramCache]: Analyzing trace with hash 2085784210, now seen corresponding path program 1 times [2022-07-22 12:22:25,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:25,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972084135] [2022-07-22 12:22:25,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:25,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:25,905 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:25,920 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:25,965 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:25,965 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:25,965 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:25,965 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:25,965 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:25,965 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:25,966 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:25,966 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:25,966 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration26_Loop [2022-07-22 12:22:25,966 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:25,966 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:25,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:25,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:25,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:25,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:25,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:25,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:25,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:25,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:25,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:25,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:25,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:25,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:25,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:26,094 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:26,094 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:26,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:26,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:26,098 INFO L229 MonitoredProcess]: Starting monitored process 323 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:26,105 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:26,105 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:26,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Waiting until timeout for monitored process [2022-07-22 12:22:26,132 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:26,132 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_51=-1} Honda state: {v_rep#funAddr~thread1.base_51=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:26,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (323)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:26,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:26,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:26,185 INFO L229 MonitoredProcess]: Starting monitored process 324 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:26,187 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:26,187 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:26,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Waiting until timeout for monitored process [2022-07-22 12:22:26,210 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:26,210 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_51=0} Honda state: {v_rep#funAddr~thread1.offset_51=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:26,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (324)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:26,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:26,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:26,260 INFO L229 MonitoredProcess]: Starting monitored process 325 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:26,262 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:26,262 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:26,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Waiting until timeout for monitored process [2022-07-22 12:22:26,282 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:26,282 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_51=-1} Honda state: {v_rep#funAddr~thread2.base_51=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:26,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (325)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:26,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:26,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:26,324 INFO L229 MonitoredProcess]: Starting monitored process 326 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:26,326 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:26,326 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:26,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Waiting until timeout for monitored process [2022-07-22 12:22:26,344 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:26,344 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread4Thread1of1ForFork2_#t~post7#1=0} Honda state: {thread4Thread1of1ForFork2_#t~post7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:26,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (326)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:26,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:26,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:26,382 INFO L229 MonitoredProcess]: Starting monitored process 327 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:26,384 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:26,384 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:26,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Waiting until timeout for monitored process [2022-07-22 12:22:26,403 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:26,403 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_51=-1} Honda state: {v_rep#funAddr~thread4.base_51=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:26,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (327)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:26,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:26,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:26,441 INFO L229 MonitoredProcess]: Starting monitored process 328 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:26,443 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:26,443 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:26,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Waiting until timeout for monitored process [2022-07-22 12:22:26,460 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:26,460 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_51=-1} Honda state: {v_rep#funAddr~thread3.base_51=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:26,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (328)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:26,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:26,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:26,498 INFO L229 MonitoredProcess]: Starting monitored process 329 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:26,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:26,500 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:26,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Waiting until timeout for monitored process [2022-07-22 12:22:26,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (329)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:26,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:26,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:26,554 INFO L229 MonitoredProcess]: Starting monitored process 330 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:26,556 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:26,556 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:26,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Waiting until timeout for monitored process [2022-07-22 12:22:26,606 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:26,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (330)] Ended with exit code 0 [2022-07-22 12:22:26,608 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:26,608 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:26,608 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:26,608 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:26,609 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:26,609 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:26,609 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:26,609 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:26,609 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration26_Loop [2022-07-22 12:22:26,609 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:26,609 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:26,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:26,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:26,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:26,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:26,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:26,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:26,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:26,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:26,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:26,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:26,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:26,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:26,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:26,730 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:26,730 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:26,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:26,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:26,731 INFO L229 MonitoredProcess]: Starting monitored process 331 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:26,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Waiting until timeout for monitored process [2022-07-22 12:22:26,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:26,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:26,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:26,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:26,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:26,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:26,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:26,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:26,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (331)] Ended with exit code 0 [2022-07-22 12:22:26,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:26,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:26,772 INFO L229 MonitoredProcess]: Starting monitored process 332 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:26,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Waiting until timeout for monitored process [2022-07-22 12:22:26,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:26,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:26,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:26,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:26,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:26,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:26,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:26,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:26,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (332)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:26,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:26,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:26,806 INFO L229 MonitoredProcess]: Starting monitored process 333 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:26,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Waiting until timeout for monitored process [2022-07-22 12:22:26,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:26,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:26,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:26,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:26,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:26,815 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:26,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:26,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:26,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (333)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:26,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:26,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:26,841 INFO L229 MonitoredProcess]: Starting monitored process 334 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:26,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Waiting until timeout for monitored process [2022-07-22 12:22:26,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:26,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:26,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:26,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:26,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:26,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:26,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:26,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:26,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:26,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (334)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:26,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:26,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:26,874 INFO L229 MonitoredProcess]: Starting monitored process 335 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:26,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (335)] Waiting until timeout for monitored process [2022-07-22 12:22:27,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:27,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:27,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:27,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:27,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:27,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:27,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:27,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:27,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (335)] Ended with exit code 0 [2022-07-22 12:22:27,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:27,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:27,078 INFO L229 MonitoredProcess]: Starting monitored process 336 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:27,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Waiting until timeout for monitored process [2022-07-22 12:22:27,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:27,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:27,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:27,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:27,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:27,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:27,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:27,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:27,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (336)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:27,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:27,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:27,112 INFO L229 MonitoredProcess]: Starting monitored process 337 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:27,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Waiting until timeout for monitored process [2022-07-22 12:22:27,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:27,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:27,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:27,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:27,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:27,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:27,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:27,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:27,130 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:27,132 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-07-22 12:22:27,132 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:22:27,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:27,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:27,133 INFO L229 MonitoredProcess]: Starting monitored process 338 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:27,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Waiting until timeout for monitored process [2022-07-22 12:22:27,134 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:27,134 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:27,134 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:27,134 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter2~0) = 1*~counter2~0 Supporting invariants [] [2022-07-22 12:22:27,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (337)] Ended with exit code 0 [2022-07-22 12:22:27,156 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:27,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:27,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:27,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:27,221 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:22:27,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:27,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:27,221 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:27,222 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9184 states and 48680 transitions. cyclomatic complexity: 41451 Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:27,342 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9184 states and 48680 transitions. cyclomatic complexity: 41451. Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10896 states and 56155 transitions. Complement of second has 3 states. [2022-07-22 12:22:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:27,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:27,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 22 transitions. [2022-07-22 12:22:27,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 12 letters. Loop has 1 letters. [2022-07-22 12:22:27,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:27,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 13 letters. Loop has 1 letters. [2022-07-22 12:22:27,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:27,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-22 12:22:27,345 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:27,345 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10896 states and 56155 transitions. [2022-07-22 12:22:27,461 INFO L131 ngComponentsAnalysis]: Automaton has 172 accepting balls. 400 [2022-07-22 12:22:27,551 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10896 states to 10896 states and 56155 transitions. [2022-07-22 12:22:27,551 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3878 [2022-07-22 12:22:27,563 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4050 [2022-07-22 12:22:27,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10896 states and 56155 transitions. [2022-07-22 12:22:27,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:27,564 INFO L220 hiAutomatonCegarLoop]: Abstraction has 10896 states and 56155 transitions. [2022-07-22 12:22:27,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10896 states and 56155 transitions. [2022-07-22 12:22:27,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (338)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:27,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10896 to 9231. [2022-07-22 12:22:27,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9231 states, 9231 states have (on average 5.29617592893511) internal successors, (48889), 9230 states have internal predecessors, (48889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:27,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9231 states to 9231 states and 48889 transitions. [2022-07-22 12:22:27,994 INFO L242 hiAutomatonCegarLoop]: Abstraction has 9231 states and 48889 transitions. [2022-07-22 12:22:27,994 INFO L425 stractBuchiCegarLoop]: Abstraction has 9231 states and 48889 transitions. [2022-07-22 12:22:27,994 INFO L332 stractBuchiCegarLoop]: ======== Iteration 27 ============ [2022-07-22 12:22:27,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9231 states and 48889 transitions. [2022-07-22 12:22:28,060 INFO L131 ngComponentsAnalysis]: Automaton has 172 accepting balls. 