/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-syntacticLbe.epf -i ../../../trunk/examples/svcomp/weaver/popl20-figure1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:48:03,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:48:03,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:48:04,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 12:48:04,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 12:48:04,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 12:48:04,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 12:48:04,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 12:48:04,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 12:48:04,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 12:48:04,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 12:48:04,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 12:48:04,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:48:04,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:48:04,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:48:04,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:48:04,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:48:04,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:48:04,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:48:04,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:48:04,126 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:48:04,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:48:04,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:48:04,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:48:04,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:48:04,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-22 12:48:04,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:48:04,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:48:04,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:48:04,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf [2022-07-22 12:48:04,216 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:48:04,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:48:04,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:48:04,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:48:04,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:48:04,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:48:04,221 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:48:04,221 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:48:04,221 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:48:04,223 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:48:04,223 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:48:04,223 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:48:04,223 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:48:04,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:48:04,224 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:48:04,224 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:48:04,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:48:04,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:48:04,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:48:04,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:48:04,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:48:04,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:48:04,226 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:48:04,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:48:04,226 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:48:04,226 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:48:04,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:48:04,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:48:04,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:48:04,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:48:04,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:48:04,228 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-22 12:48:04,230 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:48:04,230 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:48:04,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:48:04,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:48:04,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:48:04,764 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:48:04,766 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:48:04,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-figure1.wvr.c [2022-07-22 12:48:04,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa2ba8ebd/0f04491d19e74013987d4518b7e0221b/FLAG6bf2c6e59 [2022-07-22 12:48:05,517 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:48:05,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1.wvr.c [2022-07-22 12:48:05,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa2ba8ebd/0f04491d19e74013987d4518b7e0221b/FLAG6bf2c6e59 [2022-07-22 12:48:05,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa2ba8ebd/0f04491d19e74013987d4518b7e0221b [2022-07-22 12:48:05,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:48:05,913 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:48:05,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:48:05,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:48:05,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:48:05,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:48:05" (1/1) ... [2022-07-22 12:48:05,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db801f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:48:05, skipping insertion in model container [2022-07-22 12:48:05,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:48:05" (1/1) ... [2022-07-22 12:48:05,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:48:05,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:48:06,258 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-figure1.wvr.c[1991,2004] [2022-07-22 12:48:06,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:48:06,272 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:48:06,302 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-figure1.wvr.c[1991,2004] [2022-07-22 12:48:06,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:48:06,319 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:48:06,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:48:06 WrapperNode [2022-07-22 12:48:06,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:48:06,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:48:06,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:48:06,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:48:06,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:48:06" (1/1) ... [2022-07-22 12:48:06,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:48:06" (1/1) ... [2022-07-22 12:48:06,366 INFO L137 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-07-22 12:48:06,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:48:06,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:48:06,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:48:06,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:48:06,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:48:06" (1/1) ... [2022-07-22 12:48:06,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:48:06" (1/1) ... [2022-07-22 12:48:06,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:48:06" (1/1) ... [2022-07-22 12:48:06,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:48:06" (1/1) ... [2022-07-22 12:48:06,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:48:06" (1/1) ... [2022-07-22 12:48:06,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:48:06" (1/1) ... [2022-07-22 12:48:06,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:48:06" (1/1) ... [2022-07-22 12:48:06,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:48:06,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:48:06,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:48:06,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:48:06,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:48:06" (1/1) ... [2022-07-22 12:48:06,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:06,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:06,455 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 12:48:06,475 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 12:48:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:48:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-22 12:48:06,517 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-22 12:48:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-22 12:48:06,517 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-22 12:48:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:48:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:48:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:48:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-22 12:48:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-22 12:48:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:48:06,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:48:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:48:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:48:06,520 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 12:48:06,601 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:48:06,602 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:48:06,784 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:48:06,841 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:48:06,841 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 12:48:06,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:48:06 BoogieIcfgContainer [2022-07-22 12:48:06,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:48:06,846 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:48:06,846 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:48:06,852 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:48:06,853 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:48:06,853 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:48:05" (1/3) ... [2022-07-22 12:48:06,854 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77345ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:48:06, skipping insertion in model container [2022-07-22 12:48:06,854 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:48:06,855 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:48:06" (2/3) ... [2022-07-22 12:48:06,855 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77345ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:48:06, skipping insertion in model container [2022-07-22 12:48:06,855 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:48:06,856 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:48:06" (3/3) ... [2022-07-22 12:48:06,857 INFO L322 chiAutomizerObserver]: Analyzing ICFG popl20-figure1.wvr.c [2022-07-22 12:48:06,975 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-22 12:48:07,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 77 transitions, 170 flow [2022-07-22 12:48:07,103 INFO L129 PetriNetUnfolder]: 5/73 cut-off events. [2022-07-22 12:48:07,104 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-22 12:48:07,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 73 events. 5/73 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2022-07-22 12:48:07,115 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 77 transitions, 170 flow [2022-07-22 12:48:07,130 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 73 transitions, 158 flow [2022-07-22 12:48:07,135 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-22 12:48:07,150 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 73 transitions, 158 flow [2022-07-22 12:48:07,160 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 73 transitions, 158 flow [2022-07-22 12:48:07,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 73 transitions, 158 flow [2022-07-22 12:48:07,210 INFO L129 PetriNetUnfolder]: 5/73 cut-off events. [2022-07-22 12:48:07,210 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-22 12:48:07,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 73 events. 5/73 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2022-07-22 12:48:07,215 INFO L116 LiptonReduction]: Number of co-enabled transitions 500 [2022-07-22 12:48:09,436 INFO L131 LiptonReduction]: Checked pairs total: 493 [2022-07-22 12:48:09,437 INFO L133 LiptonReduction]: Total number of compositions: 66 [2022-07-22 12:48:09,459 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:48:09,460 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:48:09,460 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:48:09,460 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:48:09,460 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:48:09,460 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:48:09,460 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:48:09,461 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:48:09,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:48:09,503 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 14 [2022-07-22 12:48:09,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:09,504 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:09,510 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-22 12:48:09,510 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:09,511 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 12:48:09,511 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 33 states, but on-demand construction may add more states [2022-07-22 12:48:09,516 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 14 [2022-07-22 12:48:09,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:09,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:09,516 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-22 12:48:09,517 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:09,523 INFO L748 eck$LassoCheckResult]: Stem: 80#[ULTIMATE.startENTRY]don't care [290] ULTIMATE.startENTRY-->L67-3: Formula: (let ((.cse0 (select |v_#memory_int_44| 1)) (.cse1 (store |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 1))) (and (= (select |v_#valid_97| 2) 1) (= (select |v_#valid_97| 1) 1) (= |v_#memory_int_43| (store |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45| (store (select |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) |v_ULTIMATE.start_main_~#t1~0#1.offset_35| |v_ULTIMATE.start_main_#t~pre6#1_27|))) (= (select |v_#length_58| 1) 2) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_41| 0) (< 0 |v_#StackHeapBarrier_22|) (= 48 (select .cse0 0)) (= (select |v_#valid_97| 0) 0) (= |v_ULTIMATE.start_main_#t~pre6#1_27| |v_#pthreadsForks_36|) (= (select .cse0 1) 0) (= (select |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_35| 0) (= (select |v_#length_58| 2) 21) (= |v_#NULL.offset_8| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51|) 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_51|) (= (store (store |v_#length_58| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_51| 4) |v_#length_57|) (= |v_#NULL.base_8| 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) (= |v_#valid_96| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51| 1)) (= |v_#pthreadsForks_35| (+ |v_#pthreadsForks_36| 1)) (= v_~counter~0_76 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_36|, #valid=|v_#valid_97|, #memory_int=|v_#memory_int_44|, #length=|v_#length_58|} OutVars{~counter~0=v_~counter~0_76, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_41|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_23|, #NULL.offset=|v_#NULL.offset_8|, ~N~0=v_~N~0_35, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_45|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_35|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_16|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_35|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_96|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_13|, #memory_int=|v_#memory_int_43|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, #length=|v_#length_57|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_51|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base] 83#[L67-3]don't care [223] L67-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork1_thidvar0_2) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, 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] 85#[thread1ENTRY, L67-4]don't care [198] 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] 87#[L67-4, L41-4]don't care [2022-07-22 12:48:09,523 INFO L750 eck$LassoCheckResult]: Loop: 87#[L67-4, L41-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 87#[L67-4, L41-4]don't care [2022-07-22 12:48:09,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:09,530 INFO L85 PathProgramCache]: Analyzing trace with hash 315592, now seen corresponding path program 1 times [2022-07-22 12:48:09,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:09,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031837826] [2022-07-22 12:48:09,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:09,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:09,674 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:09,724 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:09,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:09,728 INFO L85 PathProgramCache]: Analyzing trace with hash 310, now seen corresponding path program 1 times [2022-07-22 12:48:09,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:09,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155864137] [2022-07-22 12:48:09,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:09,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:09,741 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:09,752 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:09,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:09,755 INFO L85 PathProgramCache]: Analyzing trace with hash 9783631, now seen corresponding path program 1 times [2022-07-22 12:48:09,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:09,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818146538] [2022-07-22 12:48:09,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:09,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:09,811 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:09,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:09,903 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:09,904 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:09,904 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:09,904 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:09,904 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:09,904 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:09,904 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:09,905 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:09,905 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration1_Loop [2022-07-22 12:48:09,905 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:09,905 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:09,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:09,933 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 12:48:09,935 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 12:48:09,937 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 12:48:09,939 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 12:48:09,941 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 12:48:09,943 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 12:48:09,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:10,009 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:10,010 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:10,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,017 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 12:48:10,024 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 12:48:10,027 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:10,028 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-22 12:48:10,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,084 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 12:48:10,090 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:10,091 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,109 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 12:48:10,122 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:10,122 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter~0=0} Honda state: {~counter~0=0} Generalized eigenvectors: [{~counter~0=-6}, {~counter~0=6}, {~counter~0=1}] Lambdas: [2, 1, 1] Nus: [1, 0] [2022-07-22 12:48:10,161 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 12:48:10,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,173 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 12:48:10,213 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:10,214 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,215 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 12:48:10,249 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:10,250 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_1=1} Honda state: {v_rep#funAddr~thread2.offset_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:10,295 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 12:48:10,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,296 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 12:48:10,301 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 12:48:10,312 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:10,313 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,328 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:10,328 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 12:48:10,350 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 12:48:10,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,351 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 12:48:10,358 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 12:48:10,358 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:10,358 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,372 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:10,372 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 12:48:10,415 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 12:48:10,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,417 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 12:48:10,426 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:10,426 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,433 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 12:48:10,448 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:10,448 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 12:48:10,484 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 12:48:10,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,486 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 12:48:10,492 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:10,493 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,493 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 12:48:10,506 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:10,506 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 12:48:10,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-07-22 12:48:10,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,532 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 12:48:10,533 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 12:48:10,537 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:10,537 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,546 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:10,546 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 12:48:10,571 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 12:48:10,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,574 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 12:48:10,576 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 12:48:10,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:10,581 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,611 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 12:48:10,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,614 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 12:48:10,615 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 12:48:10,616 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:10,616 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:10,767 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:10,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:10,770 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:10,771 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:10,771 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:10,771 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:10,771 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:10,771 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,771 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:10,771 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:10,771 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration1_Loop [2022-07-22 12:48:10,771 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:10,771 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:10,773 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 12:48:10,779 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 12:48:10,782 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 12:48:10,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:10,786 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 12:48:10,787 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 12:48:10,789 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 12:48:10,793 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 12:48:10,846 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:10,852 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:10,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,855 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 12:48:10,872 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 12:48:10,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:10,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:10,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:10,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:10,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:10,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:10,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:10,888 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 12:48:10,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:10,924 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 12:48:10,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:10,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:10,926 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 12:48:10,927 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 12:48:10,928 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 12:48:10,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:10,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:10,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:10,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:10,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:10,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:10,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:10,999 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 12:48:11,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,001 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 12:48:11,006 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 12:48:11,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:11,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:11,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:11,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:11,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:11,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:11,022 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 12:48:11,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:11,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:11,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,067 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 12:48:11,075 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 12:48:11,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:11,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:11,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:11,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:11,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:11,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:11,092 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 12:48:11,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:11,139 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 12:48:11,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,141 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 12:48:11,146 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 12:48:11,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:11,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:11,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:11,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:11,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:11,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:11,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:11,158 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 12:48:11,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:11,203 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 