400 [2022-07-22 12:22:28,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:28,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:28,061 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:28,061 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 12:22:28,062 INFO L748 eck$LassoCheckResult]: Stem: 421659#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 421369#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 419505#[thread1ENTRY, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 419509#[L89-3, thread1ENTRY]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 421179#[L89-4, thread2ENTRY, thread1ENTRY]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 421223#[thread2ENTRY, L90-3, thread1ENTRY]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 420127#[thread2ENTRY, thread3ENTRY, L90-4, thread1ENTRY]don't care [354] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 420129#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 421089#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [477] L90-4-->L91-3: Formula: (and (= |v_#pthreadsForks_55| (+ |v_#pthreadsForks_56| 1)) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (select |v_#length_77| |v_ULTIMATE.start_main_~#t4~0#1.base_29|)) (= |v_#memory_int_67| (store |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29| (store (select |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) |v_ULTIMATE.start_main_~#t4~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre16#1_17|))) (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (= |v_ULTIMATE.start_main_#t~pre16#1_17| |v_#pthreadsForks_56|) (= (select |v_#valid_122| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_56|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_68|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|} OutVars{#pthreadsForks=|v_#pthreadsForks_55|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_19|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_67|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_17|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_9|} AuxVars[] AssignedVars[#pthreadsForks, ULTIMATE.start_main_#t~pre14#1, #memory_int, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_#t~nondet15#1] 421805#[L91-3, thread2ENTRY, thread1ENTRY, L62-4]don't care [382] L91-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= |v_ULTIMATE.start_main_#t~pre16#1_6| v_thread4Thread1of1ForFork2_thidvar0_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 421809#[L91-4, L62-4, thread2ENTRY, thread4ENTRY, thread1ENTRY]don't care [364] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 421975#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 421777#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [2022-07-22 12:22:28,062 INFO L750 eck$LassoCheckResult]: Loop: 421777#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 421771#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 421777#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [2022-07-22 12:22:28,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:28,062 INFO L85 PathProgramCache]: Analyzing trace with hash 621472708, now seen corresponding path program 1 times [2022-07-22 12:22:28,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:28,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034616033] [2022-07-22 12:22:28,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:28,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:28,078 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:28,090 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:28,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:28,090 INFO L85 PathProgramCache]: Analyzing trace with hash 15976, now seen corresponding path program 1 times [2022-07-22 12:22:28,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:28,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658391785] [2022-07-22 12:22:28,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:28,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:28,095 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:28,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:28,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:28,100 INFO L85 PathProgramCache]: Analyzing trace with hash 234833259, now seen corresponding path program 1 times [2022-07-22 12:22:28,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:28,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504776276] [2022-07-22 12:22:28,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:28,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:28,117 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:28,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:28,194 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:28,194 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:28,194 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:28,194 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:28,194 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:28,195 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:28,195 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:28,195 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:28,195 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration27_Loop [2022-07-22 12:22:28,195 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:28,195 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:28,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,331 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:28,332 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:28,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:28,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:28,333 INFO L229 MonitoredProcess]: Starting monitored process 339 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:28,339 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:28,340 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:28,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Waiting until timeout for monitored process [2022-07-22 12:22:28,361 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:28,361 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=1} Honda state: {thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:28,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (339)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:28,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:28,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:28,398 INFO L229 MonitoredProcess]: Starting monitored process 340 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:28,400 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:28,400 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:28,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Waiting until timeout for monitored process [2022-07-22 12:22:28,418 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:28,418 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread4Thread1of1ForFork2_#t~post8#1=0} Honda state: {thread4Thread1of1ForFork2_#t~post8#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:28,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (340)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:28,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:28,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:28,453 INFO L229 MonitoredProcess]: Starting monitored process 341 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:28,454 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:28,454 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:28,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Waiting until timeout for monitored process [2022-07-22 12:22:28,474 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:28,474 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_53=0} Honda state: {v_rep#funAddr~thread1.offset_53=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:28,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (341)] Ended with exit code 0 [2022-07-22 12:22:28,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:28,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:28,501 INFO L229 MonitoredProcess]: Starting monitored process 342 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:28,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Waiting until timeout for monitored process [2022-07-22 12:22:28,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:28,502 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:28,514 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:28,515 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_53=-1} Honda state: {v_rep#funAddr~thread2.base_53=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:28,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (342)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:28,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:28,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:28,537 INFO L229 MonitoredProcess]: Starting monitored process 343 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:28,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Waiting until timeout for monitored process [2022-07-22 12:22:28,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:28,538 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:28,546 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:28,547 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread4Thread1of1ForFork2_#t~post7#1=0} Honda state: {thread4Thread1of1ForFork2_#t~post7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:28,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (343)] Ended with exit code 0 [2022-07-22 12:22:28,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:28,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:28,570 INFO L229 MonitoredProcess]: Starting monitored process 344 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:28,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Waiting until timeout for monitored process [2022-07-22 12:22:28,571 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:28,571 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:28,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (344)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:28,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:28,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:28,602 INFO L229 MonitoredProcess]: Starting monitored process 345 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:28,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Waiting until timeout for monitored process [2022-07-22 12:22:28,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:28,603 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:28,807 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:28,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (345)] Ended with exit code 0 [2022-07-22 12:22:28,810 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:28,810 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:28,810 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:28,810 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:28,810 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:28,811 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:28,811 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:28,811 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:28,811 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration27_Loop [2022-07-22 12:22:28,811 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:28,811 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:28,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:28,951 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:28,952 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:28,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:28,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:28,953 INFO L229 MonitoredProcess]: Starting monitored process 346 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:28,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Waiting until timeout for monitored process [2022-07-22 12:22:28,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:28,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:28,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:28,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:28,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:28,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:28,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:28,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:28,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (346)] Ended with exit code 0 [2022-07-22 12:22:28,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:28,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:28,986 INFO L229 MonitoredProcess]: Starting monitored process 347 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:28,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Waiting until timeout for monitored process [2022-07-22 12:22:28,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:28,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:28,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:28,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:28,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:29,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:29,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:29,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:29,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (347)] Ended with exit code 0 [2022-07-22 12:22:29,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:29,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:29,056 INFO L229 MonitoredProcess]: Starting monitored process 348 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:29,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:29,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:29,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:29,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:29,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:29,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:29,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:29,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:29,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Waiting until timeout for monitored process [2022-07-22 12:22:29,083 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:29,086 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:22:29,086 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:22:29,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:29,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:29,090 INFO L229 MonitoredProcess]: Starting monitored process 349 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:29,096 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:29,096 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:29,097 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:29,097 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread4Thread1of1ForFork2_~i~3#1) = 1*~N~0 - 1*thread4Thread1of1ForFork2_~i~3#1 Supporting invariants [] [2022-07-22 12:22:29,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Waiting until timeout for monitored process [2022-07-22 12:22:29,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (348)] Ended with exit code 0 [2022-07-22 12:22:29,132 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:29,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:29,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:29,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:29,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:22:29,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:29,224 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:22:29,224 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9231 states and 48889 transitions. cyclomatic complexity: 41644 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:29,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (349)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:29,752 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9231 states and 48889 transitions. cyclomatic complexity: 41644. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12401 states and 65510 transitions. Complement of second has 3 states. [2022-07-22 12:22:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 24 transitions. [2022-07-22 12:22:29,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 24 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-22 12:22:29,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:29,753 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:22:29,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:29,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:29,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:29,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:22:29,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:29,820 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:22:29,820 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9231 states and 48889 transitions. cyclomatic complexity: 41644 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:30,181 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9231 states and 48889 transitions. cyclomatic complexity: 41644. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16329 states and 86688 transitions. Complement of second has 5 states. [2022-07-22 12:22:30,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:30,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:30,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 41 transitions. [2022-07-22 12:22:30,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 41 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-22 12:22:30,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:30,182 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:22:30,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:30,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:30,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:30,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:22:30,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:30,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:30,250 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:22:30,251 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9231 states and 48889 transitions. cyclomatic complexity: 41644 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:30,489 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9231 states and 48889 transitions. cyclomatic complexity: 41644. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12673 states and 67192 transitions. Complement of second has 3 states. [2022-07-22 12:22:30,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:30,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:30,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 29 transitions. [2022-07-22 12:22:30,490 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-22 12:22:30,490 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:30,490 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:22:30,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:30,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:30,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:30,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:22:30,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:30,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:30,585 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:22:30,586 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9231 states and 48889 transitions. cyclomatic complexity: 41644 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:30,895 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9231 states and 48889 transitions. cyclomatic complexity: 41644. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16658 states and 89100 transitions. Complement of second has 5 states. [2022-07-22 12:22:30,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:30,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:30,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2022-07-22 12:22:30,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 46 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-22 12:22:30,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:30,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 46 transitions. Stem has 14 letters. Loop has 2 letters. [2022-07-22 12:22:30,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:30,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 46 transitions. Stem has 12 letters. Loop has 4 letters. [2022-07-22 12:22:30,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:30,897 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16658 states and 89100 transitions. [2022-07-22 12:22:31,093 INFO L131 ngComponentsAnalysis]: Automaton has 406 accepting balls. 968 [2022-07-22 12:22:31,245 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16658 states to 15644 states and 83505 transitions. [2022-07-22 12:22:31,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4478 [2022-07-22 12:22:31,265 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4758 [2022-07-22 12:22:31,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15644 states and 83505 transitions. [2022-07-22 12:22:31,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:31,266 INFO L220 hiAutomatonCegarLoop]: Abstraction has 15644 states and 83505 transitions. [2022-07-22 12:22:31,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15644 states and 83505 transitions. [2022-07-22 12:22:31,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15644 to 11024. [2022-07-22 12:22:31,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11024 states, 11024 states have (on average 5.401034107402032) internal successors, (59541), 11023 states have internal predecessors, (59541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:31,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11024 states to 11024 states and 59541 transitions. [2022-07-22 12:22:31,767 INFO L242 hiAutomatonCegarLoop]: Abstraction has 11024 states and 59541 transitions. [2022-07-22 12:22:31,767 INFO L425 stractBuchiCegarLoop]: Abstraction has 11024 states and 59541 transitions. [2022-07-22 12:22:31,767 INFO L332 stractBuchiCegarLoop]: ======== Iteration 28 ============ [2022-07-22 12:22:31,767 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11024 states and 59541 transitions. [2022-07-22 12:22:31,844 INFO L131 ngComponentsAnalysis]: Automaton has 320 accepting balls. 658 [2022-07-22 12:22:31,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:31,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:31,845 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:31,845 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1] [2022-07-22 12:22:31,846 INFO L748 eck$LassoCheckResult]: Stem: 498341#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 498043#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 496233#[thread1ENTRY, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 496237#[L89-3, thread1ENTRY]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 497847#[L89-4, thread2ENTRY, thread1ENTRY]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 497905#[thread2ENTRY, L90-3, thread1ENTRY]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 496825#[thread2ENTRY, thread3ENTRY, L90-4, thread1ENTRY]don't care [354] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 496827#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [477] L90-4-->L91-3: Formula: (and (= |v_#pthreadsForks_55| (+ |v_#pthreadsForks_56| 1)) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (select |v_#length_77| |v_ULTIMATE.start_main_~#t4~0#1.base_29|)) (= |v_#memory_int_67| (store |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29| (store (select |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) |v_ULTIMATE.start_main_~#t4~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre16#1_17|))) (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (= |v_ULTIMATE.start_main_#t~pre16#1_17| |v_#pthreadsForks_56|) (= (select |v_#valid_122| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_56|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_68|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|} OutVars{#pthreadsForks=|v_#pthreadsForks_55|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_19|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_67|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_17|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_9|} AuxVars[] AssignedVars[#pthreadsForks, ULTIMATE.start_main_#t~pre14#1, #memory_int, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_#t~nondet15#1] 496385#[L91-3, thread2ENTRY, thread1ENTRY, L62-4]don't care [382] L91-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= |v_ULTIMATE.start_main_#t~pre16#1_6| v_thread4Thread1of1ForFork2_thidvar0_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 496391#[L91-4, L62-4, thread2ENTRY, thread4ENTRY, thread1ENTRY]don't care [364] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 496369#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 496849#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 501105#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [2022-07-22 12:22:31,846 INFO L750 eck$LassoCheckResult]: Loop: 501105#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 501333#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 496849#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 501105#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [2022-07-22 12:22:31,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:31,847 INFO L85 PathProgramCache]: Analyzing trace with hash 619552251, now seen corresponding path program 2 times [2022-07-22 12:22:31,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:31,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949226814] [2022-07-22 12:22:31,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:31,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:31,863 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:31,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:31,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:31,875 INFO L85 PathProgramCache]: Analyzing trace with hash 502452, now seen corresponding path program 2 times [2022-07-22 12:22:31,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:31,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885449728] [2022-07-22 12:22:31,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:31,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:31,881 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:31,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:31,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:31,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1607111290, now seen corresponding path program 3 times [2022-07-22 12:22:31,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:31,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078825990] [2022-07-22 12:22:31,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:31,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:31,902 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:31,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:31,994 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:31,994 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:31,994 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:31,994 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:31,994 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:31,994 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:31,995 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:31,995 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:31,995 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration28_Loop [2022-07-22 12:22:31,995 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:31,995 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:31,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,024 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,143 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:32,143 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:32,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:32,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:32,144 INFO L229 MonitoredProcess]: Starting monitored process 350 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:32,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Waiting until timeout for monitored process [2022-07-22 12:22:32,146 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:32,146 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:32,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (350)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:32,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:32,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:32,175 INFO L229 MonitoredProcess]: Starting monitored process 351 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:32,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Waiting until timeout for monitored process [2022-07-22 12:22:32,176 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:32,176 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:32,197 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:32,197 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter2~0=-1} Honda state: {~counter2~0=-1} Generalized eigenvectors: [{~counter2~0=0}, {~counter2~0=1}, {~counter2~0=0}] Lambdas: [10, 1, 9] Nus: [0, 0] [2022-07-22 12:22:32,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (351)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:32,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:32,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:32,220 INFO L229 MonitoredProcess]: Starting monitored process 352 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:32,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Waiting until timeout for monitored process [2022-07-22 12:22:32,221 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:32,221 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:32,233 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:32,233 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=1} Honda state: {thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:32,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (352)] Ended with exit code 0 [2022-07-22 12:22:32,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:32,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:32,256 INFO L229 MonitoredProcess]: Starting monitored process 353 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:32,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Waiting until timeout for monitored process [2022-07-22 12:22:32,256 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:32,256 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:32,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (353)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:32,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:32,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:32,287 INFO L229 MonitoredProcess]: Starting monitored process 354 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:32,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Waiting until timeout for monitored process [2022-07-22 12:22:32,288 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:32,288 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:32,669 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:32,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (354)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:32,672 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:32,672 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:32,672 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:32,672 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:32,672 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:32,672 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:32,672 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:32,672 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:32,672 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration28_Loop [2022-07-22 12:22:32,672 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:32,672 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:32,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:32,812 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:32,812 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:32,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:32,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:32,814 INFO L229 MonitoredProcess]: Starting monitored process 355 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:32,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (355)] Waiting until timeout for monitored process [2022-07-22 12:22:32,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:32,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:32,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:32,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:32,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:32,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:32,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:32,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:32,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:32,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (355)] Ended with exit code 0 [2022-07-22 12:22:32,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:32,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:32,846 INFO L229 MonitoredProcess]: Starting monitored process 356 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:33,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:33,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:33,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:33,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:33,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:33,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:33,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:33,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:33,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (356)] Waiting until timeout for monitored process [2022-07-22 12:22:33,085 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:33,087 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:22:33,088 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:22:33,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:33,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:33,089 INFO L229 MonitoredProcess]: Starting monitored process 357 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:33,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (357)] Waiting until timeout for monitored process [2022-07-22 12:22:33,090 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:33,090 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:33,090 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:33,090 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread3Thread1of1ForFork0_~i~2) = 1*~N~0 - 1*thread3Thread1of1ForFork0_~i~2 Supporting invariants [] [2022-07-22 12:22:33,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (356)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:33,112 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:33,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:33,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:33,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:33,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 12:22:33,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:33,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:33,207 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-07-22 12:22:33,207 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11024 states and 59541 transitions. cyclomatic complexity: 50961 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:33,475 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11024 states and 59541 transitions. cyclomatic complexity: 50961. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15819 states and 85857 transitions. Complement of second has 3 states. [2022-07-22 12:22:33,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:33,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 28 transitions. [2022-07-22 12:22:33,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 12 letters. Loop has 3 letters. [2022-07-22 12:22:33,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:33,477 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:22:33,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:33,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:33,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:33,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 12:22:33,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:33,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:33,544 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2022-07-22 12:22:33,544 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11024 states and 59541 transitions. cyclomatic complexity: 50961 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:34,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (357)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:34,286 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11024 states and 59541 transitions. cyclomatic complexity: 50961. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31406 states and 173763 transitions. Complement of second has 7 states. [2022-07-22 12:22:34,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:34,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:34,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 62 transitions. [2022-07-22 12:22:34,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 62 transitions. Stem has 12 letters. Loop has 3 letters. [2022-07-22 12:22:34,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:34,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 62 transitions. Stem has 15 letters. Loop has 3 letters. [2022-07-22 12:22:34,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:34,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 62 transitions. Stem has 12 letters. Loop has 6 letters. [2022-07-22 12:22:34,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:34,288 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31406 states and 173763 transitions. [2022-07-22 12:22:34,934 INFO L131 ngComponentsAnalysis]: Automaton has 568 accepting balls. 990 [2022-07-22 12:22:35,288 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31406 states to 26888 states and 145885 transitions. [2022-07-22 12:22:35,289 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6928 [2022-07-22 12:22:35,320 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7312 [2022-07-22 12:22:35,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26888 states and 145885 transitions. [2022-07-22 12:22:35,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:35,320 INFO L220 hiAutomatonCegarLoop]: Abstraction has 26888 states and 145885 transitions. [2022-07-22 12:22:35,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26888 states and 145885 transitions. [2022-07-22 12:22:35,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26888 to 18665. [2022-07-22 12:22:35,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18665 states, 18665 states have (on average 5.699115992499331) internal successors, (106374), 18664 states have internal predecessors, (106374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:36,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18665 states to 18665 states and 106374 transitions. [2022-07-22 12:22:36,079 INFO L242 hiAutomatonCegarLoop]: Abstraction has 18665 states and 106374 transitions. [2022-07-22 12:22:36,079 INFO L425 stractBuchiCegarLoop]: Abstraction has 18665 states and 106374 transitions. [2022-07-22 12:22:36,080 INFO L332 stractBuchiCegarLoop]: ======== Iteration 29 ============ [2022-07-22 12:22:36,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18665 states and 106374 transitions. [2022-07-22 12:22:36,223 INFO L131 ngComponentsAnalysis]: Automaton has 352 accepting balls. 726 [2022-07-22 12:22:36,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:36,223 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:36,224 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:36,224 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:22:36,225 INFO L748 eck$LassoCheckResult]: Stem: 567780#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 567484#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 565616#[thread1ENTRY, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 565620#[L89-3, thread1ENTRY]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 567294#[L89-4, thread2ENTRY, thread1ENTRY]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 567346#[thread2ENTRY, L90-3, thread1ENTRY]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 566212#[thread2ENTRY, thread3ENTRY, L90-4, thread1ENTRY]don't care [354] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 566214#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [477] L90-4-->L91-3: Formula: (and (= |v_#pthreadsForks_55| (+ |v_#pthreadsForks_56| 1)) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (select |v_#length_77| |v_ULTIMATE.start_main_~#t4~0#1.base_29|)) (= |v_#memory_int_67| (store |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29| (store (select |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) |v_ULTIMATE.start_main_~#t4~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre16#1_17|))) (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (= |v_ULTIMATE.start_main_#t~pre16#1_17| |v_#pthreadsForks_56|) (= (select |v_#valid_122| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_56|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_68|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|} OutVars{#pthreadsForks=|v_#pthreadsForks_55|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_19|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_67|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_17|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_9|} AuxVars[] AssignedVars[#pthreadsForks, ULTIMATE.start_main_#t~pre14#1, #memory_int, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_#t~nondet15#1] 565766#[L91-3, thread2ENTRY, thread1ENTRY, L62-4]don't care [382] L91-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= |v_ULTIMATE.start_main_#t~pre16#1_6| v_thread4Thread1of1ForFork2_thidvar0_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 565772#[L91-4, L62-4, thread2ENTRY, thread4ENTRY, thread1ENTRY]don't care [364] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 565750#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 576776#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 576620#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 576684#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [2022-07-22 12:22:36,225 INFO L750 eck$LassoCheckResult]: Loop: 576684#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 576684#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [2022-07-22 12:22:36,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:36,225 INFO L85 PathProgramCache]: Analyzing trace with hash 2026251066, now seen corresponding path program 4 times [2022-07-22 12:22:36,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:36,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417853374] [2022-07-22 12:22:36,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:36,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:36,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:36,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417853374] [2022-07-22 12:22:36,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417853374] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:36,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:22:36,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:22:36,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847236307] [2022-07-22 12:22:36,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:36,262 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-07-22 12:22:36,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:36,262 INFO L85 PathProgramCache]: Analyzing trace with hash 500, now seen corresponding path program 4 times [2022-07-22 12:22:36,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:36,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344104129] [2022-07-22 12:22:36,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:36,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:36,267 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:36,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:36,307 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:36,307 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:36,307 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:36,307 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:36,307 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:36,307 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:36,308 