12:48:11,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,205 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 12:48:11,214 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 12:48:11,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:11,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:11,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:11,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:11,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:11,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:11,229 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 12:48:11,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:11,266 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 12:48:11,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,268 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 12:48:11,279 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 12:48:11,279 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 12:48:11,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:11,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:11,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:11,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:11,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:11,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:11,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:11,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:11,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:11,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,317 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 12:48:11,318 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 12:48:11,319 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 12:48:11,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:11,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:11,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:11,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:11,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:11,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:11,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:11,357 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:11,363 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:11,364 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:11,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:11,367 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 12:48:11,381 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:11,381 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:11,381 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:11,382 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 12:48:11,397 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 12:48:11,420 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 12:48:11,423 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:11,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:11,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:11,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:11,497 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:11,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:11,498 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 12:48:11,546 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 12:48:11,549 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 33 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 12:48:11,640 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 33 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 63 states and 161 transitions. Complement of second has 3 states. [2022-07-22 12:48:11,643 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 12:48:11,649 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 12:48:11,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 10 transitions. [2022-07-22 12:48:11,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-22 12:48:11,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:11,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-22 12:48:11,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:11,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 10 transitions. Stem has 3 letters. Loop has 2 letters. [2022-07-22 12:48:11,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:11,659 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 161 transitions. [2022-07-22 12:48:11,675 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2022-07-22 12:48:11,683 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 52 states and 135 transitions. [2022-07-22 12:48:11,684 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2022-07-22 12:48:11,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2022-07-22 12:48:11,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 135 transitions. [2022-07-22 12:48:11,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:11,688 INFO L220 hiAutomatonCegarLoop]: Abstraction has 52 states and 135 transitions. [2022-07-22 12:48:11,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 135 transitions. [2022-07-22 12:48:11,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 40. [2022-07-22 12:48:11,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 2.6) internal successors, (104), 39 states have internal predecessors, (104), 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 12:48:11,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 104 transitions. [2022-07-22 12:48:11,743 INFO L242 hiAutomatonCegarLoop]: Abstraction has 40 states and 104 transitions. [2022-07-22 12:48:11,744 INFO L425 stractBuchiCegarLoop]: Abstraction has 40 states and 104 transitions. [2022-07-22 12:48:11,744 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 12:48:11,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 104 transitions. [2022-07-22 12:48:11,746 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2022-07-22 12:48:11,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:11,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:11,747 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-22 12:48:11,747 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:11,748 INFO L748 eck$LassoCheckResult]: Stem: 304#[ULTIMATE.startENTRY]don't care [290] ULTIMATE.startENTRY-->L67-3: Formula: (let ((.cse0 (select |v_#memory_int_44| 1)) (.cse1 (store |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 1))) (and (= (select |v_#valid_97| 2) 1) (= (select |v_#valid_97| 1) 1) (= |v_#memory_int_43| (store |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45| (store (select |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) |v_ULTIMATE.start_main_~#t1~0#1.offset_35| |v_ULTIMATE.start_main_#t~pre6#1_27|))) (= (select |v_#length_58| 1) 2) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_41| 0) (< 0 |v_#StackHeapBarrier_22|) (= 48 (select .cse0 0)) (= (select |v_#valid_97| 0) 0) (= |v_ULTIMATE.start_main_#t~pre6#1_27| |v_#pthreadsForks_36|) (= (select .cse0 1) 0) (= (select |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_35| 0) (= (select |v_#length_58| 2) 21) (= |v_#NULL.offset_8| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51|) 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_51|) (= (store (store |v_#length_58| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_51| 4) |v_#length_57|) (= |v_#NULL.base_8| 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) (= |v_#valid_96| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51| 1)) (= |v_#pthreadsForks_35| (+ |v_#pthreadsForks_36| 1)) (= v_~counter~0_76 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_36|, #valid=|v_#valid_97|, #memory_int=|v_#memory_int_44|, #length=|v_#length_58|} OutVars{~counter~0=v_~counter~0_76, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_41|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_23|, #NULL.offset=|v_#NULL.offset_8|, ~N~0=v_~N~0_35, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_45|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_35|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_16|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_35|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_96|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_13|, #memory_int=|v_#memory_int_43|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, #length=|v_#length_57|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_51|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base] 296#[L67-3]don't care [223] L67-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork1_thidvar0_2) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, 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] 298#[thread1ENTRY, L67-4]don't care [198] 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] 264#[L67-4, L41-4]don't care [280] L67-4-->L68-3: Formula: (and (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 1) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33| (store (select |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre8#1_19|)) |v_#memory_int_33|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (= (+ |v_#pthreadsForks_28| 1) |v_#pthreadsForks_27|) (= |v_ULTIMATE.start_main_#t~pre8#1_19| |v_#pthreadsForks_28|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_47| |v_ULTIMATE.start_main_~#t2~0#1.base_33|))) InVars {#pthreadsForks=|v_#pthreadsForks_28|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_34|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_21|, #pthreadsForks=|v_#pthreadsForks_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_9|, #memory_int=|v_#memory_int_33|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_19|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~pre8#1] 268#[L68-3, L41-4]don't care [2022-07-22 12:48:11,748 INFO L750 eck$LassoCheckResult]: Loop: 268#[L68-3, L41-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 268#[L68-3, L41-4]don't care [2022-07-22 12:48:11,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:11,749 INFO L85 PathProgramCache]: Analyzing trace with hash 9783632, now seen corresponding path program 1 times [2022-07-22 12:48:11,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:11,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372300605] [2022-07-22 12:48:11,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:11,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:11,800 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:11,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:11,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:11,839 INFO L85 PathProgramCache]: Analyzing trace with hash 310, now seen corresponding path program 2 times [2022-07-22 12:48:11,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:11,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374631805] [2022-07-22 12:48:11,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:11,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:11,885 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:11,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:11,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:11,893 INFO L85 PathProgramCache]: Analyzing trace with hash 303292871, now seen corresponding path program 1 times [2022-07-22 12:48:11,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:11,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304275244] [2022-07-22 12:48:11,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:11,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:11,927 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:11,935 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 12:48:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:11,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:11,968 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:11,968 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:11,968 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:11,969 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:11,969 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:11,969 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:11,969 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:11,969 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:11,969 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration2_Loop [2022-07-22 12:48:11,969 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:11,969 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:11,971 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 12:48:11,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,975 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 12:48:11,977 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 12:48:11,979 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 12:48:11,981 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 12:48:11,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:11,987 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 12:48:12,033 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:12,034 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:12,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,035 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 12:48:12,045 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 12:48:12,046 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:12,046 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:12,107 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 12:48:12,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,109 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 12:48:12,110 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 12:48:12,111 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:12,111 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:12,140 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:12,140 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter~0=0} Honda state: {~counter~0=0} Generalized eigenvectors: [{~counter~0=-6}, {~counter~0=6}, {~counter~0=1}] Lambdas: [2, 1, 1] Nus: [1, 0] [2022-07-22 12:48:12,182 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 12:48:12,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,183 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 12:48:12,185 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 12:48:12,185 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:12,185 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:12,207 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:12,207 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_3=1} Honda state: {v_rep#funAddr~thread2.offset_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:12,248 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 12:48:12,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,250 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 12:48:12,254 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:12,255 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:12,270 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 12:48:12,276 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:12,277 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_3=-1} Honda state: {v_rep#funAddr~thread1.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:12,325 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 12:48:12,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,327 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 12:48:12,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:12,330 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:12,345 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 12:48:12,350 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:12,350 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_3=-1} Honda state: {v_rep#funAddr~thread2.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:12,389 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 12:48:12,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,391 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 12:48:12,395 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:12,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:12,406 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 12:48:12,416 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:12,416 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 12:48:12,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:12,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,460 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 12:48:12,464 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:12,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:12,481 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 12:48:12,486 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:12,487 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_3=0} Honda state: {v_rep#funAddr~thread1.offset_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:12,528 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 12:48:12,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,532 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 12:48:12,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:12,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:12,546 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 12:48:12,589 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 12:48:12,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,590 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 12:48:12,594 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:12,594 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:12,612 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 12:48:12,775 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:12,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-07-22 12:48:12,777 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:12,777 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:12,778 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:12,778 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:12,778 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:12,778 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,778 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:12,778 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:12,778 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration2_Loop [2022-07-22 12:48:12,778 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:12,778 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:12,782 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 12:48:12,786 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 12:48:12,790 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 12:48:12,791 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 12:48:12,796 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 12:48:12,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:12,804 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 12:48:12,863 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:12,863 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:12,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,865 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 12:48:12,876 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 12:48:12,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:12,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:12,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:12,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:12,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:12,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:12,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:12,888 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 12:48:12,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:12,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-07-22 12:48:12,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,919 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 12:48:12,919 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 12:48:12,920 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 12:48:12,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:12,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:12,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:12,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:12,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:12,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:12,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:12,991 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 12:48:12,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:12,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:12,993 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 12:48:12,997 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 12:48:13,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:13,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:13,012 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 12:48:13,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:13,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-07-22 12:48:13,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,054 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 12:48:13,055 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 12:48:13,056 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 12:48:13,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:13,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:13,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:13,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:13,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,128 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 12:48:13,131 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 12:48:13,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:13,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:13,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:13,143 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 12:48:13,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:13,185 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 12:48:13,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,189 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 12:48:13,193 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 12:48:13,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:13,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:13,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:13,204 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 12:48:13,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:13,240 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 12:48:13,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,242 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 12:48:13,243 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 12:48:13,243 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 12:48:13,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:13,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:13,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:13,253 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:13,256 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:13,256 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:48:13,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,260 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 12:48:13,265 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 12:48:13,266 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:13,266 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:13,266 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:13,266 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 12:48:13,288 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 12:48:13,289 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:13,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:13,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:13,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:13,330 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:13,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:13,331 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 12:48:13,331 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 12:48:13,332 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 104 transitions. cyclomatic complexity: 84 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 12:48:13,351 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 104 transitions. cyclomatic complexity: 84. 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 45 states and 115 transitions. Complement of second has 3 states. [2022-07-22 12:48:13,352 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 12:48:13,353 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 12:48:13,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2022-07-22 12:48:13,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-22 12:48:13,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:13,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:48:13,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:13,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-22 12:48:13,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:13,354 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 115 transitions. [2022-07-22 12:48:13,356 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 12 [2022-07-22 12:48:13,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 115 transitions. [2022-07-22 12:48:13,358 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2022-07-22 12:48:13,358 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2022-07-22 12:48:13,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 115 transitions. [2022-07-22 12:48:13,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:13,359 INFO L220 hiAutomatonCegarLoop]: Abstraction has 45 states and 115 transitions. [2022-07-22 12:48:13,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 115 transitions. [2022-07-22 12:48:13,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2022-07-22 12:48:13,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 2.58974358974359) internal successors, (101), 38 states have internal predecessors, (101), 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 12:48:13,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 101 transitions. [2022-07-22 12:48:13,365 INFO L242 hiAutomatonCegarLoop]: Abstraction has 39 states and 101 transitions. [2022-07-22 12:48:13,365 INFO L425 stractBuchiCegarLoop]: Abstraction has 39 states and 101 transitions. [2022-07-22 12:48:13,365 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 12:48:13,365 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 101 transitions. [2022-07-22 12:48:13,366 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 12 [2022-07-22 12:48:13,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:13,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:13,367 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 12:48:13,367 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:13,367 INFO L748 eck$LassoCheckResult]: Stem: 460#[ULTIMATE.startENTRY]don't care [290] ULTIMATE.startENTRY-->L67-3: Formula: (let ((.cse0 (select |v_#memory_int_44| 1)) (.cse1 (store |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 1))) (and (= (select |v_#valid_97| 2) 1) (= (select |v_#valid_97| 1) 1) (= |v_#memory_int_43| (store |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45| (store (select |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) |v_ULTIMATE.start_main_~#t1~0#1.offset_35| |v_ULTIMATE.start_main_#t~pre6#1_27|))) (= (select |v_#length_58| 1) 2) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_41| 0) (< 0 |v_#StackHeapBarrier_22|) (= 48 (select .cse0 0)) (= (select |v_#valid_97| 0) 0) (= |v_ULTIMATE.start_main_#t~pre6#1_27| |v_#pthreadsForks_36|) (= (select .cse0 1) 0) (= (select |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_35| 0) (= (select |v_#length_58| 2) 21) (= |v_#NULL.offset_8| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51|) 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_51|) (= (store (store |v_#length_58| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_51| 4) |v_#length_57|) (= |v_#NULL.base_8| 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) (= |v_#valid_96| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51| 1)) (= |v_#pthreadsForks_35| (+ |v_#pthreadsForks_36| 1)) (= v_~counter~0_76 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_36|, #valid=|v_#valid_97|, #memory_int=|v_#memory_int_44|, #length=|v_#length_58|} OutVars{~counter~0=v_~counter~0_76, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_41|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_23|, #NULL.offset=|v_#NULL.offset_8|, ~N~0=v_~N~0_35, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_45|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_35|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_16|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_35|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_96|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_13|, #memory_int=|v_#memory_int_43|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, #length=|v_#length_57|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_51|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base] 452#[L67-3]don't care [223] L67-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork1_thidvar0_2) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, 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] 454#[thread1ENTRY, L67-4]don't care [198] 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] 420#[L67-4, L41-4]don't care [280] L67-4-->L68-3: Formula: (and (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 1) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33| (store (select |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre8#1_19|)) |v_#memory_int_33|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (= (+ |v_#pthreadsForks_28| 1) |v_#pthreadsForks_27|) (= |v_ULTIMATE.start_main_#t~pre8#1_19| |v_#pthreadsForks_28|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_47| |v_ULTIMATE.start_main_~#t2~0#1.base_33|))) InVars {#pthreadsForks=|v_#pthreadsForks_28|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_34|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_21|, #pthreadsForks=|v_#pthreadsForks_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_9|, #memory_int=|v_#memory_int_33|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_19|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~pre8#1] 424#[L68-3, L41-4]don't care [220] L68-3-->thread2ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork0_thidvar0_2) (= v_thread2Thread1of1ForFork0_thidvar2_2 0) (= v_thread2Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork0_#res#1.base=|v_thread2Thread1of1ForFork0_#res#1.base_4|, thread2Thread1of1ForFork0_#res#1.offset=|v_thread2Thread1of1ForFork0_#res#1.offset_4|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_2, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_12|, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_8|, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_#res#1.offset, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_thidvar2, thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_thidvar0, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 442#[thread2ENTRY, L68-4, L41-4]don't care [2022-07-22 12:48:13,368 INFO L750 eck$LassoCheckResult]: Loop: 442#[thread2ENTRY, L68-4, L41-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 442#[thread2ENTRY, L68-4, L41-4]don't care [2022-07-22 12:48:13,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:13,368 INFO L85 PathProgramCache]: Analyzing trace with hash 303292812, now seen corresponding path program 1 times [2022-07-22 12:48:13,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:13,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014050901] [2022-07-22 12:48:13,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:13,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:13,383 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:13,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:13,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:13,398 INFO L85 PathProgramCache]: Analyzing trace with hash 310, now seen corresponding path program 3 times [2022-07-22 12:48:13,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:13,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122025319] [2022-07-22 12:48:13,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:13,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:13,408 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:13,415 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:13,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:13,416 INFO L85 PathProgramCache]: Analyzing trace with hash 812142859, now seen corresponding path program 1 times [2022-07-22 12:48:13,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:13,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044425282] [2022-07-22 12:48:13,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:13,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:13,435 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:13,450 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:13,465 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:13,465 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:13,466 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:13,466 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:13,466 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:13,466 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,466 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:13,466 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:13,466 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration3_Loop [2022-07-22 12:48:13,466 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:13,466 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:13,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,530 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:13,530 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:13,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,532 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 12:48:13,536 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 12:48:13,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:13,536 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:13,546 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:13,546 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 12:48:13,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-07-22 12:48:13,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,577 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 12:48:13,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:13,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:13,579 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 12:48:13,596 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:13,596 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 12:48:13,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:13,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,632 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 12:48:13,634 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 12:48:13,634 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:13,634 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:13,664 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 12:48:13,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,665 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 12:48:13,674 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 12:48:13,674 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:13,675 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:13,816 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:13,818 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 12:48:13,819 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:13,819 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:13,819 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:13,819 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:13,819 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:13,819 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,819 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:13,819 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:13,819 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration3_Loop [2022-07-22 12:48:13,819 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:13,820 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:13,821 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 12:48:13,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,828 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 12:48:13,830 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 12:48:13,834 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 12:48:13,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:13,837 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 12:48:13,839 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 12:48:13,895 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:13,895 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:13,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,897 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 12:48:13,902 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 12:48:13,902 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 12:48:13,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:13,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:13,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:13,955 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 12:48:13,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:13,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:13,956 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 12:48:13,958 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 12:48:13,959 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 12:48:13,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:13,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:13,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:13,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:13,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:13,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:13,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:14,006 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-07-22 12:48:14,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:14,008 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 12:48:14,009 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 12:48:14,009 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 12:48:14,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:14,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:14,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:14,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:14,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:14,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:14,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:14,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:14,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:14,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:14,043 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 12:48:14,044 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 12:48:14,045 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 12:48:14,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:14,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:14,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:14,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:14,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:14,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:14,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:14,064 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:14,067 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:14,067 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:14,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:14,069 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 12:48:14,070 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 12:48:14,072 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:14,072 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:14,072 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:14,072 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 12:48:14,096 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 12:48:14,097 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:14,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:14,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:14,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:14,145 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:14,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:14,145 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 12:48:14,146 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 12:48:14,146 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 101 transitions. cyclomatic complexity: 81 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 12:48:14,169 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 101 transitions. cyclomatic complexity: 81. 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 47 states and 125 transitions. Complement of second has 3 states. [2022-07-22 12:48:14,169 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 12:48:14,170 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 12:48:14,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. [2022-07-22 12:48:14,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:48:14,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:14,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:48:14,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:14,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:48:14,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:14,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 125 transitions. [2022-07-22 12:48:14,173 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 11 [2022-07-22 12:48:14,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 125 transitions. [2022-07-22 12:48:14,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2022-07-22 12:48:14,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2022-07-22 12:48:14,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 125 transitions. [2022-07-22 12:48:14,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:14,178 INFO L220 hiAutomatonCegarLoop]: Abstraction has 47 states and 125 transitions. [2022-07-22 12:48:14,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 125 transitions. [2022-07-22 12:48:14,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 38. [2022-07-22 12:48:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 2.5526315789473686) internal successors, (97), 37 states have internal predecessors, (97), 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 12:48:14,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 97 transitions. [2022-07-22 12:48:14,184 INFO L242 hiAutomatonCegarLoop]: Abstraction has 38 states and 97 transitions. [2022-07-22 12:48:14,184 INFO L425 stractBuchiCegarLoop]: Abstraction has 38 states and 97 transitions. [2022-07-22 12:48:14,184 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-22 12:48:14,184 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 97 transitions. [2022-07-22 12:48:14,185 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 11 [2022-07-22 12:48:14,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:14,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:14,186 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-22 12:48:14,186 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:14,186 INFO L748 eck$LassoCheckResult]: Stem: 619#[ULTIMATE.startENTRY]don't care [290] ULTIMATE.startENTRY-->L67-3: Formula: (let ((.cse0 (select |v_#memory_int_44| 1)) (.cse1 (store |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 1))) (and (= (select |v_#valid_97| 2) 1) (= (select |v_#valid_97| 1) 1) (= |v_#memory_int_43| (store |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45| (store (select |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) |v_ULTIMATE.start_main_~#t1~0#1.offset_35| |v_ULTIMATE.start_main_#t~pre6#1_27|))) (= (select |v_#length_58| 1) 2) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_41| 0) (< 0 |v_#StackHeapBarrier_22|) (= 48 (select .cse0 0)) (= (select |v_#valid_97| 0) 0) (= |v_ULTIMATE.start_main_#t~pre6#1_27| |v_#pthreadsForks_36|) (= (select .cse0 1) 0) (= (select |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_35| 0) (= (select |v_#length_58| 2) 21) (= |v_#NULL.offset_8| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51|) 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_51|) (= (store (store |v_#length_58| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_51| 4) |v_#length_57|) (= |v_#NULL.base_8| 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) (= |v_#valid_96| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51| 1)) (= |v_#pthreadsForks_35| (+ |v_#pthreadsForks_36| 1)) (= v_~counter~0_76 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_36|, #valid=|v_#valid_97|, #memory_int=|v_#memory_int_44|, #length=|v_#length_58|} OutVars{~counter~0=v_~counter~0_76, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_41|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_23|, #NULL.offset=|v_#NULL.offset_8|, ~N~0=v_~N~0_35, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_45|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_35|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_16|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_35|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_96|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_13|, #memory_int=|v_#memory_int_43|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, #length=|v_#length_57|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_51|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base] 611#[L67-3]don't care [223] L67-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork1_thidvar0_2) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, 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] 613#[thread1ENTRY, L67-4]don't care [280] L67-4-->L68-3: Formula: (and (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 1) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33| (store (select |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre8#1_19|)) |v_#memory_int_33|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (= (+ |v_#pthreadsForks_28| 1) |v_#pthreadsForks_27|) (= |v_ULTIMATE.start_main_#t~pre8#1_19| |v_#pthreadsForks_28|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_47| |v_ULTIMATE.start_main_~#t2~0#1.base_33|))) InVars {#pthreadsForks=|v_#pthreadsForks_28|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_34|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_21|, #pthreadsForks=|v_#pthreadsForks_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_9|, #memory_int=|v_#memory_int_33|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_19|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~pre8#1] 621#[L68-3, thread1ENTRY]don't care [220] L68-3-->thread2ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork0_thidvar0_2) (= v_thread2Thread1of1ForFork0_thidvar2_2 0) (= v_thread2Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork0_#res#1.base=|v_thread2Thread1of1ForFork0_#res#1.base_4|, thread2Thread1of1ForFork0_#res#1.offset=|v_thread2Thread1of1ForFork0_#res#1.offset_4|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_2, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_12|, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_8|, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_#res#1.offset, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_thidvar2, thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_thidvar0, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 623#[thread1ENTRY, thread2ENTRY, L68-4]don't care [208] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1] 591#[thread1ENTRY, L51-4, L68-4]don't care [2022-07-22 12:48:14,187 INFO L750 eck$LassoCheckResult]: Loop: 591#[thread1ENTRY, L51-4, L68-4]don't care [281] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| (ite (< 0 v_~counter~0_71) 1 0)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|) (= v_~counter~0_71 (+ v_~counter~0_70 1)) (< |v_thread2Thread1of1ForFork0_~i~1#1_28| v_~N~0_29) (= (+ |v_thread2Thread1of1ForFork0_~i~1#1_28| 1) |v_thread2Thread1of1ForFork0_~i~1#1_27|) (not (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7| 0))) InVars {~counter~0=v_~counter~0_71, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_28|, ~N~0=v_~N~0_29} OutVars{~counter~0=v_~counter~0_70, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_27|, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_15|, ~N~0=v_~N~0_29, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_7|} AuxVars[] AssignedVars[~counter~0, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 591#[thread1ENTRY, L51-4, L68-4]don't care [2022-07-22 12:48:14,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:14,187 INFO L85 PathProgramCache]: Analyzing trace with hash 303369742, now seen corresponding path program 1 times [2022-07-22 12:48:14,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:14,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430417804] [2022-07-22 12:48:14,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:14,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:14,201 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:14,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:14,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:14,216 INFO L85 PathProgramCache]: Analyzing trace with hash 312, now seen corresponding path program 1 times [2022-07-22 12:48:14,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:14,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280805484] [2022-07-22 12:48:14,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:14,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:14,224 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:14,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:14,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:14,230 INFO L85 PathProgramCache]: Analyzing trace with hash 814527691, now seen corresponding path program 1 times [2022-07-22 12:48:14,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:14,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088005995] [2022-07-22 12:48:14,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:14,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:14,287 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 12:48:14,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:48:14,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088005995] [2022-07-22 12:48:14,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088005995] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:48:14,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:48:14,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-22 12:48:14,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722970252] [2022-07-22 12:48:14,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:48:14,339 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:14,339 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:14,339 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:14,339 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:14,339 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:14,339 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,339 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:14,339 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:14,340 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration4_Loop [2022-07-22 12:48:14,340 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:14,340 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:14,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,344 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 12:48:14,346 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 12:48:14,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:14,473 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:14,473 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:14,483 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 12:48:14,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:14,489 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 12:48:14,490 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 12:48:14,491 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:14,491 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:14,506 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:14,506 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 12:48:14,528 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 12:48:14,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:14,530 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 12:48:14,532 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 12:48:14,532 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:14,532 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:14,547 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:14,548 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 12:48:14,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:14,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:14,570 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 12:48:14,571 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 12:48:14,571 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:14,571 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:14,581 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:14,581 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork0_#t~post3#1=0} Honda state: {thread2Thread1of1ForFork0_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:14,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:14,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:14,604 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 12:48:14,605 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 12:48:14,606 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:14,606 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:14,667 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 12:48:14,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:14,668 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 12:48:14,669 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 12:48:14,671 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:14,671 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:14,707 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:14,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-07-22 12:48:14,709 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:14,709 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:14,709 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:14,709 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:14,709 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:14,709 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,710 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:14,710 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:14,710 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration4_Loop [2022-07-22 12:48:14,710 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:14,710 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:14,711 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 12:48:14,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,722 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 12:48:14,725 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 12:48:14,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:14,731 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 12:48:14,737 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 12:48:14,742 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 12:48:14,810 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:14,810 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:14,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:14,812 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 12:48:14,820 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 12:48:14,821 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 12:48:14,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:14,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:14,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:14,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:14,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:14,830 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:14,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:14,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:14,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:14,876 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 12:48:14,880 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 12:48:14,882 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 12:48:14,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:14,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:14,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:14,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:14,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:14,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:14,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:14,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:14,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:14,936 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 12:48:14,937 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 12:48:14,940 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 12:48:14,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:14,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:14,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:14,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:14,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:14,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:14,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:14,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:14,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-07-22 12:48:14,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:14,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:14,972 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 12:48:14,973 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 12:48:14,974 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 12:48:14,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:14,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:14,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:14,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:14,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:14,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:15,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:15,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:15,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,048 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 12:48:15,051 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 12:48:15,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:15,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:15,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:15,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:15,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:15,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:15,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:15,064 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 12:48:15,074 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:15,078 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:15,078 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:15,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,082 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 12:48:15,087 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:15,087 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:15,088 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:15,088 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter~0) = 1*~counter~0 Supporting invariants [] [2022-07-22 12:48:15,102 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 12:48:15,124 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 12:48:15,125 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:15,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:15,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:15,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:15,163 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:48:15,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:15,164 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 12:48:15,165 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 12:48:15,165 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 97 transitions. cyclomatic complexity: 77 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 12:48:15,202 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 97 transitions. cyclomatic complexity: 77. 