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:36,308 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:36,308 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration29_Loop [2022-07-22 12:22:36,308 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:36,308 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:36,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,425 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:36,426 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:36,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:36,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:36,427 INFO L229 MonitoredProcess]: Starting monitored process 358 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:36,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (358)] Waiting until timeout for monitored process [2022-07-22 12:22:36,428 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:36,428 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:36,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (358)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:36,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:36,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:36,458 INFO L229 MonitoredProcess]: Starting monitored process 359 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:36,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (359)] Waiting until timeout for monitored process [2022-07-22 12:22:36,459 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:36,459 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:36,625 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:36,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (359)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:36,627 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:36,627 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:36,628 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:36,628 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:36,628 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:36,628 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:36,628 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:36,628 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:36,628 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration29_Loop [2022-07-22 12:22:36,628 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:36,628 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:36,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:36,748 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:36,748 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:36,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:36,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:36,750 INFO L229 MonitoredProcess]: Starting monitored process 360 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:36,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (360)] Waiting until timeout for monitored process [2022-07-22 12:22:36,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:36,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:36,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:36,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:36,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:36,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:36,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:36,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:36,761 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:36,766 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:22:36,767 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:22:36,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:36,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:36,767 INFO L229 MonitoredProcess]: Starting monitored process 361 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:36,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (361)] Waiting until timeout for monitored process [2022-07-22 12:22:36,769 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:36,769 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:36,769 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:36,769 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread4Thread1of1ForFork2_~i~3#1, ~N~0) = -1*thread4Thread1of1ForFork2_~i~3#1 + 1*~N~0 Supporting invariants [] [2022-07-22 12:22:36,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (360)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:36,791 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:36,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:36,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:36,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:36,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:22:36,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:36,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:36,851 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:36,851 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18665 states and 106374 transitions. cyclomatic complexity: 91488 Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:37,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (361)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:37,382 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18665 states and 106374 transitions. cyclomatic complexity: 91488. Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22314 states and 124596 transitions. Complement of second has 3 states. [2022-07-22 12:22:37,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:37,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:37,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 28 transitions. [2022-07-22 12:22:37,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 13 letters. Loop has 1 letters. [2022-07-22 12:22:37,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:37,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 14 letters. Loop has 1 letters. [2022-07-22 12:22:37,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:37,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 28 transitions. Stem has 13 letters. Loop has 2 letters. [2022-07-22 12:22:37,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:37,384 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22314 states and 124596 transitions. [2022-07-22 12:22:37,994 INFO L131 ngComponentsAnalysis]: Automaton has 358 accepting balls. 744 [2022-07-22 12:22:38,245 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22314 states to 22311 states and 124591 transitions. [2022-07-22 12:22:38,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6005 [2022-07-22 12:22:38,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6153 [2022-07-22 12:22:38,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22311 states and 124591 transitions. [2022-07-22 12:22:38,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:38,268 INFO L220 hiAutomatonCegarLoop]: Abstraction has 22311 states and 124591 transitions. [2022-07-22 12:22:38,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22311 states and 124591 transitions. [2022-07-22 12:22:38,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22311 to 19143. [2022-07-22 12:22:38,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19143 states, 19143 states have (on average 5.671420362534608) internal successors, (108568), 19142 states have internal predecessors, (108568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:39,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19143 states to 19143 states and 108568 transitions. [2022-07-22 12:22:39,100 INFO L242 hiAutomatonCegarLoop]: Abstraction has 19143 states and 108568 transitions. [2022-07-22 12:22:39,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:39,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 12:22:39,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-22 12:22:39,101 INFO L87 Difference]: Start difference. First operand 19143 states and 108568 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:39,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:39,958 INFO L93 Difference]: Finished difference Result 35293 states and 196988 transitions. [2022-07-22 12:22:39,958 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35293 states and 196988 transitions. [2022-07-22 12:22:40,497 INFO L131 ngComponentsAnalysis]: Automaton has 358 accepting balls. 786 [2022-07-22 12:22:41,285 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35293 states to 31105 states and 168029 transitions. [2022-07-22 12:22:41,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8483 [2022-07-22 12:22:41,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8579 [2022-07-22 12:22:41,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31105 states and 168029 transitions. [2022-07-22 12:22:41,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:41,322 INFO L220 hiAutomatonCegarLoop]: Abstraction has 31105 states and 168029 transitions. [2022-07-22 12:22:41,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31105 states and 168029 transitions. [2022-07-22 12:22:42,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31105 to 29672. [2022-07-22 12:22:42,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29672 states, 29672 states have (on average 5.474150714478296) internal successors, (162429), 29671 states have internal predecessors, (162429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:42,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29672 states to 29672 states and 162429 transitions. [2022-07-22 12:22:42,397 INFO L242 hiAutomatonCegarLoop]: Abstraction has 29672 states and 162429 transitions. [2022-07-22 12:22:42,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:22:42,398 INFO L425 stractBuchiCegarLoop]: Abstraction has 29672 states and 162429 transitions. [2022-07-22 12:22:42,398 INFO L332 stractBuchiCegarLoop]: ======== Iteration 30 ============ [2022-07-22 12:22:42,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29672 states and 162429 transitions. [2022-07-22 12:22:43,050 INFO L131 ngComponentsAnalysis]: Automaton has 358 accepting balls. 786 [2022-07-22 12:22:43,051 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:43,051 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:43,056 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:43,056 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 12:22:43,057 INFO L748 eck$LassoCheckResult]: Stem: 701140#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 700816#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 698904#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 698906#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 699798#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 702792#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 702782#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 702774#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 702738#[L89-4, thread2ENTRY, L41-4]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 702740#[L89-4, L41-4, L51-4]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 714654#[L51-4, L41-4, L90-3]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 714652#[thread3ENTRY, L90-4, L41-4, L51-4]don't care [354] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 714496#[L90-4, L41-4, L51-4, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 712196#[L90-4, L41-4, L51-4, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 712150#[L90-4, L41-4, L51-4, L62-4]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 712128#[L90-4, L41-4, L51-4, L62-4]don't care [2022-07-22 12:22:43,057 INFO L750 eck$LassoCheckResult]: Loop: 712128#[L90-4, L41-4, L51-4, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 712132#[L90-4, L41-4, L51-4, L62-4]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 712128#[L90-4, L41-4, L51-4, L62-4]don't care [2022-07-22 12:22:43,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:43,058 INFO L85 PathProgramCache]: Analyzing trace with hash 246670055, now seen corresponding path program 1 times [2022-07-22 12:22:43,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:43,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924201058] [2022-07-22 12:22:43,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:43,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:43,105 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:43,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:43,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:43,131 INFO L85 PathProgramCache]: Analyzing trace with hash 16185, now seen corresponding path program 1 times [2022-07-22 12:22:43,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:43,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825235212] [2022-07-22 12:22:43,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:43,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:43,146 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:43,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:43,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:43,153 INFO L85 PathProgramCache]: Analyzing trace with hash 826736799, now seen corresponding path program 2 times [2022-07-22 12:22:43,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:43,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102489573] [2022-07-22 12:22:43,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:43,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:43,178 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:43,197 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:43,261 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:43,262 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:43,262 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:43,262 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:43,262 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:43,262 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:43,262 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:43,262 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:43,263 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration30_Loop [2022-07-22 12:22:43,263 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:43,263 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:43,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,421 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:43,422 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:43,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:43,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:43,423 INFO L229 MonitoredProcess]: Starting monitored process 362 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:43,425 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:43,426 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:43,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (362)] Waiting until timeout for monitored process [2022-07-22 12:22:43,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (362)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:43,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:43,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:43,482 INFO L229 MonitoredProcess]: Starting monitored process 363 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:43,488 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:43,488 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:43,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (363)] Waiting until timeout for monitored process [2022-07-22 12:22:43,522 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:43,523 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter2~0=0} Honda state: {~counter2~0=0} Generalized eigenvectors: [{~counter2~0=-2}, {~counter2~0=4}, {~counter2~0=-1}] Lambdas: [1, 1, 1] Nus: [0, 0] [2022-07-22 12:22:43,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (363)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:43,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:43,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:43,549 INFO L229 MonitoredProcess]: Starting monitored process 364 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:43,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (364)] Waiting until timeout for monitored process [2022-07-22 12:22:43,550 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:43,550 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:43,563 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:43,564 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Honda state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:43,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (364)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:43,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:43,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:43,587 INFO L229 MonitoredProcess]: Starting monitored process 365 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:43,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (365)] Waiting until timeout for monitored process [2022-07-22 12:22:43,588 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:43,588 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:43,601 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:43,601 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_59=3} Honda state: {v_rep#funAddr~thread4.offset_59=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:43,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (365)] Ended with exit code 0 [2022-07-22 12:22:43,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:43,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:43,624 INFO L229 MonitoredProcess]: Starting monitored process 366 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:43,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (366)] Waiting until timeout for monitored process [2022-07-22 12:22:43,625 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:43,625 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:43,633 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:43,633 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post3#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:43,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (366)] Ended with exit code 0 [2022-07-22 12:22:43,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:43,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:43,657 INFO L229 MonitoredProcess]: Starting monitored process 367 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:43,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (367)] Waiting until timeout for monitored process [2022-07-22 12:22:43,658 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:43,658 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:43,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (367)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:43,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:43,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:43,688 INFO L229 MonitoredProcess]: Starting monitored process 368 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:43,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (368)] Waiting until timeout for monitored process [2022-07-22 12:22:43,689 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:43,690 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:43,726 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:43,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (368)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:43,728 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:43,728 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:43,729 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:43,729 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:43,729 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:43,729 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:43,729 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:43,729 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:43,729 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration30_Loop [2022-07-22 12:22:43,729 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:43,729 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:43,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:43,892 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:43,892 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:43,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:43,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:43,893 INFO L229 MonitoredProcess]: Starting monitored process 369 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:43,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (369)] Waiting until timeout for monitored process [2022-07-22 12:22:43,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:43,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:43,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:43,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:43,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:43,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:43,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:43,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:43,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (369)] Ended with exit code 0 [2022-07-22 12:22:43,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:43,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:43,928 INFO L229 MonitoredProcess]: Starting monitored process 370 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:43,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (370)] Waiting until timeout for monitored process [2022-07-22 12:22:43,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:43,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:43,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:43,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:43,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:43,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:43,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:43,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:43,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (370)] Ended with exit code 0 [2022-07-22 12:22:43,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:43,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:43,966 INFO L229 MonitoredProcess]: Starting monitored process 371 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:43,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (371)] Waiting until timeout for monitored process [2022-07-22 12:22:43,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:43,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:43,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:43,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:43,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:43,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:43,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:43,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:43,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:43,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (371)] Ended with exit code 0 [2022-07-22 12:22:43,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:43,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:44,000 INFO L229 MonitoredProcess]: Starting monitored process 372 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:44,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (372)] Waiting until timeout for monitored process [2022-07-22 12:22:44,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:44,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:44,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:44,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:44,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:44,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:44,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:44,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:44,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:44,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (372)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:44,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:44,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:44,034 INFO L229 MonitoredProcess]: Starting monitored process 373 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:44,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (373)] Waiting until timeout for monitored process [2022-07-22 12:22:44,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:44,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:44,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:44,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:44,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:44,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:44,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:44,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:44,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:44,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (373)] Ended with exit code 0 [2022-07-22 12:22:44,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:44,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:44,066 INFO L229 MonitoredProcess]: Starting monitored process 374 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:44,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (374)] Waiting until timeout for monitored process [2022-07-22 12:22:44,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:44,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:44,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:44,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:44,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:44,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:44,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:44,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:44,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (374)] Ended with exit code 0 [2022-07-22 12:22:44,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:44,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:44,102 INFO L229 MonitoredProcess]: Starting monitored process 375 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:44,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (375)] Waiting until timeout for monitored process [2022-07-22 12:22:44,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:44,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:44,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:44,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:44,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:44,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:44,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:44,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:44,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:44,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (375)] Ended with exit code 0 [2022-07-22 12:22:44,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:44,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:44,135 INFO L229 MonitoredProcess]: Starting monitored process 376 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:44,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (376)] Waiting until timeout for monitored process [2022-07-22 12:22:44,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:44,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:44,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:44,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:44,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:44,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:44,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:44,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:44,147 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:44,149 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:22:44,149 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:22:44,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:44,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:44,151 INFO L229 MonitoredProcess]: Starting monitored process 377 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:44,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (377)] Waiting until timeout for monitored process [2022-07-22 12:22:44,152 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:44,153 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:44,153 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:44,153 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter1~0) = 1*~counter1~0 Supporting invariants [] [2022-07-22 12:22:44,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (376)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:44,177 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:44,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:44,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:44,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:44,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:22:44,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:44,243 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:22:44,243 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29672 states and 162429 transitions. cyclomatic complexity: 137957 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:45,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (377)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:45,409 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29672 states and 162429 transitions. cyclomatic complexity: 137957. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 62528 states and 337185 transitions. Complement of second has 5 states. [2022-07-22 12:22:45,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:45,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 63 transitions. [2022-07-22 12:22:45,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 63 transitions. Stem has 15 letters. Loop has 2 letters. [2022-07-22 12:22:45,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:45,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 63 transitions. Stem has 17 letters. Loop has 2 letters. [2022-07-22 12:22:45,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:45,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 63 transitions. Stem has 15 letters. Loop has 4 letters. [2022-07-22 12:22:45,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:45,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62528 states and 337185 transitions. [2022-07-22 12:22:46,693 INFO L131 ngComponentsAnalysis]: Automaton has 572 accepting balls. 1132 [2022-07-22 12:22:47,740 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62528 states to 55312 states and 286629 transitions. [2022-07-22 12:22:47,740 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12438 [2022-07-22 12:22:47,790 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12829 [2022-07-22 12:22:47,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55312 states and 286629 transitions. [2022-07-22 12:22:47,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:47,791 INFO L220 hiAutomatonCegarLoop]: Abstraction has 55312 states and 286629 transitions. [2022-07-22 12:22:47,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55312 states and 286629 transitions. [2022-07-22 12:22:49,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55312 to 40417. [2022-07-22 12:22:49,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40417 states, 40417 states have (on average 5.44167058416013) internal successors, (219936), 40416 states have internal predecessors, (219936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:49,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40417 states to 40417 states and 219936 transitions. [2022-07-22 12:22:49,639 INFO L242 hiAutomatonCegarLoop]: Abstraction has 40417 states and 219936 transitions. [2022-07-22 12:22:49,639 INFO L425 stractBuchiCegarLoop]: Abstraction has 40417 states and 219936 transitions. [2022-07-22 12:22:49,639 INFO L332 stractBuchiCegarLoop]: ======== Iteration 31 ============ [2022-07-22 12:22:49,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40417 states and 219936 transitions. [2022-07-22 12:22:50,453 INFO L131 ngComponentsAnalysis]: Automaton has 386 accepting balls. 826 [2022-07-22 12:22:50,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:22:50,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:22:50,460 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:22:50,460 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:22:50,461 INFO L748 eck$LassoCheckResult]: Stem: 823016#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 822674#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 820850#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 820852#[L41-4, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 821698#[L89-3, L41-4]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 824250#[L89-4, thread2ENTRY, L41-4]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 824244#[L41-4, thread2ENTRY, L90-3]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 824246#[thread2ENTRY, thread3ENTRY, L90-4, L41-4]don't care [354] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 825026#[thread2ENTRY, L90-4, L41-4, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 825564#[thread2ENTRY, L90-4, L41-4, L62-4]don't care [477] L90-4-->L91-3: Formula: (and (= |v_#pthreadsForks_55| (+ |v_#pthreadsForks_56| 1)) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (select |v_#length_77| |v_ULTIMATE.start_main_~#t4~0#1.base_29|)) (= |v_#memory_int_67| (store |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29| (store (select |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) |v_ULTIMATE.start_main_~#t4~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre16#1_17|))) (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (= |v_ULTIMATE.start_main_#t~pre16#1_17| |v_#pthreadsForks_56|) (= (select |v_#valid_122| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_56|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_68|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|} OutVars{#pthreadsForks=|v_#pthreadsForks_55|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_19|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_67|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_17|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_9|} AuxVars[] AssignedVars[#pthreadsForks, ULTIMATE.start_main_#t~pre14#1, #memory_int, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_#t~nondet15#1] 825340#[L91-3, thread2ENTRY, L41-4, L62-4]don't care [382] L91-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= |v_ULTIMATE.start_main_#t~pre16#1_6| v_thread4Thread1of1ForFork2_thidvar0_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 825482#[L91-4, L62-4, thread2ENTRY, thread4ENTRY, L41-4]don't care [364] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 830822#[L91-4, thread2ENTRY, L62-4, L72-4, L41-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 830748#[L91-4, thread2ENTRY, L62-4, L72-4, L41-4]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 830754#[L91-4, thread2ENTRY, L62-4, L72-4, L41-4]don't care [461] L41-4-->thread1EXIT: Formula: (and (= |v_thread1Thread1of1ForFork1_#res.base_9| 0) (= |v_thread1Thread1of1ForFork1_#res.offset_9| 0) (not (< v_thread1Thread1of1ForFork1_~i~0_21 v_~N~0_41))) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_21, ~N~0=v_~N~0_41} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_21, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_9|, ~N~0=v_~N~0_41} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#res.offset] 822910#[thread1EXIT, L91-4, thread2ENTRY, L62-4, L72-4]don't care [2022-07-22 12:22:50,461 INFO L750 eck$LassoCheckResult]: Loop: 822910#[thread1EXIT, L91-4, thread2ENTRY, L62-4, L72-4]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 822910#[thread1EXIT, L91-4, thread2ENTRY, L62-4, L72-4]don't care [2022-07-22 12:22:50,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:50,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1602774428, now seen corresponding path program 1 times [2022-07-22 12:22:50,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:50,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931174854] [2022-07-22 12:22:50,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:50,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:50,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:50,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:22:50,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931174854] [2022-07-22 12:22:50,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931174854] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:22:50,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239961339] [2022-07-22 12:22:50,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:50,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:22:50,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:50,527 INFO L229 MonitoredProcess]: Starting monitored process 378 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:22:50,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (378)] Waiting until timeout for monitored process [2022-07-22 12:22:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:50,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 12:22:50,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:50,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:50,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 12:22:50,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239961339] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:22:50,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 12:22:50,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2022-07-22 12:22:50,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472259285] [2022-07-22 12:22:50,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:22:50,709 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-07-22 12:22:50,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:50,710 INFO L85 PathProgramCache]: Analyzing trace with hash 500, now seen corresponding path program 5 times [2022-07-22 12:22:50,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:22:50,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350575891] [2022-07-22 12:22:50,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:22:50,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:22:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:50,715 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:22:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:22:50,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:22:50,750 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:50,750 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:50,751 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:50,751 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:50,751 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:22:50,751 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:50,751 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:50,751 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:50,751 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration31_Loop [2022-07-22 12:22:50,751 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:50,751 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:50,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:50,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:50,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:50,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:50,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:50,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:50,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:50,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:50,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:50,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:50,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:50,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:50,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:50,870 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:50,870 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:22:50,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:50,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:51,082 INFO L229 MonitoredProcess]: Starting monitored process 379 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:51,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (379)] Waiting until timeout for monitored process [2022-07-22 12:22:51,088 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:51,088 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:51,111 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:51,111 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_61=-1} Honda state: {v_rep#funAddr~thread1.base_61=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:51,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (379)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:51,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:51,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:51,146 INFO L229 MonitoredProcess]: Starting monitored process 380 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:51,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (380)] Waiting until timeout for monitored process [2022-07-22 12:22:51,147 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:51,147 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:51,170 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:51,170 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_61=0} Honda state: {v_rep#funAddr~thread1.offset_61=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:51,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (380)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:51,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:51,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:51,204 INFO L229 MonitoredProcess]: Starting monitored process 381 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:51,206 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:51,206 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:51,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (381)] Waiting until timeout for monitored process [2022-07-22 12:22:51,225 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:51,225 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_61=-1} Honda state: {v_rep#funAddr~thread2.base_61=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:51,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (381)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:51,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:51,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:51,259 INFO L229 MonitoredProcess]: Starting monitored process 382 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:51,261 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:51,261 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:51,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (382)] Waiting until timeout for monitored process [2022-07-22 12:22:51,282 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:22:51,282 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread4Thread1of1ForFork2_#t~post8#1=0} Honda state: {thread4Thread1of1ForFork2_#t~post8#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:22:51,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (382)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:51,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:51,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:51,316 INFO L229 MonitoredProcess]: Starting monitored process 383 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:51,318 