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 63 states and 162 transitions. Complement of second has 3 states. [2022-07-22 12:48:15,203 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 12:48:15,204 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 12:48:15,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:48:15,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-22 12:48:15,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:15,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-22 12:48:15,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:15,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-22 12:48:15,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:15,205 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 162 transitions. [2022-07-22 12:48:15,208 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 10 [2022-07-22 12:48:15,209 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 60 states and 158 transitions. [2022-07-22 12:48:15,210 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2022-07-22 12:48:15,210 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2022-07-22 12:48:15,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 158 transitions. [2022-07-22 12:48:15,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:15,211 INFO L220 hiAutomatonCegarLoop]: Abstraction has 60 states and 158 transitions. [2022-07-22 12:48:15,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 158 transitions. [2022-07-22 12:48:15,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 49. [2022-07-22 12:48:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 2.6122448979591835) internal successors, (128), 48 states have internal predecessors, (128), 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 12:48:15,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 128 transitions. [2022-07-22 12:48:15,218 INFO L242 hiAutomatonCegarLoop]: Abstraction has 49 states and 128 transitions. [2022-07-22 12:48:15,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:48:15,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:48:15,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:48:15,223 INFO L87 Difference]: Start difference. First operand 49 states and 128 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 12:48:15,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:48:15,253 INFO L93 Difference]: Finished difference Result 71 states and 168 transitions. [2022-07-22 12:48:15,253 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 168 transitions. [2022-07-22 12:48:15,255 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 9 [2022-07-22 12:48:15,257 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 59 states and 142 transitions. [2022-07-22 12:48:15,257 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2022-07-22 12:48:15,257 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 43 [2022-07-22 12:48:15,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 142 transitions. [2022-07-22 12:48:15,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:15,258 INFO L220 hiAutomatonCegarLoop]: Abstraction has 59 states and 142 transitions. [2022-07-22 12:48:15,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 142 transitions. [2022-07-22 12:48:15,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 56. [2022-07-22 12:48:15,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 2.4464285714285716) internal successors, (137), 55 states have internal predecessors, (137), 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 12:48:15,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 137 transitions. [2022-07-22 12:48:15,269 INFO L242 hiAutomatonCegarLoop]: Abstraction has 56 states and 137 transitions. [2022-07-22 12:48:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:48:15,270 INFO L425 stractBuchiCegarLoop]: Abstraction has 56 states and 137 transitions. [2022-07-22 12:48:15,270 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-22 12:48:15,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 137 transitions. [2022-07-22 12:48:15,274 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 9 [2022-07-22 12:48:15,275 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:15,275 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:15,275 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:15,275 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:15,277 INFO L748 eck$LassoCheckResult]: Stem: 986#[ULTIMATE.startENTRY]don't care [290] ULTIMATE.startENTRY-->L67-3: Formula: (let ((.cse0 (select |v_#memory_int_44| 1)) (.cse1 (store |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 1))) (and (= (select |v_#valid_97| 2) 1) (= (select |v_#valid_97| 1) 1) (= |v_#memory_int_43| (store |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45| (store (select |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) |v_ULTIMATE.start_main_~#t1~0#1.offset_35| |v_ULTIMATE.start_main_#t~pre6#1_27|))) (= (select |v_#length_58| 1) 2) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_41| 0) (< 0 |v_#StackHeapBarrier_22|) (= 48 (select .cse0 0)) (= (select |v_#valid_97| 0) 0) (= |v_ULTIMATE.start_main_#t~pre6#1_27| |v_#pthreadsForks_36|) (= (select .cse0 1) 0) (= (select |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_35| 0) (= (select |v_#length_58| 2) 21) (= |v_#NULL.offset_8| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51|) 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_51|) (= (store (store |v_#length_58| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_51| 4) |v_#length_57|) (= |v_#NULL.base_8| 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) (= |v_#valid_96| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51| 1)) (= |v_#pthreadsForks_35| (+ |v_#pthreadsForks_36| 1)) (= v_~counter~0_76 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_36|, #valid=|v_#valid_97|, #memory_int=|v_#memory_int_44|, #length=|v_#length_58|} OutVars{~counter~0=v_~counter~0_76, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_41|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_23|, #NULL.offset=|v_#NULL.offset_8|, ~N~0=v_~N~0_35, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_45|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_35|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_16|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_35|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_96|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_13|, #memory_int=|v_#memory_int_43|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, #length=|v_#length_57|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_51|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base] 972#[L67-3]don't care [223] L67-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork1_thidvar0_2) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, 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] 974#[thread1ENTRY, L67-4]don't care [198] 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] 930#[L67-4, L41-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 932#[L67-4, L41-4]don't care [280] L67-4-->L68-3: Formula: (and (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 1) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33| (store (select |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre8#1_19|)) |v_#memory_int_33|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (= (+ |v_#pthreadsForks_28| 1) |v_#pthreadsForks_27|) (= |v_ULTIMATE.start_main_#t~pre8#1_19| |v_#pthreadsForks_28|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_47| |v_ULTIMATE.start_main_~#t2~0#1.base_33|))) InVars {#pthreadsForks=|v_#pthreadsForks_28|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_34|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_21|, #pthreadsForks=|v_#pthreadsForks_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_9|, #memory_int=|v_#memory_int_33|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_19|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~pre8#1] 936#[L68-3, L41-4]don't care [220] L68-3-->thread2ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork0_thidvar0_2) (= v_thread2Thread1of1ForFork0_thidvar2_2 0) (= v_thread2Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork0_#res#1.base=|v_thread2Thread1of1ForFork0_#res#1.base_4|, thread2Thread1of1ForFork0_#res#1.offset=|v_thread2Thread1of1ForFork0_#res#1.offset_4|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_2, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_12|, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_8|, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_#res#1.offset, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_thidvar2, thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_thidvar0, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 1000#[thread2ENTRY, L68-4, L41-4]don't care [265] L68-4-->L69-1: Formula: (and (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_19|) (select |v_#length_37| |v_ULTIMATE.start_main_~#t1~0#1.base_23|)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_19|) (= (select |v_#valid_58| |v_ULTIMATE.start_main_~#t1~0#1.base_23|) 1) (= (select (select |v_#memory_int_21| |v_ULTIMATE.start_main_~#t1~0#1.base_23|) |v_ULTIMATE.start_main_~#t1~0#1.offset_19|) |v_ULTIMATE.start_main_#t~mem10#1_12|)) InVars {#valid=|v_#valid_58|, #memory_int=|v_#memory_int_21|, #length=|v_#length_37|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_23|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_19|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_9|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_21|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_15|, #length=|v_#length_37|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_23|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_19|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#t~pre8#1, ULTIMATE.start_main_#t~mem10#1] 992#[L41-4, thread2ENTRY, L69-1]don't care [2022-07-22 12:48:15,277 INFO L750 eck$LassoCheckResult]: Loop: 992#[L41-4, thread2ENTRY, L69-1]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 992#[L41-4, thread2ENTRY, L69-1]don't care [2022-07-22 12:48:15,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:15,282 INFO L85 PathProgramCache]: Analyzing trace with hash -593348842, now seen corresponding path program 1 times [2022-07-22 12:48:15,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:15,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509654932] [2022-07-22 12:48:15,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:15,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:15,321 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:15,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:15,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:15,353 INFO L85 PathProgramCache]: Analyzing trace with hash 310, now seen corresponding path program 4 times [2022-07-22 12:48:15,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:15,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075256737] [2022-07-22 12:48:15,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:15,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:15,363 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:15,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:15,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:15,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1213944639, now seen corresponding path program 2 times [2022-07-22 12:48:15,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:15,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9732143] [2022-07-22 12:48:15,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:15,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:15,399 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:15,415 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:15,430 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:15,430 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:15,430 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:15,430 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:15,432 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:15,432 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,432 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:15,432 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:15,432 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration5_Loop [2022-07-22 12:48:15,432 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:15,432 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:15,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,438 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 12:48:15,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,442 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 12:48:15,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,501 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:15,502 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:15,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,503 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 12:48:15,512 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:15,512 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,517 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 12:48:15,534 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:15,535 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 12:48:15,569 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 12:48:15,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,570 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 12:48:15,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:15,577 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,587 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 12:48:15,594 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:15,595 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 12:48:15,617 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 12:48:15,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,618 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 12:48:15,618 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 12:48:15,619 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:15,619 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,634 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:15,634 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 12:48:15,656 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 12:48:15,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,658 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 12:48:15,659 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:15,660 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,669 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 12:48:15,679 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:15,679 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 12:48:15,704 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 12:48:15,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,705 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 12:48:15,706 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 12:48:15,707 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:15,707 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,725 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:15,725 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 12:48:15,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-07-22 12:48:15,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,749 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 12:48:15,757 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:15,757 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,768 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 12:48:15,811 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 12:48:15,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:15,813 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 12:48:15,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:15,819 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:15,837 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 12:48:15,978 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:15,981 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 12:48:15,981 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:15,981 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:15,981 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:15,981 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:15,981 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:15,982 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:15,982 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:15,982 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:15,982 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration5_Loop [2022-07-22 12:48:15,982 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:15,982 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:15,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:15,989 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 12:48:15,991 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 12:48:15,993 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 12:48:15,998 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 12:48:16,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,003 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 12:48:16,006 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 12:48:16,058 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:16,059 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:16,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,060 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 12:48:16,074 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 12:48:16,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:16,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:16,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:16,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:16,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:16,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:16,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:16,087 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 12:48:16,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:16,133 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 12:48:16,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,135 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 12:48:16,137 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 12:48:16,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:16,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:16,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:16,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:16,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:16,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:16,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:16,148 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 12:48:16,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:16,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:16,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,195 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 12:48:16,198 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 12:48:16,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:16,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:16,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:16,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:16,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:16,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:16,214 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 12:48:16,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:16,259 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 12:48:16,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,260 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 12:48:16,266 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 12:48:16,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:16,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:16,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:16,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:16,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:16,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:16,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:16,279 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 12:48:16,287 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:16,293 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:16,294 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:48:16,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,295 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 12:48:16,297 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:16,297 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:16,297 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:16,297 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 12:48:16,302 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 12:48:16,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:16,334 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:16,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:16,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:16,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:16,386 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:16,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:16,387 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 12:48:16,388 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 12:48:16,388 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 137 transitions. cyclomatic complexity: 102 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 12:48:16,426 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 137 transitions. cyclomatic complexity: 102. 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 73 states and 176 transitions. Complement of second has 3 states. [2022-07-22 12:48:16,427 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 12:48:16,428 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 12:48:16,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:48:16,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 7 letters. Loop has 1 letters. [2022-07-22 12:48:16,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:16,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:16,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:16,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 12:48:16,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:16,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 176 transitions. [2022-07-22 12:48:16,431 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-22 12:48:16,432 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 68 states and 167 transitions. [2022-07-22 12:48:16,432 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2022-07-22 12:48:16,432 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2022-07-22 12:48:16,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 167 transitions. [2022-07-22 12:48:16,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:16,433 INFO L220 hiAutomatonCegarLoop]: Abstraction has 68 states and 167 transitions. [2022-07-22 12:48:16,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 167 transitions. [2022-07-22 12:48:16,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 56. [2022-07-22 12:48:16,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 2.482142857142857) internal successors, (139), 55 states have internal predecessors, (139), 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 12:48:16,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 139 transitions. [2022-07-22 12:48:16,440 INFO L242 hiAutomatonCegarLoop]: Abstraction has 56 states and 139 transitions. [2022-07-22 12:48:16,440 INFO L425 stractBuchiCegarLoop]: Abstraction has 56 states and 139 transitions. [2022-07-22 12:48:16,440 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-22 12:48:16,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 139 transitions. [2022-07-22 12:48:16,441 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 8 [2022-07-22 12:48:16,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:16,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:16,442 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:16,442 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:16,443 INFO L748 eck$LassoCheckResult]: Stem: 1207#[ULTIMATE.startENTRY]don't care [290] ULTIMATE.startENTRY-->L67-3: Formula: (let ((.cse0 (select |v_#memory_int_44| 1)) (.cse1 (store |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 1))) (and (= (select |v_#valid_97| 2) 1) (= (select |v_#valid_97| 1) 1) (= |v_#memory_int_43| (store |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45| (store (select |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) |v_ULTIMATE.start_main_~#t1~0#1.offset_35| |v_ULTIMATE.start_main_#t~pre6#1_27|))) (= (select |v_#length_58| 1) 2) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_41| 0) (< 0 |v_#StackHeapBarrier_22|) (= 48 (select .cse0 0)) (= (select |v_#valid_97| 0) 0) (= |v_ULTIMATE.start_main_#t~pre6#1_27| |v_#pthreadsForks_36|) (= (select .cse0 1) 0) (= (select |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_35| 0) (= (select |v_#length_58| 2) 21) (= |v_#NULL.offset_8| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51|) 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_51|) (= (store (store |v_#length_58| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_51| 4) |v_#length_57|) (= |v_#NULL.base_8| 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) (= |v_#valid_96| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51| 1)) (= |v_#pthreadsForks_35| (+ |v_#pthreadsForks_36| 1)) (= v_~counter~0_76 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_36|, #valid=|v_#valid_97|, #memory_int=|v_#memory_int_44|, #length=|v_#length_58|} OutVars{~counter~0=v_~counter~0_76, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_41|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_23|, #NULL.offset=|v_#NULL.offset_8|, ~N~0=v_~N~0_35, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_45|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_35|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_16|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_35|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_96|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_13|, #memory_int=|v_#memory_int_43|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, #length=|v_#length_57|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_51|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base] 1193#[L67-3]don't care [223] L67-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork1_thidvar0_2) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, 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] 1195#[thread1ENTRY, L67-4]don't care [198] 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] 1157#[L67-4, L41-4]don't care [280] L67-4-->L68-3: Formula: (and (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 1) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33| (store (select |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre8#1_19|)) |v_#memory_int_33|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (= (+ |v_#pthreadsForks_28| 1) |v_#pthreadsForks_27|) (= |v_ULTIMATE.start_main_#t~pre8#1_19| |v_#pthreadsForks_28|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_47| |v_ULTIMATE.start_main_~#t2~0#1.base_33|))) InVars {#pthreadsForks=|v_#pthreadsForks_28|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_34|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_21|, #pthreadsForks=|v_#pthreadsForks_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_9|, #memory_int=|v_#memory_int_33|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_19|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~pre8#1] 1161#[L68-3, L41-4]don't care [220] L68-3-->thread2ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork0_thidvar0_2) (= v_thread2Thread1of1ForFork0_thidvar2_2 0) (= v_thread2Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork0_#res#1.base=|v_thread2Thread1of1ForFork0_#res#1.base_4|, thread2Thread1of1ForFork0_#res#1.offset=|v_thread2Thread1of1ForFork0_#res#1.offset_4|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_2, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_12|, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_8|, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_#res#1.offset, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_thidvar2, thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_thidvar0, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 1181#[thread2ENTRY, L68-4, L41-4]don't care [208] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1] 1165#[L41-4, L51-4, L68-4]don't care [272] L51-4-->thread2EXIT: Formula: (and (not (< |v_thread2Thread1of1ForFork0_~i~1#1_25| v_~N~0_21)) (= |v_thread2Thread1of1ForFork0_#res#1.base_9| 0) (= |v_thread2Thread1of1ForFork0_#res#1.offset_9| 0)) InVars {thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_25|, ~N~0=v_~N~0_21} OutVars{thread2Thread1of1ForFork0_#res#1.base=|v_thread2Thread1of1ForFork0_#res#1.base_9|, thread2Thread1of1ForFork0_#res#1.offset=|v_thread2Thread1of1ForFork0_#res#1.offset_9|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_25|, ~N~0=v_~N~0_21} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_#res#1.offset] 1167#[thread2EXIT, L68-4, L41-4]don't care [2022-07-22 12:48:16,443 INFO L750 eck$LassoCheckResult]: Loop: 1167#[thread2EXIT, L68-4, L41-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 1167#[thread2EXIT, L68-4, L41-4]don't care [2022-07-22 12:48:16,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:16,444 INFO L85 PathProgramCache]: Analyzing trace with hash -593377076, now seen corresponding path program 1 times [2022-07-22 12:48:16,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:16,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940655516] [2022-07-22 12:48:16,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:16,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:16,455 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:16,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:16,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:16,468 INFO L85 PathProgramCache]: Analyzing trace with hash 310, now seen corresponding path program 5 times [2022-07-22 12:48:16,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:16,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937945979] [2022-07-22 12:48:16,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:16,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:16,473 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:16,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:16,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:16,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1214819893, now seen corresponding path program 1 times [2022-07-22 12:48:16,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:16,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391173484] [2022-07-22 12:48:16,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:16,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:16,521 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 12:48:16,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:48:16,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391173484] [2022-07-22 12:48:16,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391173484] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:48:16,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:48:16,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 12:48:16,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534792255] [2022-07-22 12:48:16,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:48:16,538 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:16,538 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:16,538 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:16,538 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:16,538 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:16,538 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,538 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:16,539 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:16,539 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration6_Loop [2022-07-22 12:48:16,539 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:16,539 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:16,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,546 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 12:48:16,548 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 12:48:16,550 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 12:48:16,552 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 12:48:16,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:16,559 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 12:48:16,608 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:16,608 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:16,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,610 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 12:48:16,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:16,617 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:16,627 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 12:48:16,675 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 12:48:16,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,676 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 12:48:16,683 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:16,683 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:16,699 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 12:48:16,712 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:16,713 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter~0=0} Honda state: {~counter~0=0} Generalized eigenvectors: [{~counter~0=-6}, {~counter~0=6}, {~counter~0=1}] Lambdas: [2, 1, 1] Nus: [1, 0] [2022-07-22 12:48:16,748 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 12:48:16,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,749 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 12:48:16,751 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:16,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:16,766 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 12:48:16,771 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:16,771 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_11=1} Honda state: {v_rep#funAddr~thread2.offset_11=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:16,805 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 12:48:16,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,807 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 12:48:16,807 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 12:48:16,808 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:16,808 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:16,821 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:16,822 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_11=0} Honda state: {v_rep#funAddr~thread1.offset_11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:16,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:16,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,846 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 12:48:16,847 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 12:48:16,848 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:16,848 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:16,856 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:16,856 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 12:48:16,881 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 12:48:16,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,885 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 12:48:16,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:16,887 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:16,901 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 12:48:16,906 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:16,906 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_11=-1} Honda state: {v_rep#funAddr~thread2.base_11=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:16,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:16,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,943 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 12:48:16,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:16,947 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:16,947 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 12:48:16,955 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:16,955 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 12:48:16,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-07-22 12:48:16,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:16,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:16,979 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 12:48:16,980 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 12:48:16,980 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:16,980 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:17,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-07-22 12:48:17,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,013 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 12:48:17,032 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:17,032 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:17,045 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 12:48:17,067 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 12:48:17,098 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 12:48:17,198 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:17,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2022-07-22 12:48:17,200 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:17,200 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:17,200 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:17,200 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:17,200 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:17,201 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,201 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:17,201 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:17,201 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration6_Loop [2022-07-22 12:48:17,201 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:17,201 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:17,203 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 12:48:17,210 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 12:48:17,212 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 12:48:17,214 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 12:48:17,216 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 12:48:17,217 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 12:48:17,219 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 12:48:17,220 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 12:48:17,290 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:17,290 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:17,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,291 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 12:48:17,305 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 12:48:17,312 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 12:48:17,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:17,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:17,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:17,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:17,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:17,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:17,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:17,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:17,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:17,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,339 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 12:48:17,340 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 12:48:17,340 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 12:48:17,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:17,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:17,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:17,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:17,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:17,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:17,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:17,404 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 12:48:17,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,405 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 12:48:17,413 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 12:48:17,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:17,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:17,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:17,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:17,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:17,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:17,428 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 12:48:17,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:17,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:17,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,472 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 12:48:17,479 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 12:48:17,487 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 12:48:17,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:17,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:17,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:17,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:17,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:17,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:17,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:17,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:17,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,537 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 12:48:17,537 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 12:48:17,539 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 12:48:17,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:17,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:17,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:17,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:17,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:17,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:17,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:17,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:17,571 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 12:48:17,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,572 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 12:48:17,573 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 12:48:17,575 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 12:48:17,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:17,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:17,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:17,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:17,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:17,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:17,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:17,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:17,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,614 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 12:48:17,615 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 12:48:17,615 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 12:48:17,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:17,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:17,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:17,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:17,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:17,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:17,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:17,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:17,648 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 12:48:17,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,649 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 12:48:17,651 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 12:48:17,653 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 12:48:17,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:17,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:17,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:17,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:17,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:17,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:17,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:17,661 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:17,664 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:17,664 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:17,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,665 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 12:48:17,667 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 12:48:17,667 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:17,667 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:17,667 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:17,667 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 12:48:17,689 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 12:48:17,690 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:17,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:17,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:17,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:17,730 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:17,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:17,731 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 12:48:17,732 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 12:48:17,732 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 139 transitions. cyclomatic complexity: 103 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 12:48:17,751 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 139 transitions. cyclomatic complexity: 103. 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 58 states and 141 transitions. Complement of second has 2 states. [2022-07-22 12:48:17,751 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 12:48:17,752 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 12:48:17,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 14 transitions. [2022-07-22 12:48:17,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 14 transitions. Stem has 7 letters. Loop has 1 letters. [2022-07-22 12:48:17,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:17,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 14 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:17,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:17,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 14 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 12:48:17,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:17,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 141 transitions. [2022-07-22 12:48:17,755 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-22 12:48:17,756 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 54 states and 123 transitions. [2022-07-22 12:48:17,756 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2022-07-22 12:48:17,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2022-07-22 12:48:17,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 123 transitions. [2022-07-22 12:48:17,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:17,757 INFO L220 hiAutomatonCegarLoop]: Abstraction has 54 states and 123 transitions. [2022-07-22 12:48:17,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 123 transitions. [2022-07-22 12:48:17,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-07-22 12:48:17,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 2.2777777777777777) internal successors, (123), 53 states have internal predecessors, (123), 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 12:48:17,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 123 transitions. [2022-07-22 12:48:17,762 INFO L242 hiAutomatonCegarLoop]: Abstraction has 54 states and 123 transitions. [2022-07-22 12:48:17,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:48:17,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 12:48:17,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 12:48:17,763 INFO L87 Difference]: Start difference. First operand 54 states and 123 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 12:48:17,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:48:17,798 INFO L93 Difference]: Finished difference Result 55 states and 124 transitions. [2022-07-22 12:48:17,798 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 124 transitions. [2022-07-22 12:48:17,799 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-22 12:48:17,800 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 55 states and 124 transitions. [2022-07-22 12:48:17,800 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2022-07-22 12:48:17,800 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2022-07-22 12:48:17,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 124 transitions. [2022-07-22 12:48:17,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:17,801 INFO L220 hiAutomatonCegarLoop]: Abstraction has 55 states and 124 transitions. [2022-07-22 12:48:17,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 124 transitions. [2022-07-22 12:48:17,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2022-07-22 12:48:17,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 2.2777777777777777) internal successors, (123), 53 states have internal predecessors, (123), 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 12:48:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 123 transitions. [2022-07-22 12:48:17,806 INFO L242 hiAutomatonCegarLoop]: Abstraction has 54 states and 123 transitions. [2022-07-22 12:48:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:48:17,807 INFO L425 stractBuchiCegarLoop]: Abstraction has 54 states and 123 transitions. [2022-07-22 12:48:17,807 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-22 12:48:17,807 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 123 transitions. [2022-07-22 12:48:17,808 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-22 12:48:17,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:17,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:17,809 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:17,809 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:17,810 INFO L748 eck$LassoCheckResult]: Stem: 1512#[ULTIMATE.startENTRY]don't care [290] ULTIMATE.startENTRY-->L67-3: Formula: (let ((.cse0 (select |v_#memory_int_44| 1)) (.cse1 (store |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 1))) (and (= (select |v_#valid_97| 2) 1) (= (select |v_#valid_97| 1) 1) (= |v_#memory_int_43| (store |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45| (store (select |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) |v_ULTIMATE.start_main_~#t1~0#1.offset_35| |v_ULTIMATE.start_main_#t~pre6#1_27|))) (= (select |v_#length_58| 1) 2) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_41| 0) (< 0 |v_#StackHeapBarrier_22|) (= 48 (select .cse0 0)) (= (select |v_#valid_97| 0) 0) (= |v_ULTIMATE.start_main_#t~pre6#1_27| |v_#pthreadsForks_36|) (= (select .cse0 1) 0) (= (select |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_35| 0) (= (select |v_#length_58| 2) 21) (= |v_#NULL.offset_8| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51|) 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_51|) (= (store (store |v_#length_58| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_51| 4) |v_#length_57|) (= |v_#NULL.base_8| 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) (= |v_#valid_96| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51| 1)) (= |v_#pthreadsForks_35| (+ |v_#pthreadsForks_36| 1)) (= v_~counter~0_76 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_36|, #valid=|v_#valid_97|, #memory_int=|v_#memory_int_44|, #length=|v_#length_58|} OutVars{~counter~0=v_~counter~0_76, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_41|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_23|, #NULL.offset=|v_#NULL.offset_8|, ~N~0=v_~N~0_35, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_45|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_35|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_16|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_35|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_96|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_13|, #memory_int=|v_#memory_int_43|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, #length=|v_#length_57|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_51|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base] 1514#[L67-3]don't care [223] L67-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork1_thidvar0_2) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, 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] 1574#[thread1ENTRY, L67-4]don't care [198] 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] 1542#[L67-4, L41-4]don't care [280] L67-4-->L68-3: Formula: (and (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 1) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33| (store (select |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre8#1_19|)) |v_#memory_int_33|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (= (+ |v_#pthreadsForks_28| 1) |v_#pthreadsForks_27|) (= |v_ULTIMATE.start_main_#t~pre8#1_19| |v_#pthreadsForks_28|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_47| |v_ULTIMATE.start_main_~#t2~0#1.base_33|))) InVars {#pthreadsForks=|v_#pthreadsForks_28|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_34|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_21|, #pthreadsForks=|v_#pthreadsForks_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_9|, #memory_int=|v_#memory_int_33|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_19|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~pre8#1] 1546#[L68-3, L41-4]don't care [220] L68-3-->thread2ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork0_thidvar0_2) (= v_thread2Thread1of1ForFork0_thidvar2_2 0) (= v_thread2Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork0_#res#1.base=|v_thread2Thread1of1ForFork0_#res#1.base_4|, thread2Thread1of1ForFork0_#res#1.offset=|v_thread2Thread1of1ForFork0_#res#1.offset_4|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_2, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_12|, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_8|, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_#res#1.offset, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_thidvar2, thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_thidvar0, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 1566#[thread2ENTRY, L68-4, L41-4]don't care [208] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1] 1550#[L41-4, L51-4, L68-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 1552#[L41-4, L51-4, L68-4]don't care [2022-07-22 12:48:17,810 INFO L750 eck$LassoCheckResult]: Loop: 1552#[L41-4, L51-4, L68-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 1552#[L41-4, L51-4, L68-4]don't care [2022-07-22 12:48:17,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:17,810 INFO L85 PathProgramCache]: Analyzing trace with hash -593377069, now seen corresponding path program 1 times [2022-07-22 12:48:17,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:17,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921226230] [2022-07-22 12:48:17,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:17,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:17,823 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:17,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:17,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:17,835 INFO L85 PathProgramCache]: Analyzing trace with hash 310, now seen corresponding path program 6 times [2022-07-22 12:48:17,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:17,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019780090] [2022-07-22 