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:22:51,318 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:51,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (383)] Waiting until timeout for monitored process [2022-07-22 12:22:51,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (383)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:51,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:51,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:51,368 INFO L229 MonitoredProcess]: Starting monitored process 384 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:51,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:22:51,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:22:51,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (384)] Waiting until timeout for monitored process [2022-07-22 12:22:51,614 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:22:51,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (384)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:51,617 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:22:51,617 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:22:51,617 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:22:51,617 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:22:51,617 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:22:51,617 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:51,617 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:22:51,618 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:22:51,618 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration31_Loop [2022-07-22 12:22:51,618 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:22:51,618 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:22:51,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:51,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:51,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:51,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:51,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:51,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:51,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:51,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:51,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:51,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:51,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:51,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:51,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:22:51,943 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:22:51,943 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:22:51,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:51,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:51,947 INFO L229 MonitoredProcess]: Starting monitored process 385 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:51,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:51,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:51,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:51,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:51,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:51,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:51,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:51,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (385)] Waiting until timeout for monitored process [2022-07-22 12:22:51,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:52,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (385)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:52,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:52,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:52,001 INFO L229 MonitoredProcess]: Starting monitored process 386 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:52,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:52,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:52,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:52,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:52,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:52,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:52,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:52,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:52,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (386)] Waiting until timeout for monitored process [2022-07-22 12:22:52,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:52,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (386)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:52,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:52,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:52,054 INFO L229 MonitoredProcess]: Starting monitored process 387 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:52,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:52,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:52,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:52,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:52,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:52,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:52,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:52,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (387)] Waiting until timeout for monitored process [2022-07-22 12:22:52,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:52,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (387)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:52,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:52,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:52,110 INFO L229 MonitoredProcess]: Starting monitored process 388 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:52,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:52,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:52,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:52,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:52,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:52,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:22:52,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:22:52,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (388)] Waiting until timeout for monitored process [2022-07-22 12:22:52,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:22:52,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (388)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:52,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:52,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:52,167 INFO L229 MonitoredProcess]: Starting monitored process 389 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:52,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:22:52,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:22:52,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:22:52,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:22:52,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:22:52,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:22:52,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:22:52,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:22:52,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (389)] Waiting until timeout for monitored process [2022-07-22 12:22:52,188 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:22:52,193 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:22:52,193 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:22:52,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:22:52,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:22:52,201 INFO L229 MonitoredProcess]: Starting monitored process 390 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:22:52,203 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:22:52,203 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:22:52,203 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:22:52,203 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread4Thread1of1ForFork2_~i~3#1, ~N~0) = -1*thread4Thread1of1ForFork2_~i~3#1 + 1*~N~0 Supporting invariants [] [2022-07-22 12:22:52,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (390)] Waiting until timeout for monitored process [2022-07-22 12:22:52,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (389)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:52,235 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:22:52,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:22:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:52,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:22:52,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:22:52,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:22:52,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:22:52,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:22:52,301 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:22:52,301 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40417 states and 219936 transitions. cyclomatic complexity: 187226 Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:52,920 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40417 states and 219936 transitions. cyclomatic complexity: 187226. Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45883 states and 243219 transitions. Complement of second has 3 states. [2022-07-22 12:22:52,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:22:52,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 22 transitions. [2022-07-22 12:22:52,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 15 letters. Loop has 1 letters. [2022-07-22 12:22:52,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:52,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 16 letters. Loop has 1 letters. [2022-07-22 12:22:52,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:52,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 22 transitions. Stem has 15 letters. Loop has 2 letters. [2022-07-22 12:22:52,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:22:52,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45883 states and 243219 transitions. [2022-07-22 12:22:53,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (390)] Forceful destruction successful, exit code 0 [2022-07-22 12:22:53,960 INFO L131 ngComponentsAnalysis]: Automaton has 366 accepting balls. 806 [2022-07-22 12:22:54,883 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45883 states to 45883 states and 243219 transitions. [2022-07-22 12:22:54,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9906 [2022-07-22 12:22:54,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10353 [2022-07-22 12:22:54,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45883 states and 243219 transitions. [2022-07-22 12:22:54,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:54,929 INFO L220 hiAutomatonCegarLoop]: Abstraction has 45883 states and 243219 transitions. [2022-07-22 12:22:54,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45883 states and 243219 transitions. [2022-07-22 12:22:55,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45883 to 40661. [2022-07-22 12:22:55,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40661 states, 40661 states have (on average 5.442979759474681) internal successors, (221317), 40660 states have internal predecessors, (221317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:56,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40661 states to 40661 states and 221317 transitions. [2022-07-22 12:22:56,590 INFO L242 hiAutomatonCegarLoop]: Abstraction has 40661 states and 221317 transitions. [2022-07-22 12:22:56,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:22:56,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 12:22:56,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-07-22 12:22:56,591 INFO L87 Difference]: Start difference. First operand 40661 states and 221317 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:22:57,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:22:57,199 INFO L93 Difference]: Finished difference Result 44662 states and 235864 transitions. [2022-07-22 12:22:57,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44662 states and 235864 transitions. [2022-07-22 12:22:58,450 INFO L131 ngComponentsAnalysis]: Automaton has 514 accepting balls. 1074 [2022-07-22 12:22:59,333 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44662 states to 44635 states and 235710 transitions. [2022-07-22 12:22:59,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11217 [2022-07-22 12:22:59,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11221 [2022-07-22 12:22:59,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44635 states and 235710 transitions. [2022-07-22 12:22:59,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:22:59,375 INFO L220 hiAutomatonCegarLoop]: Abstraction has 44635 states and 235710 transitions. [2022-07-22 12:22:59,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44635 states and 235710 transitions. [2022-07-22 12:23:00,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44635 to 41616. [2022-07-22 12:23:00,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41616 states, 41616 states have (on average 5.412653787004998) internal successors, (225253), 41615 states have internal predecessors, (225253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:01,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41616 states to 41616 states and 225253 transitions. [2022-07-22 12:23:01,070 INFO L242 hiAutomatonCegarLoop]: Abstraction has 41616 states and 225253 transitions. [2022-07-22 12:23:01,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 12:23:01,081 INFO L425 stractBuchiCegarLoop]: Abstraction has 41616 states and 225253 transitions. [2022-07-22 12:23:01,082 INFO L332 stractBuchiCegarLoop]: ======== Iteration 32 ============ [2022-07-22 12:23:01,082 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41616 states and 225253 transitions. [2022-07-22 12:23:01,521 INFO L131 ngComponentsAnalysis]: Automaton has 398 accepting balls. 868 [2022-07-22 12:23:01,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:23:01,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:23:01,523 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:23:01,523 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:23:01,524 INFO L748 eck$LassoCheckResult]: Stem: 1075846#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 1075538#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 1073672#[thread1ENTRY, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 1073676#[L89-3, thread1ENTRY]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 1075352#[L89-4, thread2ENTRY, thread1ENTRY]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 1075396#[thread2ENTRY, L90-3, thread1ENTRY]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 1074282#[thread2ENTRY, thread3ENTRY, L90-4, thread1ENTRY]don't care [354] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 1074284#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 1075256#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 1075978#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [477] L90-4-->L91-3: Formula: (and (= |v_#pthreadsForks_55| (+ |v_#pthreadsForks_56| 1)) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (select |v_#length_77| |v_ULTIMATE.start_main_~#t4~0#1.base_29|)) (= |v_#memory_int_67| (store |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29| (store (select |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) |v_ULTIMATE.start_main_~#t4~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre16#1_17|))) (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (= |v_ULTIMATE.start_main_#t~pre16#1_17| |v_#pthreadsForks_56|) (= (select |v_#valid_122| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_56|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_68|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|} OutVars{#pthreadsForks=|v_#pthreadsForks_55|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_19|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_67|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_17|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_9|} AuxVars[] AssignedVars[#pthreadsForks, ULTIMATE.start_main_#t~pre14#1, #memory_int, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_#t~nondet15#1] 1075970#[L91-3, thread2ENTRY, thread1ENTRY, L62-4]don't care [382] L91-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= |v_ULTIMATE.start_main_#t~pre16#1_6| v_thread4Thread1of1ForFork2_thidvar0_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 1075966#[L91-4, L62-4, thread2ENTRY, thread4ENTRY, thread1ENTRY]don't care [364] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 1076100#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 1079706#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 1079724#[L91-4, L62-4, L72-4, L51-4, thread1ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 1088852#[L91-4, L62-4, L72-4, L51-4, thread1ENTRY]don't care [2022-07-22 12:23:01,524 INFO L750 eck$LassoCheckResult]: Loop: 1088852#[L91-4, L62-4, L72-4, L51-4, thread1ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 1088852#[L91-4, L62-4, L72-4, L51-4, thread1ENTRY]don't care [2022-07-22 12:23:01,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:23:01,524 INFO L85 PathProgramCache]: Analyzing trace with hash 535445264, now seen corresponding path program 1 times [2022-07-22 12:23:01,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:23:01,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304053518] [2022-07-22 12:23:01,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:23:01,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:23:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:23:01,540 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:23:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:23:01,556 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:23:01,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:23:01,557 INFO L85 PathProgramCache]: Analyzing trace with hash 500, now seen corresponding path program 6 times [2022-07-22 12:23:01,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:23:01,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666020767] [2022-07-22 12:23:01,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:23:01,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:23:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:23:01,566 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:23:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:23:01,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:23:01,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:23:01,570 INFO L85 PathProgramCache]: Analyzing trace with hash -581065531, now seen corresponding path program 2 times [2022-07-22 12:23:01,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:23:01,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565414735] [2022-07-22 12:23:01,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:23:01,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:23:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:01,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:23:01,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:23:01,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565414735] [2022-07-22 12:23:01,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565414735] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:23:01,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345254862] [2022-07-22 12:23:01,618 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 12:23:01,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:23:01,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:23:01,619 INFO L229 MonitoredProcess]: Starting monitored process 391 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:23:01,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (391)] Waiting until timeout for monitored process [2022-07-22 12:23:01,756 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 12:23:01,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 12:23:01,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-22 12:23:01,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:01,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:23:01,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 12:23:01,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:23:01,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345254862] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 12:23:01,808 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 12:23:01,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 4 [2022-07-22 12:23:01,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189205710] [2022-07-22 12:23:01,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 12:23:01,849 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:23:01,850 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:23:01,850 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:23:01,850 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:23:01,850 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:23:01,850 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:01,850 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:23:01,850 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:23:01,850 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration32_Loop [2022-07-22 12:23:01,850 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:23:01,850 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:23:01,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:01,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:01,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:01,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:01,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:01,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:01,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:01,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:01,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:01,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:01,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:01,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:01,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:01,966 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:23:01,966 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:23:01,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:01,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:23:01,969 INFO L229 MonitoredProcess]: Starting monitored process 392 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:23:01,975 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:23:01,976 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:23:01,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (392)] Waiting until timeout for monitored process [2022-07-22 12:23:01,995 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:23:01,995 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_63=0} Honda state: {v_rep#funAddr~thread1.offset_63=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:23:02,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (392)] Forceful destruction successful, exit code 0 [2022-07-22 12:23:02,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:02,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:23:02,034 INFO L229 MonitoredProcess]: Starting monitored process 393 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:23:02,036 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:23:02,036 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:23:02,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (393)] Waiting until timeout for monitored process [2022-07-22 12:23:02,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (393)] Forceful destruction successful, exit code 0 [2022-07-22 12:23:02,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:02,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:23:02,093 INFO L229 MonitoredProcess]: Starting monitored process 394 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:23:02,095 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:23:02,095 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:23:02,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (394)] Waiting until timeout for monitored process [2022-07-22 12:23:02,279 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:23:02,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (394)] Forceful destruction successful, exit code 0 [2022-07-22 12:23:02,282 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:23:02,282 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:23:02,282 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:23:02,282 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:23:02,282 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:23:02,282 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:02,282 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:23:02,282 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:23:02,282 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration32_Loop [2022-07-22 12:23:02,282 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:23:02,282 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:23:02,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:02,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:02,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:02,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:02,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:02,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:02,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:02,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:02,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:02,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:02,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:02,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:02,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:02,403 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:23:02,403 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:23:02,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:02,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:23:02,404 INFO L229 MonitoredProcess]: Starting monitored process 395 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:23:02,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (395)] Waiting until timeout for monitored process [2022-07-22 12:23:02,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:23:02,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:23:02,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:23:02,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:23:02,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:23:02,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:23:02,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:23:02,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:23:02,415 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:23:02,417 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:23:02,417 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:23:02,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:02,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:23:02,419 INFO L229 MonitoredProcess]: Starting monitored process 396 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:23:02,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (396)] Waiting until timeout for monitored process [2022-07-22 12:23:02,419 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:23:02,419 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:23:02,420 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:23:02,420 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread4Thread1of1ForFork2_~i~3#1) = 1*~N~0 - 1*thread4Thread1of1ForFork2_~i~3#1 Supporting invariants [] [2022-07-22 12:23:02,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (395)] Ended with exit code 0 [2022-07-22 12:23:02,443 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:23:02,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:23:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:02,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:23:02,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:02,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:23:02,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:02,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:23:02,505 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:23:02,505 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41616 states and 225253 transitions. cyclomatic complexity: 191498 Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:03,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (396)] Forceful destruction successful, exit code 0 [2022-07-22 12:23:03,488 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41616 states and 225253 transitions. cyclomatic complexity: 191498. Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47210 states and 251743 transitions. Complement of second has 3 states. [2022-07-22 12:23:03,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:23:03,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:03,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 27 transitions. [2022-07-22 12:23:03,489 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 15 letters. Loop has 1 letters. [2022-07-22 12:23:03,489 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:23:03,489 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:23:03,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:23:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:03,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:23:03,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:03,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:23:03,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:03,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:23:03,557 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:23:03,558 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41616 states and 225253 transitions. cyclomatic complexity: 191498 Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:04,219 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41616 states and 225253 transitions. cyclomatic complexity: 191498. Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 47210 states and 251743 transitions. Complement of second has 3 states. [2022-07-22 12:23:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:23:04,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:04,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 27 transitions. [2022-07-22 12:23:04,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 15 letters. Loop has 1 letters. [2022-07-22 12:23:04,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:23:04,220 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:23:04,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:23:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:04,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:23:04,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:04,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:23:04,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:04,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:23:04,279 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-22 12:23:04,279 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41616 states and 225253 transitions. cyclomatic complexity: 191498 Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:04,947 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41616 states and 225253 transitions. cyclomatic complexity: 191498. Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50585 states and 264984 transitions. Complement of second has 2 states. [2022-07-22 12:23:04,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:23:04,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 29 transitions. [2022-07-22 12:23:04,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 15 letters. Loop has 1 letters. [2022-07-22 12:23:04,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:23:04,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 16 letters. Loop has 1 letters. [2022-07-22 12:23:04,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:23:04,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 29 transitions. Stem has 15 letters. Loop has 2 letters. [2022-07-22 12:23:04,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:23:04,948 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50585 states and 264984 transitions. [2022-07-22 12:23:05,992 INFO L131 ngComponentsAnalysis]: Automaton has 152 accepting balls. 882 [2022-07-22 12:23:06,499 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50585 states to 45096 states and 225199 transitions. [2022-07-22 12:23:06,499 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8896 [2022-07-22 12:23:06,533 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9019 [2022-07-22 12:23:06,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45096 states and 225199 transitions. [2022-07-22 12:23:06,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:23:06,533 INFO L220 hiAutomatonCegarLoop]: Abstraction has 45096 states and 225199 transitions. [2022-07-22 12:23:06,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45096 states and 225199 transitions. [2022-07-22 12:23:07,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45096 to 37158. [2022-07-22 12:23:07,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37158 states, 37158 states have (on average 5.151003821518919) internal successors, (191401), 37157 states have internal predecessors, (191401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:08,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37158 states to 37158 states and 191401 transitions. [2022-07-22 12:23:08,228 INFO L242 hiAutomatonCegarLoop]: Abstraction has 37158 states and 191401 transitions. [2022-07-22 12:23:08,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:23:08,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 12:23:08,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-22 12:23:08,229 INFO L87 Difference]: Start difference. First operand 37158 states and 191401 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:09,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:23:09,370 INFO L93 Difference]: Finished difference Result 67099 states and 344216 transitions. [2022-07-22 12:23:09,371 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67099 states and 344216 transitions. [2022-07-22 12:23:10,803 INFO L131 ngComponentsAnalysis]: Automaton has 246 accepting balls. 1240 [2022-07-22 12:23:11,840 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67099 states to 64975 states and 331133 transitions. [2022-07-22 12:23:11,840 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13144 [2022-07-22 12:23:11,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13314 [2022-07-22 12:23:11,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64975 states and 331133 transitions. [2022-07-22 12:23:11,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:23:11,896 INFO L220 hiAutomatonCegarLoop]: Abstraction has 64975 states and 331133 transitions. [2022-07-22 12:23:11,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64975 states and 331133 transitions. [2022-07-22 12:23:13,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64975 to 51572. [2022-07-22 12:23:13,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51572 states, 51572 states have (on average 5.1968897851547355) internal successors, (268014), 51571 states have internal predecessors, (268014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:14,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51572 states to 51572 states and 268014 transitions. [2022-07-22 12:23:14,014 INFO L242 hiAutomatonCegarLoop]: Abstraction has 51572 states and 268014 transitions. [2022-07-22 12:23:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 12:23:14,014 INFO L425 stractBuchiCegarLoop]: Abstraction has 51572 states and 268014 transitions. [2022-07-22 12:23:14,014 INFO L332 stractBuchiCegarLoop]: ======== Iteration 33 ============ [2022-07-22 12:23:14,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51572 states and 268014 transitions. [2022-07-22 12:23:14,420 INFO L131 ngComponentsAnalysis]: Automaton has 240 accepting balls. 1192 [2022-07-22 12:23:14,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:23:14,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:23:14,422 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:23:14,422 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2] [2022-07-22 12:23:14,423 INFO L748 eck$LassoCheckResult]: Stem: 1445425#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 1445155#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 1443535#[thread1ENTRY, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 1443539#[L89-3, thread1ENTRY]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 1444987#[L89-4, thread2ENTRY, thread1ENTRY]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 1445033#[thread2ENTRY, L90-3, thread1ENTRY]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 1443997#[thread2ENTRY, thread3ENTRY, L90-4, thread1ENTRY]don't care [354] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 1443999#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 1444917#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 1445893#[thread2ENTRY, L90-4, thread1ENTRY, L62-4]don't care [477] L90-4-->L91-3: Formula: (and (= |v_#pthreadsForks_55| (+ |v_#pthreadsForks_56| 1)) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (select |v_#length_77| |v_ULTIMATE.start_main_~#t4~0#1.base_29|)) (= |v_#memory_int_67| (store |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29| (store (select |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) |v_ULTIMATE.start_main_~#t4~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre16#1_17|))) (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (= |v_ULTIMATE.start_main_#t~pre16#1_17| |v_#pthreadsForks_56|) (= (select |v_#valid_122| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_56|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_68|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|} OutVars{#pthreadsForks=|v_#pthreadsForks_55|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_19|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_67|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_17|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_9|} AuxVars[] AssignedVars[#pthreadsForks, ULTIMATE.start_main_#t~pre14#1, #memory_int, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_#t~nondet15#1] 1445897#[L91-3, thread2ENTRY, thread1ENTRY, L62-4]don't care [382] L91-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= |v_ULTIMATE.start_main_#t~pre16#1_6| v_thread4Thread1of1ForFork2_thidvar0_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 1445929#[L91-4, L62-4, thread2ENTRY, thread4ENTRY, thread1ENTRY]don't care [364] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 1445935#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 1451465#[L91-4, thread2ENTRY, L62-4, L72-4, thread1ENTRY]don't care [443] L91-4-->L92-1: Formula: (and (= |v_ULTIMATE.start_main_#t~mem18#1_10| (select (select |v_#memory_int_39| |v_ULTIMATE.start_main_~#t1~0#1.base_17|) |v_ULTIMATE.start_main_~#t1~0#1.offset_15|)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_15|) (= (select |v_#valid_80| |v_ULTIMATE.start_main_~#t1~0#1.base_17|) 1) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_15|) (select |v_#length_49| |v_ULTIMATE.start_main_~#t1~0#1.base_17|))) InVars {#valid=|v_#valid_80|, #memory_int=|v_#memory_int_39|, #length=|v_#length_49|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_15|} OutVars{ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_10|, #valid=|v_#valid_80|, #memory_int=|v_#memory_int_39|, #length=|v_#length_49|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_9|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_17|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_5|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_#t~nondet17#1] 1451609#[L62-4, thread2ENTRY, L92-1, L72-4, thread1ENTRY]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 1469455#[L62-4, thread2ENTRY, L92-1, L72-4, thread1ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 1469453#[L62-4, thread2ENTRY, L92-1, L72-4, thread1ENTRY]don't care [2022-07-22 12:23:14,788 INFO L750 eck$LassoCheckResult]: Loop: 1469453#[L62-4, thread2ENTRY, L92-1, L72-4, thread1ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 1451553#[L62-4, thread2ENTRY, L92-1, L72-4, thread1ENTRY]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 1479719#[L62-4, thread2ENTRY, L92-1, L72-4, thread1ENTRY]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 1469455#[L62-4, thread2ENTRY, L92-1, L72-4, thread1ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 1469453#[L62-4, thread2ENTRY, L92-1, L72-4, thread1ENTRY]don't care [2022-07-22 12:23:14,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:23:14,788 INFO L85 PathProgramCache]: Analyzing trace with hash -580970175, now seen corresponding path program 2 times [2022-07-22 12:23:14,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:23:14,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002347543] [2022-07-22 12:23:14,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:23:14,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:23:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:23:14,817 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:23:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:23:14,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:23:14,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:23:14,833 INFO L85 PathProgramCache]: Analyzing trace with hash 15368161, now seen corresponding path program 3 times [2022-07-22 12:23:14,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:23:14,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656672657] [2022-07-22 12:23:14,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:23:14,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:23:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:23:14,840 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:23:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:23:14,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:23:14,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:23:14,846 INFO L85 PathProgramCache]: Analyzing trace with hash 2056976673, now seen corresponding path program 3 times [2022-07-22 12:23:14,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:23:14,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719498944] [2022-07-22 12:23:14,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:23:14,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:23:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:23:14,872 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:23:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:23:14,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:23:15,032 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:23:15,033 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:23:15,033 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:23:15,033 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:23:15,033 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:23:15,033 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:15,033 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:23:15,033 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:23:15,033 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration33_Loop [2022-07-22 12:23:15,033 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:23:15,033 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:23:15,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,174 