12:48:17,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:17,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:17,838 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:17,841 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:17,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:17,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1214819676, now seen corresponding path program 2 times [2022-07-22 12:48:17,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:17,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879011382] [2022-07-22 12:48:17,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:17,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:17,859 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:17,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:17,899 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:17,899 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:17,899 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:17,899 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:17,899 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:17,899 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,899 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:17,900 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:17,900 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration7_Loop [2022-07-22 12:48:17,900 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:17,900 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:17,901 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 12:48:17,903 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 12:48:17,905 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 12:48:17,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:17,911 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 12:48:17,913 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 12:48:17,915 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 12:48:17,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:17,966 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:17,966 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:17,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:17,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:17,968 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 12:48:17,968 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 12:48:17,970 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:17,970 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:17,978 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:17,978 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 12:48:18,001 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 12:48:18,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,002 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 12:48:18,003 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 12:48:18,003 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:18,003 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:18,018 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:18,019 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 12:48:18,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2022-07-22 12:48:18,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,041 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 12:48:18,042 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 12:48:18,043 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:18,043 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:18,052 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:18,052 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 12:48:18,074 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 12:48:18,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,076 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 12:48:18,077 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:18,078 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:18,084 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 12:48:18,108 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 12:48:18,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,109 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 12:48:18,110 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 12:48:18,110 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:18,111 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:18,255 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:18,257 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 12:48:18,258 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:18,258 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:18,258 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:18,258 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:18,258 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:18,258 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,258 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:18,258 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:18,258 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration7_Loop [2022-07-22 12:48:18,258 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:18,258 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:18,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:18,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:18,267 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 12:48:18,268 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 12:48:18,273 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 12:48:18,275 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 12:48:18,277 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 12:48:18,280 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 12:48:18,330 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:18,330 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:18,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,332 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 12:48:18,336 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 12:48:18,336 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 12:48:18,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:18,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:18,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:18,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:18,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:18,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:18,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:18,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:18,366 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 12:48:18,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,367 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 12:48:18,369 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 12:48:18,369 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 12:48:18,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:18,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:18,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:18,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:18,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:18,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:18,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:18,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2022-07-22 12:48:18,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,417 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 12:48:18,419 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 12:48:18,419 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 12:48:18,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:18,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:18,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:18,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:18,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:18,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:18,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:18,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:18,451 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 12:48:18,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,452 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 12:48:18,453 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 12:48:18,453 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 12:48:18,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:18,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:18,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:18,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:18,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:18,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:18,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:18,464 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:18,472 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:18,472 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:18,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,475 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 12:48:18,479 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 12:48:18,479 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:18,480 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:18,480 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:18,480 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 12:48:18,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2022-07-22 12:48:18,502 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:18,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:18,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:18,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:18,553 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:18,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:18,553 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 12:48:18,554 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 12:48:18,554 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 54 states and 123 transitions. cyclomatic complexity: 87 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 12:48:18,587 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 54 states and 123 transitions. cyclomatic complexity: 87. 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 67 states and 164 transitions. Complement of second has 3 states. [2022-07-22 12:48:18,588 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 12:48:18,589 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 12:48:18,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 9 transitions. [2022-07-22 12:48:18,589 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 9 transitions. Stem has 7 letters. Loop has 1 letters. [2022-07-22 12:48:18,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:18,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 9 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:18,590 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:18,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 12:48:18,590 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:18,590 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 164 transitions. [2022-07-22 12:48:18,591 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-22 12:48:18,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 67 states and 164 transitions. [2022-07-22 12:48:18,593 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2022-07-22 12:48:18,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2022-07-22 12:48:18,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 164 transitions. [2022-07-22 12:48:18,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:18,594 INFO L220 hiAutomatonCegarLoop]: Abstraction has 67 states and 164 transitions. [2022-07-22 12:48:18,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 164 transitions. [2022-07-22 12:48:18,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 56. [2022-07-22 12:48:18,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 2.3392857142857144) internal successors, (131), 55 states have internal predecessors, (131), 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 12:48:18,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 131 transitions. [2022-07-22 12:48:18,604 INFO L242 hiAutomatonCegarLoop]: Abstraction has 56 states and 131 transitions. [2022-07-22 12:48:18,605 INFO L425 stractBuchiCegarLoop]: Abstraction has 56 states and 131 transitions. [2022-07-22 12:48:18,605 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-07-22 12:48:18,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 131 transitions. [2022-07-22 12:48:18,606 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-22 12:48:18,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:18,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:18,607 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:18,607 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:18,607 INFO L748 eck$LassoCheckResult]: Stem: 1727#[ULTIMATE.startENTRY]don't care [290] ULTIMATE.startENTRY-->L67-3: Formula: (let ((.cse0 (select |v_#memory_int_44| 1)) (.cse1 (store |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 1))) (and (= (select |v_#valid_97| 2) 1) (= (select |v_#valid_97| 1) 1) (= |v_#memory_int_43| (store |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45| (store (select |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) |v_ULTIMATE.start_main_~#t1~0#1.offset_35| |v_ULTIMATE.start_main_#t~pre6#1_27|))) (= (select |v_#length_58| 1) 2) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_41| 0) (< 0 |v_#StackHeapBarrier_22|) (= 48 (select .cse0 0)) (= (select |v_#valid_97| 0) 0) (= |v_ULTIMATE.start_main_#t~pre6#1_27| |v_#pthreadsForks_36|) (= (select .cse0 1) 0) (= (select |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_35| 0) (= (select |v_#length_58| 2) 21) (= |v_#NULL.offset_8| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51|) 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_51|) (= (store (store |v_#length_58| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_51| 4) |v_#length_57|) (= |v_#NULL.base_8| 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) (= |v_#valid_96| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51| 1)) (= |v_#pthreadsForks_35| (+ |v_#pthreadsForks_36| 1)) (= v_~counter~0_76 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_36|, #valid=|v_#valid_97|, #memory_int=|v_#memory_int_44|, #length=|v_#length_58|} OutVars{~counter~0=v_~counter~0_76, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_41|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_23|, #NULL.offset=|v_#NULL.offset_8|, ~N~0=v_~N~0_35, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_45|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_35|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_16|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_35|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_96|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_13|, #memory_int=|v_#memory_int_43|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, #length=|v_#length_57|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_51|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base] 1729#[L67-3]don't care [223] L67-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork1_thidvar0_2) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, 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] 1789#[thread1ENTRY, L67-4]don't care [198] 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] 1757#[L67-4, L41-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 1759#[L67-4, L41-4]don't care [280] L67-4-->L68-3: Formula: (and (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 1) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33| (store (select |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre8#1_19|)) |v_#memory_int_33|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (= (+ |v_#pthreadsForks_28| 1) |v_#pthreadsForks_27|) (= |v_ULTIMATE.start_main_#t~pre8#1_19| |v_#pthreadsForks_28|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_47| |v_ULTIMATE.start_main_~#t2~0#1.base_33|))) InVars {#pthreadsForks=|v_#pthreadsForks_28|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_34|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_21|, #pthreadsForks=|v_#pthreadsForks_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_9|, #memory_int=|v_#memory_int_33|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_19|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~pre8#1] 1763#[L68-3, L41-4]don't care [220] L68-3-->thread2ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork0_thidvar0_2) (= v_thread2Thread1of1ForFork0_thidvar2_2 0) (= v_thread2Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork0_#res#1.base=|v_thread2Thread1of1ForFork0_#res#1.base_4|, thread2Thread1of1ForFork0_#res#1.offset=|v_thread2Thread1of1ForFork0_#res#1.offset_4|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_2, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_12|, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_8|, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_#res#1.offset, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_thidvar2, thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_thidvar0, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 1807#[thread2ENTRY, L68-4, L41-4]don't care [208] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1] 1815#[L41-4, L51-4, L68-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 1819#[L41-4, L51-4, L68-4]don't care [2022-07-22 12:48:18,608 INFO L750 eck$LassoCheckResult]: Loop: 1819#[L41-4, L51-4, L68-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 1819#[L41-4, L51-4, L68-4]don't care [2022-07-22 12:48:18,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:18,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1213946406, now seen corresponding path program 3 times [2022-07-22 12:48:18,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:18,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834601171] [2022-07-22 12:48:18,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:18,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:18,645 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:18,669 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:18,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:18,670 INFO L85 PathProgramCache]: Analyzing trace with hash 310, now seen corresponding path program 7 times [2022-07-22 12:48:18,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:18,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540187182] [2022-07-22 12:48:18,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:18,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:18,676 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:18,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:18,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:18,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1022367357, now seen corresponding path program 4 times [2022-07-22 12:48:18,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:18,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811570834] [2022-07-22 12:48:18,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:18,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:18,699 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:18,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:18,729 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:18,729 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:18,729 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:18,729 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:18,729 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:18,729 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,729 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:18,730 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:18,730 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration8_Loop [2022-07-22 12:48:18,730 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:18,730 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:18,731 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 12:48:18,733 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 12:48:18,735 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 12:48:18,737 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 12:48:18,741 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 12:48:18,742 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 12:48:18,744 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 12:48:18,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:18,799 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:18,799 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:18,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,801 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 12:48:18,809 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:18,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:18,824 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 12:48:18,828 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:18,828 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 12:48:18,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2022-07-22 12:48:18,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,851 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 12:48:18,852 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 12:48:18,852 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:18,852 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:18,881 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 12:48:18,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,882 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 12:48:18,882 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 12:48:18,883 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:18,883 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:18,905 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:18,905 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter~0=0} Honda state: {~counter~0=0} Generalized eigenvectors: [{~counter~0=-6}, {~counter~0=6}, {~counter~0=1}] Lambdas: [2, 1, 1] Nus: [1, 0] [2022-07-22 12:48:18,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:18,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,929 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 12:48:18,935 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 12:48:18,935 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:18,935 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:18,950 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:18,950 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 12:48:18,971 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 12:48:18,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:18,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:18,972 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 12:48:18,973 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 12:48:18,973 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:18,973 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:19,004 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 12:48:19,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,006 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 12:48:19,007 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 12:48:19,008 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:19,008 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:19,153 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:19,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:19,156 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:19,156 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:19,156 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:19,156 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:19,156 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:19,156 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,157 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:19,157 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:19,157 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration8_Loop [2022-07-22 12:48:19,157 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:19,157 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:19,158 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 12:48:19,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,167 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 12:48:19,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,230 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:19,230 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:19,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,231 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 12:48:19,237 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 12:48:19,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:19,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:19,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:19,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:19,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:19,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:19,251 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 12:48:19,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:19,292 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 12:48:19,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,293 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 12:48:19,296 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 12:48:19,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:19,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:19,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:19,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:19,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:19,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:19,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:19,307 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 12:48:19,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:19,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:19,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,341 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 12:48:19,342 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 12:48:19,342 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 12:48:19,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:19,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:19,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:19,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:19,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:19,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:19,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:19,375 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 12:48:19,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,376 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 12:48:19,376 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 12:48:19,377 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 12:48:19,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:19,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:19,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:19,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:19,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:19,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:19,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:19,388 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:19,390 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:19,390 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:48:19,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,392 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 12:48:19,393 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 12:48:19,393 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:19,393 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:19,393 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:19,393 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 12:48:19,415 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 12:48:19,415 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:19,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:19,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:19,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:19,474 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:19,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:19,475 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 12:48:19,476 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 12:48:19,476 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 131 transitions. cyclomatic complexity: 94 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 12:48:19,501 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 131 transitions. cyclomatic complexity: 94. 