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:23:15,174 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:23:15,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:15,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:23:15,175 INFO L229 MonitoredProcess]: Starting monitored process 397 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:23:15,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (397)] Waiting until timeout for monitored process [2022-07-22 12:23:15,177 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:23:15,177 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:23:15,190 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:23:15,190 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter2~0=1} Honda state: {~counter2~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:23:15,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (397)] Ended with exit code 0 [2022-07-22 12:23:15,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:15,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:23:15,212 INFO L229 MonitoredProcess]: Starting monitored process 398 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:23:15,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (398)] Waiting until timeout for monitored process [2022-07-22 12:23:15,213 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:23:15,213 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:23:15,225 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:23:15,225 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_65=0} Honda state: {v_rep#funAddr~thread1.offset_65=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:23:15,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (398)] Ended with exit code 0 [2022-07-22 12:23:15,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:15,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:23:15,247 INFO L229 MonitoredProcess]: Starting monitored process 399 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:23:15,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (399)] Waiting until timeout for monitored process [2022-07-22 12:23:15,248 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:23:15,248 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:23:15,261 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:23:15,261 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_65=-1} Honda state: {v_rep#funAddr~thread2.base_65=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:23:15,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (399)] Ended with exit code 0 [2022-07-22 12:23:15,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:15,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:23:15,283 INFO L229 MonitoredProcess]: Starting monitored process 400 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:23:15,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (400)] Waiting until timeout for monitored process [2022-07-22 12:23:15,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:23:15,284 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:23:15,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (400)] Ended with exit code 0 [2022-07-22 12:23:15,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:15,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:23:15,316 INFO L229 MonitoredProcess]: Starting monitored process 401 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:23:15,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (401)] Waiting until timeout for monitored process [2022-07-22 12:23:15,317 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:23:15,317 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:23:15,538 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:23:15,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (401)] Forceful destruction successful, exit code 0 [2022-07-22 12:23:15,541 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:23:15,541 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:23:15,541 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:23:15,541 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:23:15,541 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:23:15,541 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:15,541 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:23:15,541 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:23:15,541 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration33_Loop [2022-07-22 12:23:15,541 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:23:15,541 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:23:15,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:23:15,684 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:23:15,685 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:23:15,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:15,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:23:15,686 INFO L229 MonitoredProcess]: Starting monitored process 402 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:23:15,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:23:15,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:23:15,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:23:15,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:23:15,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:23:15,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:23:15,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:23:15,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:23:15,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (402)] Waiting until timeout for monitored process [2022-07-22 12:23:15,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:23:15,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (402)] Forceful destruction successful, exit code 0 [2022-07-22 12:23:15,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:15,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:23:15,741 INFO L229 MonitoredProcess]: Starting monitored process 403 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:23:15,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (403)] Waiting until timeout for monitored process [2022-07-22 12:23:15,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:23:15,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:23:15,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:23:15,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:23:15,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:23:15,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:23:15,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:23:15,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:23:15,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:23:15,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (403)] Ended with exit code 0 [2022-07-22 12:23:15,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:15,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:23:15,775 INFO L229 MonitoredProcess]: Starting monitored process 404 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:23:15,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (404)] Waiting until timeout for monitored process [2022-07-22 12:23:15,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:23:15,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:23:15,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:23:15,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:23:15,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:23:15,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:23:15,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:23:15,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:23:15,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (404)] Ended with exit code 0 [2022-07-22 12:23:15,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:15,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:23:15,818 INFO L229 MonitoredProcess]: Starting monitored process 405 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:23:15,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (405)] Waiting until timeout for monitored process [2022-07-22 12:23:15,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-22 12:23:15,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:23:15,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:23:15,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:23:15,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:23:15,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:23:15,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:23:15,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:23:15,829 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:23:15,831 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:23:15,832 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:23:15,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:23:15,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:23:15,833 INFO L229 MonitoredProcess]: Starting monitored process 406 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:23:15,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (406)] Waiting until timeout for monitored process [2022-07-22 12:23:15,833 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:23:15,834 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:23:15,834 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:23:15,834 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread4Thread1of1ForFork2_~i~3#1) = 1*~N~0 - 1*thread4Thread1of1ForFork2_~i~3#1 Supporting invariants [] [2022-07-22 12:23:15,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (405)] Ended with exit code 0 [2022-07-22 12:23:15,856 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:23:15,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:23:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:15,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:23:15,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:15,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 12:23:15,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:15,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 12:23:15,944 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:23:15,944 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51572 states and 268014 transitions. cyclomatic complexity: 224479 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:16,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (406)] Forceful destruction successful, exit code 0 [2022-07-22 12:23:16,858 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51572 states and 268014 transitions. cyclomatic complexity: 224479. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 58742 states and 299997 transitions. Complement of second has 3 states. [2022-07-22 12:23:16,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:23:16,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:16,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 26 transitions. [2022-07-22 12:23:16,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 26 transitions. Stem has 16 letters. Loop has 4 letters. [2022-07-22 12:23:16,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:23:16,860 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:23:16,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:23:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:16,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:23:16,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:16,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 12:23:16,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:16,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 12:23:16,944 INFO L142 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:23:16,945 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51572 states and 268014 transitions. cyclomatic complexity: 224479 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:17,940 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51572 states and 268014 transitions. cyclomatic complexity: 224479. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 58742 states and 299997 transitions. Complement of second has 3 states. [2022-07-22 12:23:17,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:23:17,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:17,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 26 transitions. [2022-07-22 12:23:17,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 26 transitions. Stem has 16 letters. Loop has 4 letters. [2022-07-22 12:23:17,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:23:17,942 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:23:17,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:23:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:17,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:23:17,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:18,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 12:23:18,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 12:23:18,025 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:23:18,025 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51572 states and 268014 transitions. cyclomatic complexity: 224479 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:19,106 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51572 states and 268014 transitions. cyclomatic complexity: 224479. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 61679 states and 312042 transitions. Complement of second has 2 states. [2022-07-22 12:23:19,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:23:19,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:19,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 27 transitions. [2022-07-22 12:23:19,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 16 letters. Loop has 4 letters. [2022-07-22 12:23:19,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:23:19,107 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:23:19,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:23:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:19,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:23:19,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:19,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 12:23:19,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:19,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 12:23:19,192 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:23:19,192 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51572 states and 268014 transitions. cyclomatic complexity: 224479 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:20,241 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51572 states and 268014 transitions. cyclomatic complexity: 224479. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 61679 states and 312042 transitions. Complement of second has 2 states. [2022-07-22 12:23:20,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-07-22 12:23:20,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:20,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 27 transitions. [2022-07-22 12:23:20,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 27 transitions. Stem has 16 letters. Loop has 4 letters. [2022-07-22 12:23:20,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:23:20,243 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:23:20,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:23:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:20,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:23:20,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:23:20,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 12:23:20,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:23:20,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 12:23:20,319 INFO L142 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-22 12:23:20,321 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 51572 states and 268014 transitions. cyclomatic complexity: 224479 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:23:20,327 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: determinize is only required for construction of interpolant automaton, not for refinement at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PredicateFactoryRefinement.determinize(PredicateFactoryRefinement.java:104) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PredicateFactoryForInterpolantAutomata.determinize(PredicateFactoryForInterpolantAutomata.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.oldapi.DeterminizedState.getContent(DeterminizedState.java:118) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.PowersetDeterminizer.getState(PowersetDeterminizer.java:180) at de.uni_freiburg.informatik.ultimate.automata.nestedword.buchi.BuchiComplementFKVNwa.constructSinkState(BuchiComplementFKVNwa.java:156) at de.uni_freiburg.informatik.ultimate.automata.nestedword.buchi.BuchiComplementFKVNwa.(BuchiComplementFKVNwa.java:146) at de.uni_freiburg.informatik.ultimate.automata.nestedword.buchi.BuchiDifferenceFKV.constructResult(BuchiDifferenceFKV.java:116) at de.uni_freiburg.informatik.ultimate.automata.nestedword.buchi.BuchiDifferenceFKV.(BuchiDifferenceFKV.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.RefineBuchi.rankBasedOptimization(RefineBuchi.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.RefineBuchi.refineBuchi(RefineBuchi.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiInternal(AbstractBuchiCegarLoop.java:591) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:401) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:331) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-22 12:23:20,334 INFO L158 Benchmark]: Toolchain (without parser) took 105664.09ms. Allocated memory was 158.3MB in the beginning and 7.9GB in the end (delta: 7.8GB). Free memory was 134.4MB in the beginning and 5.1GB in the end (delta: -4.9GB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2022-07-22 12:23:20,339 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 158.3MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:23:20,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.28ms. Allocated memory is still 158.3MB. Free memory was 134.1MB in the beginning and 123.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-07-22 12:23:20,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.65ms. Allocated memory is still 158.3MB. Free memory was 123.0MB in the beginning and 121.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:23:20,342 INFO L158 Benchmark]: Boogie Preprocessor took 36.22ms. Allocated memory is still 158.3MB. Free memory was 121.2MB in the beginning and 119.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-22 12:23:20,347 INFO L158 Benchmark]: RCFGBuilder took 663.01ms. Allocated memory is still 158.3MB. Free memory was 119.7MB in the beginning and 135.1MB in the end (delta: -15.4MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. [2022-07-22 12:23:20,348 INFO L158 Benchmark]: BuchiAutomizer took 104531.88ms. Allocated memory was 158.3MB in the beginning and 7.9GB in the end (delta: 7.8GB). Free memory was 135.1MB in the beginning and 5.1GB in the end (delta: -4.9GB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2022-07-22 12:23:20,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 158.3MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 371.28ms. Allocated memory is still 158.3MB. Free memory was 134.1MB in the beginning and 123.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.65ms. Allocated memory is still 158.3MB. Free memory was 123.0MB in the beginning and 121.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.22ms. Allocated memory is still 158.3MB. Free memory was 121.2MB in the beginning and 119.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 663.01ms. Allocated memory is still 158.3MB. Free memory was 119.7MB in the beginning and 135.1MB in the end (delta: -15.4MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. * BuchiAutomizer took 104531.88ms. Allocated memory was 158.3MB in the beginning and 7.9GB in the end (delta: 7.8GB). Free memory was 135.1MB in the beginning and 5.1GB in the end (delta: -4.9GB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.9s, 122 PlacesBefore, 38 PlacesAfterwards, 118 TransitionsBefore, 29 TransitionsAfterwards, 2520 CoEnabledTransitionPairs, 6 FixpointIterations, 44 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 8 ConcurrentYvCompositions, 5 ChoiceCompositions, 97 TotalNumberOfCompositions, 2446 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2373, positive: 2369, positive conditional: 0, positive unconditional: 2369, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1662, positive: 1658, positive conditional: 0, positive unconditional: 1658, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1662, positive: 1655, positive conditional: 0, positive unconditional: 1655, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2373, positive: 711, positive conditional: 0, positive unconditional: 711, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1662, unknown conditional: 0, unknown unconditional: 1662] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - ExceptionOrErrorResult: AssertionError: determinize is only required for construction of interpolant automaton, not for refinement de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: determinize is only required for construction of interpolant automaton, not for refinement: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PredicateFactoryRefinement.determinize(PredicateFactoryRefinement.java:104) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-22 12:23:20,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (391)] Forceful destruction successful, exit code 0 [2022-07-22 12:23:20,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (378)] Ended with exit code 0 [2022-07-22 12:23:20,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (306)] Ended with exit code 0 [2022-07-22 12:23:21,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...