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 67 states and 164 transitions. Complement of second has 3 states. [2022-07-22 12:48:19,502 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 12:48:19,502 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 12:48:19,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 9 transitions. [2022-07-22 12:48:19,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 9 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:19,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:19,503 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:48:19,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:19,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:19,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:19,539 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 12:48:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:19,548 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:19,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:19,549 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 12:48:19,553 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 12:48:19,553 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 131 transitions. cyclomatic complexity: 94 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 12:48:19,574 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 12:48:19,579 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 131 transitions. cyclomatic complexity: 94. 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 67 states and 164 transitions. Complement of second has 3 states. [2022-07-22 12:48:19,580 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 12:48:19,581 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 12:48:19,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 9 transitions. [2022-07-22 12:48:19,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 9 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:19,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:19,582 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:48:19,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:19,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:19,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:19,618 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:19,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:19,618 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 12:48:19,619 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 12:48:19,619 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 131 transitions. cyclomatic complexity: 94 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 12:48:19,646 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 131 transitions. cyclomatic complexity: 94. 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 68 states and 168 transitions. Complement of second has 2 states. [2022-07-22 12:48:19,647 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 12:48:19,648 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 12:48:19,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 14 transitions. [2022-07-22 12:48:19,648 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 14 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:19,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:19,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 14 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:48:19,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:19,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 14 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:48:19,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:19,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 168 transitions. [2022-07-22 12:48:19,651 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 12 [2022-07-22 12:48:19,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 68 states and 168 transitions. [2022-07-22 12:48:19,652 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2022-07-22 12:48:19,652 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2022-07-22 12:48:19,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 168 transitions. [2022-07-22 12:48:19,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:19,653 INFO L220 hiAutomatonCegarLoop]: Abstraction has 68 states and 168 transitions. [2022-07-22 12:48:19,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 168 transitions. [2022-07-22 12:48:19,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 56. [2022-07-22 12:48:19,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 2.3392857142857144) internal successors, (131), 55 states have internal predecessors, (131), 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 12:48:19,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 131 transitions. [2022-07-22 12:48:19,658 INFO L242 hiAutomatonCegarLoop]: Abstraction has 56 states and 131 transitions. [2022-07-22 12:48:19,658 INFO L425 stractBuchiCegarLoop]: Abstraction has 56 states and 131 transitions. [2022-07-22 12:48:19,659 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-07-22 12:48:19,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 131 transitions. [2022-07-22 12:48:19,660 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 10 [2022-07-22 12:48:19,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:19,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:19,660 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:19,660 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-22 12:48:19,661 INFO L748 eck$LassoCheckResult]: Stem: 2137#[ULTIMATE.startENTRY]don't care [290] ULTIMATE.startENTRY-->L67-3: Formula: (let ((.cse0 (select |v_#memory_int_44| 1)) (.cse1 (store |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 1))) (and (= (select |v_#valid_97| 2) 1) (= (select |v_#valid_97| 1) 1) (= |v_#memory_int_43| (store |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45| (store (select |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) |v_ULTIMATE.start_main_~#t1~0#1.offset_35| |v_ULTIMATE.start_main_#t~pre6#1_27|))) (= (select |v_#length_58| 1) 2) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_41| 0) (< 0 |v_#StackHeapBarrier_22|) (= 48 (select .cse0 0)) (= (select |v_#valid_97| 0) 0) (= |v_ULTIMATE.start_main_#t~pre6#1_27| |v_#pthreadsForks_36|) (= (select .cse0 1) 0) (= (select |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_35| 0) (= (select |v_#length_58| 2) 21) (= |v_#NULL.offset_8| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51|) 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_51|) (= (store (store |v_#length_58| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_51| 4) |v_#length_57|) (= |v_#NULL.base_8| 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) (= |v_#valid_96| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51| 1)) (= |v_#pthreadsForks_35| (+ |v_#pthreadsForks_36| 1)) (= v_~counter~0_76 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_36|, #valid=|v_#valid_97|, #memory_int=|v_#memory_int_44|, #length=|v_#length_58|} OutVars{~counter~0=v_~counter~0_76, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_41|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_23|, #NULL.offset=|v_#NULL.offset_8|, ~N~0=v_~N~0_35, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_45|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_35|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_16|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_35|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_96|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_13|, #memory_int=|v_#memory_int_43|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, #length=|v_#length_57|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_51|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base] 2139#[L67-3]don't care [223] L67-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork1_thidvar0_2) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, 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] 2197#[thread1ENTRY, L67-4]don't care [198] 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] 2167#[L67-4, L41-4]don't care [280] L67-4-->L68-3: Formula: (and (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 1) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33| (store (select |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre8#1_19|)) |v_#memory_int_33|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (= (+ |v_#pthreadsForks_28| 1) |v_#pthreadsForks_27|) (= |v_ULTIMATE.start_main_#t~pre8#1_19| |v_#pthreadsForks_28|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_47| |v_ULTIMATE.start_main_~#t2~0#1.base_33|))) InVars {#pthreadsForks=|v_#pthreadsForks_28|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_34|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_21|, #pthreadsForks=|v_#pthreadsForks_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_9|, #memory_int=|v_#memory_int_33|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_19|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~pre8#1] 2171#[L68-3, L41-4]don't care [220] L68-3-->thread2ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork0_thidvar0_2) (= v_thread2Thread1of1ForFork0_thidvar2_2 0) (= v_thread2Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork0_#res#1.base=|v_thread2Thread1of1ForFork0_#res#1.base_4|, thread2Thread1of1ForFork0_#res#1.offset=|v_thread2Thread1of1ForFork0_#res#1.offset_4|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_2, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_12|, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_8|, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_#res#1.offset, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_thidvar2, thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_thidvar0, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 2189#[thread2ENTRY, L68-4, L41-4]don't care [208] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1] 2175#[L41-4, L51-4, L68-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 2177#[L41-4, L51-4, L68-4]don't care [2022-07-22 12:48:19,661 INFO L750 eck$LassoCheckResult]: Loop: 2177#[L41-4, L51-4, L68-4]don't care [281] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| (ite (< 0 v_~counter~0_71) 1 0)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|) (= v_~counter~0_71 (+ v_~counter~0_70 1)) (< |v_thread2Thread1of1ForFork0_~i~1#1_28| v_~N~0_29) (= (+ |v_thread2Thread1of1ForFork0_~i~1#1_28| 1) |v_thread2Thread1of1ForFork0_~i~1#1_27|) (not (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7| 0))) InVars {~counter~0=v_~counter~0_71, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_28|, ~N~0=v_~N~0_29} OutVars{~counter~0=v_~counter~0_70, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_27|, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_15|, ~N~0=v_~N~0_29, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_7|} AuxVars[] AssignedVars[~counter~0, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 2225#[L41-4, L51-4, L68-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 2177#[L41-4, L51-4, L68-4]don't care [2022-07-22 12:48:19,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:19,662 INFO L85 PathProgramCache]: Analyzing trace with hash -593377069, now seen corresponding path program 5 times [2022-07-22 12:48:19,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:19,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372650232] [2022-07-22 12:48:19,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:19,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:19,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:19,673 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:19,683 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:19,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:19,684 INFO L85 PathProgramCache]: Analyzing trace with hash 9951, now seen corresponding path program 1 times [2022-07-22 12:48:19,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:19,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690613566] [2022-07-22 12:48:19,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:19,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:19,690 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:19,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:19,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:19,695 INFO L85 PathProgramCache]: Analyzing trace with hash 995296049, now seen corresponding path program 1 times [2022-07-22 12:48:19,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:19,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679939837] [2022-07-22 12:48:19,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:19,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:19,708 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:19,729 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:19,805 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:19,805 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:19,805 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:19,805 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:19,805 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:19,805 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,806 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:19,806 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:19,806 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration9_Loop [2022-07-22 12:48:19,806 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:19,806 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:19,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,809 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 12:48:19,812 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 12:48:19,822 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 12:48:19,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,828 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 12:48:19,831 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 12:48:19,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,835 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 12:48:19,838 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 12:48:19,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:19,919 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:19,919 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:19,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,923 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 12:48:19,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:19,931 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:19,941 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 12:48:19,949 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:19,949 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork0_#t~post4#1=0} Honda state: {thread2Thread1of1ForFork0_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:19,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:19,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:19,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:19,976 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 12:48:19,979 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 12:48:19,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:19,980 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:19,993 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:19,993 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter~0=1} Honda state: {~counter~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:20,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:20,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,016 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 12:48:20,017 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:20,018 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:20,019 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 12:48:20,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:20,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,048 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 12:48:20,049 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 12:48:20,049 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:20,050 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:20,283 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:20,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2022-07-22 12:48:20,286 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:20,286 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:20,286 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:20,286 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:20,286 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:20,286 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,286 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:20,287 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:20,287 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration9_Loop [2022-07-22 12:48:20,287 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:20,287 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:20,288 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 12:48:20,290 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 12:48:20,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:20,303 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 12:48:20,305 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 12:48:20,307 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 12:48:20,309 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 12:48:20,311 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 12:48:20,314 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 12:48:20,315 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 12:48:20,388 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:20,388 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:20,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,390 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 12:48:20,404 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 12:48:20,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:20,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:20,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:20,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:20,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:20,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:20,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:20,415 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 12:48:20,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:20,446 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 12:48:20,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,447 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 12:48:20,448 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 12:48:20,448 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 12:48:20,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:20,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:20,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:20,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:20,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:20,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:20,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:20,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:20,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:20,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,490 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 12:48:20,491 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 12:48:20,491 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 12:48:20,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:20,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:20,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:20,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:20,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:20,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:20,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:20,506 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:20,508 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:20,508 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:48:20,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,509 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 12:48:20,510 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 12:48:20,511 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:20,511 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:20,511 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:20,511 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 12:48:20,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2022-07-22 12:48:20,535 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:20,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:20,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:20,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:20,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:20,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:20,586 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 12:48:20,587 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 12:48:20,587 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 131 transitions. cyclomatic complexity: 92 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 12:48:20,624 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 131 transitions. cyclomatic complexity: 92. 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 114 states and 306 transitions. Complement of second has 4 states. [2022-07-22 12:48:20,625 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 12:48:20,625 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 12:48:20,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2022-07-22 12:48:20,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-22 12:48:20,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:20,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-22 12:48:20,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:20,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 7 letters. Loop has 4 letters. [2022-07-22 12:48:20,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:20,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 306 transitions. [2022-07-22 12:48:20,628 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-22 12:48:20,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 93 states and 235 transitions. [2022-07-22 12:48:20,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2022-07-22 12:48:20,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 55 [2022-07-22 12:48:20,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 93 states and 235 transitions. [2022-07-22 12:48:20,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:20,631 INFO L220 hiAutomatonCegarLoop]: Abstraction has 93 states and 235 transitions. [2022-07-22 12:48:20,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states and 235 transitions. [2022-07-22 12:48:20,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 71. [2022-07-22 12:48:20,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 71 states have (on average 2.535211267605634) internal successors, (180), 70 states have internal predecessors, (180), 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 12:48:20,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 180 transitions. [2022-07-22 12:48:20,636 INFO L242 hiAutomatonCegarLoop]: Abstraction has 71 states and 180 transitions. [2022-07-22 12:48:20,636 INFO L425 stractBuchiCegarLoop]: Abstraction has 71 states and 180 transitions. [2022-07-22 12:48:20,636 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-07-22 12:48:20,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 180 transitions. [2022-07-22 12:48:20,637 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-22 12:48:20,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:20,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:20,638 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:20,638 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:20,639 INFO L748 eck$LassoCheckResult]: Stem: 2408#[ULTIMATE.startENTRY]don't care [290] ULTIMATE.startENTRY-->L67-3: Formula: (let ((.cse0 (select |v_#memory_int_44| 1)) (.cse1 (store |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 1))) (and (= (select |v_#valid_97| 2) 1) (= (select |v_#valid_97| 1) 1) (= |v_#memory_int_43| (store |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45| (store (select |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) |v_ULTIMATE.start_main_~#t1~0#1.offset_35| |v_ULTIMATE.start_main_#t~pre6#1_27|))) (= (select |v_#length_58| 1) 2) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_41| 0) (< 0 |v_#StackHeapBarrier_22|) (= 48 (select .cse0 0)) (= (select |v_#valid_97| 0) 0) (= |v_ULTIMATE.start_main_#t~pre6#1_27| |v_#pthreadsForks_36|) (= (select .cse0 1) 0) (= (select |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_35| 0) (= (select |v_#length_58| 2) 21) (= |v_#NULL.offset_8| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51|) 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_51|) (= (store (store |v_#length_58| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_51| 4) |v_#length_57|) (= |v_#NULL.base_8| 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) (= |v_#valid_96| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51| 1)) (= |v_#pthreadsForks_35| (+ |v_#pthreadsForks_36| 1)) (= v_~counter~0_76 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_36|, #valid=|v_#valid_97|, #memory_int=|v_#memory_int_44|, #length=|v_#length_58|} OutVars{~counter~0=v_~counter~0_76, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_41|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_23|, #NULL.offset=|v_#NULL.offset_8|, ~N~0=v_~N~0_35, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_45|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_35|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_16|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_35|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_96|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_13|, #memory_int=|v_#memory_int_43|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, #length=|v_#length_57|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_51|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base] 2410#[L67-3]don't care [223] L67-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork1_thidvar0_2) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, 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] 2484#[thread1ENTRY, L67-4]don't care [198] 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] 2438#[L67-4, L41-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 2440#[L67-4, L41-4]don't care [280] L67-4-->L68-3: Formula: (and (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 1) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33| (store (select |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre8#1_19|)) |v_#memory_int_33|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (= (+ |v_#pthreadsForks_28| 1) |v_#pthreadsForks_27|) (= |v_ULTIMATE.start_main_#t~pre8#1_19| |v_#pthreadsForks_28|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_47| |v_ULTIMATE.start_main_~#t2~0#1.base_33|))) InVars {#pthreadsForks=|v_#pthreadsForks_28|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_34|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_21|, #pthreadsForks=|v_#pthreadsForks_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_9|, #memory_int=|v_#memory_int_33|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_19|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~pre8#1] 2444#[L68-3, L41-4]don't care [220] L68-3-->thread2ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork0_thidvar0_2) (= v_thread2Thread1of1ForFork0_thidvar2_2 0) (= v_thread2Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork0_#res#1.base=|v_thread2Thread1of1ForFork0_#res#1.base_4|, thread2Thread1of1ForFork0_#res#1.offset=|v_thread2Thread1of1ForFork0_#res#1.offset_4|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_2, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_12|, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_8|, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_#res#1.offset, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_thidvar2, thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_thidvar0, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 2472#[thread2ENTRY, L68-4, L41-4]don't care [208] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1] 2506#[L41-4, L51-4, L68-4]don't care [265] L68-4-->L69-1: Formula: (and (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_19|) (select |v_#length_37| |v_ULTIMATE.start_main_~#t1~0#1.base_23|)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_19|) (= (select |v_#valid_58| |v_ULTIMATE.start_main_~#t1~0#1.base_23|) 1) (= (select (select |v_#memory_int_21| |v_ULTIMATE.start_main_~#t1~0#1.base_23|) |v_ULTIMATE.start_main_~#t1~0#1.offset_19|) |v_ULTIMATE.start_main_#t~mem10#1_12|)) InVars {#valid=|v_#valid_58|, #memory_int=|v_#memory_int_21|, #length=|v_#length_37|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_23|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_19|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_9|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_21|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_15|, #length=|v_#length_37|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_23|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_19|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#t~pre8#1, ULTIMATE.start_main_#t~mem10#1] 2504#[L51-4, L69-1, L41-4]don't care [2022-07-22 12:48:20,639 INFO L750 eck$LassoCheckResult]: Loop: 2504#[L51-4, L69-1, L41-4]don't care [281] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| (ite (< 0 v_~counter~0_71) 1 0)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|) (= v_~counter~0_71 (+ v_~counter~0_70 1)) (< |v_thread2Thread1of1ForFork0_~i~1#1_28| v_~N~0_29) (= (+ |v_thread2Thread1of1ForFork0_~i~1#1_28| 1) |v_thread2Thread1of1ForFork0_~i~1#1_27|) (not (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7| 0))) InVars {~counter~0=v_~counter~0_71, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_28|, ~N~0=v_~N~0_29} OutVars{~counter~0=v_~counter~0_70, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_27|, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_15|, ~N~0=v_~N~0_29, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_7|} AuxVars[] AssignedVars[~counter~0, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 2504#[L51-4, L69-1, L41-4]don't care [2022-07-22 12:48:20,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:20,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1213946420, now seen corresponding path program 1 times [2022-07-22 12:48:20,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:20,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947782719] [2022-07-22 12:48:20,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:20,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:20,653 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:20,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:20,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:20,665 INFO L85 PathProgramCache]: Analyzing trace with hash 312, now seen corresponding path program 2 times [2022-07-22 12:48:20,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:20,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443684271] [2022-07-22 12:48:20,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:20,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:20,670 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:20,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:20,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:20,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1022366925, now seen corresponding path program 1 times [2022-07-22 12:48:20,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:20,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846025709] [2022-07-22 12:48:20,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:20,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:20,686 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:20,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:20,742 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:20,742 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:20,742 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:20,742 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:20,743 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:20,743 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,743 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:20,743 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:20,743 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration10_Loop [2022-07-22 12:48:20,743 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:20,743 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:20,744 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 12:48:20,748 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 12:48:20,752 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 12:48:20,754 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 12:48:20,758 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 12:48:20,760 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 12:48:20,762 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 12:48:20,764 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 12:48:20,766 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 12:48:20,822 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:20,822 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:20,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,824 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 12:48:20,825 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 12:48:20,826 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:20,826 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:20,856 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 12:48:20,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:20,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:20,857 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 12:48:20,858 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 12:48:20,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:20,858 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:21,016 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:21,019 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 12:48:21,019 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:21,019 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:21,019 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:21,019 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:21,019 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:21,020 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,020 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:21,020 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:21,020 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration10_Loop [2022-07-22 12:48:21,020 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:21,020 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:21,021 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 12:48:21,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,031 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 12:48:21,034 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 12:48:21,041 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 12:48:21,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,047 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 12:48:21,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,114 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:21,114 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:21,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,116 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 12:48:21,122 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 12:48:21,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:21,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:21,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:21,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:21,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:21,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:21,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:21,135 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 12:48:21,143 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:21,149 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:21,149 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:21,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,150 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 12:48:21,152 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:21,152 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:21,152 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:21,153 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork0_~i~1#1, ~N~0) = -1*thread2Thread1of1ForFork0_~i~1#1 + 1*~N~0 Supporting invariants [] [2022-07-22 12:48:21,165 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 12:48:21,178 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 12:48:21,179 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:21,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:21,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:21,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:21,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:21,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:21,222 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 12:48:21,223 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 12:48:21,223 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 71 states and 180 transitions. cyclomatic complexity: 133 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 12:48:21,252 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 71 states and 180 transitions. cyclomatic complexity: 133. 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 91 states and 225 transitions. Complement of second has 3 states. [2022-07-22 12:48:21,258 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 12:48:21,259 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 12:48:21,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 11 transitions. [2022-07-22 12:48:21,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:21,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:21,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:48:21,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:21,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:48:21,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:21,261 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 225 transitions. [2022-07-22 12:48:21,265 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-22 12:48:21,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 91 states and 225 transitions. [2022-07-22 12:48:21,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2022-07-22 12:48:21,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2022-07-22 12:48:21,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 225 transitions. [2022-07-22 12:48:21,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:21,269 INFO L220 hiAutomatonCegarLoop]: Abstraction has 91 states and 225 transitions. [2022-07-22 12:48:21,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 225 transitions. [2022-07-22 12:48:21,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 71. [2022-07-22 12:48:21,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 71 states have (on average 2.535211267605634) internal successors, (180), 70 states have internal predecessors, (180), 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 12:48:21,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 180 transitions. [2022-07-22 12:48:21,287 INFO L242 hiAutomatonCegarLoop]: Abstraction has 71 states and 180 transitions. [2022-07-22 12:48:21,287 INFO L425 stractBuchiCegarLoop]: Abstraction has 71 states and 180 transitions. [2022-07-22 12:48:21,287 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-07-22 12:48:21,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 180 transitions. [2022-07-22 12:48:21,292 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-22 12:48:21,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:21,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:21,293 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:21,293 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:21,297 INFO L748 eck$LassoCheckResult]: Stem: 2684#[ULTIMATE.startENTRY]don't care [290] ULTIMATE.startENTRY-->L67-3: Formula: (let ((.cse0 (select |v_#memory_int_44| 1)) (.cse1 (store |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 1))) (and (= (select |v_#valid_97| 2) 1) (= (select |v_#valid_97| 1) 1) (= |v_#memory_int_43| (store |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45| (store (select |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) |v_ULTIMATE.start_main_~#t1~0#1.offset_35| |v_ULTIMATE.start_main_#t~pre6#1_27|))) (= (select |v_#length_58| 1) 2) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_41| 0) (< 0 |v_#StackHeapBarrier_22|) (= 48 (select .cse0 0)) (= (select |v_#valid_97| 0) 0) (= |v_ULTIMATE.start_main_#t~pre6#1_27| |v_#pthreadsForks_36|) (= (select .cse0 1) 0) (= (select |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_35| 0) (= (select |v_#length_58| 2) 21) (= |v_#NULL.offset_8| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51|) 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_51|) (= (store (store |v_#length_58| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_51| 4) |v_#length_57|) (= |v_#NULL.base_8| 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) (= |v_#valid_96| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51| 1)) (= |v_#pthreadsForks_35| (+ |v_#pthreadsForks_36| 1)) (= v_~counter~0_76 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_36|, #valid=|v_#valid_97|, #memory_int=|v_#memory_int_44|, #length=|v_#length_58|} OutVars{~counter~0=v_~counter~0_76, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_41|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_23|, #NULL.offset=|v_#NULL.offset_8|, ~N~0=v_~N~0_35, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_45|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_35|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_16|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_35|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_96|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_13|, #memory_int=|v_#memory_int_43|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, #length=|v_#length_57|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_51|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base] 2686#[L67-3]don't care [223] L67-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork1_thidvar0_2) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, 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] 2754#[thread1ENTRY, L67-4]don't care [198] 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] 2714#[L67-4, L41-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 2716#[L67-4, L41-4]don't care [280] L67-4-->L68-3: Formula: (and (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 1) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33| (store (select |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre8#1_19|)) |v_#memory_int_33|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (= (+ |v_#pthreadsForks_28| 1) |v_#pthreadsForks_27|) (= |v_ULTIMATE.start_main_#t~pre8#1_19| |v_#pthreadsForks_28|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_47| |v_ULTIMATE.start_main_~#t2~0#1.base_33|))) InVars {#pthreadsForks=|v_#pthreadsForks_28|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_34|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_21|, #pthreadsForks=|v_#pthreadsForks_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_9|, #memory_int=|v_#memory_int_33|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_19|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~pre8#1] 2722#[L68-3, L41-4]don't care [220] L68-3-->thread2ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork0_thidvar0_2) (= v_thread2Thread1of1ForFork0_thidvar2_2 0) (= v_thread2Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork0_#res#1.base=|v_thread2Thread1of1ForFork0_#res#1.base_4|, thread2Thread1of1ForFork0_#res#1.offset=|v_thread2Thread1of1ForFork0_#res#1.offset_4|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_2, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_12|, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_8|, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_#res#1.offset, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_thidvar2, thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_thidvar0, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 2780#[thread2ENTRY, L68-4, L41-4]don't care [208] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1] 2774#[L41-4, L51-4, L68-4]don't care [269] L41-4-->thread1EXIT: Formula: (and (= |v_thread1Thread1of1ForFork1_#res.base_9| 0) (= |v_thread1Thread1of1ForFork1_#res.offset_9| 0) (not (< v_thread1Thread1of1ForFork1_~i~0_23 v_~N~0_19))) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_23, ~N~0=v_~N~0_19} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_23, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_9|, ~N~0=v_~N~0_19} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#res.offset] 2770#[L51-4, thread1EXIT, L68-4]don't care [2022-07-22 12:48:21,297 INFO L750 eck$LassoCheckResult]: Loop: 2770#[L51-4, thread1EXIT, L68-4]don't care [281] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| (ite (< 0 v_~counter~0_71) 1 0)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|) (= v_~counter~0_71 (+ v_~counter~0_70 1)) (< |v_thread2Thread1of1ForFork0_~i~1#1_28| v_~N~0_29) (= (+ |v_thread2Thread1of1ForFork0_~i~1#1_28| 1) |v_thread2Thread1of1ForFork0_~i~1#1_27|) (not (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7| 0))) InVars {~counter~0=v_~counter~0_71, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_28|, ~N~0=v_~N~0_29} OutVars{~counter~0=v_~counter~0_70, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_27|, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_15|, ~N~0=v_~N~0_29, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_7|} AuxVars[] AssignedVars[~counter~0, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 2770#[L51-4, thread1EXIT, L68-4]don't care [2022-07-22 12:48:21,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:21,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1213946416, now seen corresponding path program 1 times [2022-07-22 12:48:21,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:21,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148401926] [2022-07-22 12:48:21,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:21,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:21,318 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:21,338 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:21,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:21,340 INFO L85 PathProgramCache]: Analyzing trace with hash 312, now seen corresponding path program 3 times [2022-07-22 12:48:21,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:21,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932629452] [2022-07-22 12:48:21,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:21,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:21,348 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:21,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:21,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:21,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1022367049, now seen corresponding path program 1 times [2022-07-22 12:48:21,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:21,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541299362] [2022-07-22 12:48:21,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:21,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:21,371 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:21,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:21,450 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:21,451 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:21,451 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:21,451 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:21,451 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:21,451 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,451 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:21,451 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:21,451 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration11_Loop [2022-07-22 12:48:21,451 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:21,451 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:21,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,547 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:21,547 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:21,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,549 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 12:48:21,550 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 12:48:21,551 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:21,551 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:21,580 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 12:48:21,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,581 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 12:48:21,582 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 12:48:21,582 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:21,582 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:21,736 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:21,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:21,739 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:21,739 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:21,739 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:21,739 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:21,739 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:21,739 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,739 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:21,739 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:21,739 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration11_Loop [2022-07-22 12:48:21,739 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:21,739 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:21,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,769 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 12:48:21,772 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 12:48:21,773 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 12:48:21,775 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 12:48:21,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:21,781 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 12:48:21,786 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 12:48:21,811 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 12:48:21,838 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 12:48:21,852 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:21,853 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:21,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,854 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 12:48:21,855 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 12:48:21,855 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 12:48:21,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:21,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:21,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:21,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:21,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:21,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:21,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:21,865 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:21,867 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-22 12:48:21,868 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:21,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:21,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:21,869 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 12:48:21,869 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 12:48:21,870 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:21,870 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:21,870 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:21,870 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread2Thread1of1ForFork0_~i~1#1) = 1*~N~0 - 1*thread2Thread1of1ForFork0_~i~1#1 Supporting invariants [] [2022-07-22 12:48:21,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2022-07-22 12:48:21,895 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:21,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:21,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:21,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:21,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:21,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:21,951 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 12:48:21,952 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 12:48:21,952 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 71 states and 180 transitions. cyclomatic complexity: 133 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 12:48:21,981 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 71 states and 180 transitions. cyclomatic complexity: 133. 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 81 states and 198 transitions. Complement of second has 3 states. [2022-07-22 12:48:21,982 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 12:48:21,983 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 12:48:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 11 transitions. [2022-07-22 12:48:21,983 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:21,983 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:21,983 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:48:21,983 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:21,984 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:48:21,984 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:21,984 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 198 transitions. [2022-07-22 12:48:21,985 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 [2022-07-22 12:48:21,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 81 states and 198 transitions. [2022-07-22 12:48:21,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2022-07-22 12:48:21,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2022-07-22 12:48:21,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 81 states and 198 transitions. [2022-07-22 12:48:21,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:21,991 INFO L220 hiAutomatonCegarLoop]: Abstraction has 81 states and 198 transitions. [2022-07-22 12:48:21,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states and 198 transitions. [2022-07-22 12:48:21,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 72. [2022-07-22 12:48:21,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 2.5277777777777777) internal successors, (182), 71 states have internal predecessors, (182), 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 12:48:21,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 182 transitions. [2022-07-22 12:48:21,998 INFO L242 hiAutomatonCegarLoop]: Abstraction has 72 states and 182 transitions. [2022-07-22 12:48:21,998 INFO L425 stractBuchiCegarLoop]: Abstraction has 72 states and 182 transitions. [2022-07-22 12:48:21,998 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-07-22 12:48:21,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 182 transitions. [2022-07-22 12:48:22,001 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 [2022-07-22 12:48:22,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:22,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:22,001 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:22,002 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:22,003 INFO L748 eck$LassoCheckResult]: Stem: 2950#[ULTIMATE.startENTRY]don't care [290] ULTIMATE.startENTRY-->L67-3: Formula: (let ((.cse0 (select |v_#memory_int_44| 1)) (.cse1 (store |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 1))) (and (= (select |v_#valid_97| 2) 1) (= (select |v_#valid_97| 1) 1) (= |v_#memory_int_43| (store |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45| (store (select |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) |v_ULTIMATE.start_main_~#t1~0#1.offset_35| |v_ULTIMATE.start_main_#t~pre6#1_27|))) (= (select |v_#length_58| 1) 2) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_41| 0) (< 0 |v_#StackHeapBarrier_22|) (= 48 (select .cse0 0)) (= (select |v_#valid_97| 0) 0) (= |v_ULTIMATE.start_main_#t~pre6#1_27| |v_#pthreadsForks_36|) (= (select .cse0 1) 0) (= (select |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_35| 0) (= (select |v_#length_58| 2) 21) (= |v_#NULL.offset_8| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51|) 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_51|) (= (store (store |v_#length_58| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_51| 4) |v_#length_57|) (= |v_#NULL.base_8| 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) (= |v_#valid_96| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51| 1)) (= |v_#pthreadsForks_35| (+ |v_#pthreadsForks_36| 1)) (= v_~counter~0_76 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_36|, #valid=|v_#valid_97|, #memory_int=|v_#memory_int_44|, #length=|v_#length_58|} OutVars{~counter~0=v_~counter~0_76, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_41|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_23|, #NULL.offset=|v_#NULL.offset_8|, ~N~0=v_~N~0_35, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_45|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_35|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_16|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_35|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_96|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_13|, #memory_int=|v_#memory_int_43|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, #length=|v_#length_57|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_51|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base] 2952#[L67-3]don't care [223] L67-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork1_thidvar0_2) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, 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] 3014#[thread1ENTRY, L67-4]don't care [198] 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] 2978#[L67-4, L41-4]don't care [280] L67-4-->L68-3: Formula: (and (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 1) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33| (store (select |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre8#1_19|)) |v_#memory_int_33|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (= (+ |v_#pthreadsForks_28| 1) |v_#pthreadsForks_27|) (= |v_ULTIMATE.start_main_#t~pre8#1_19| |v_#pthreadsForks_28|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_47| |v_ULTIMATE.start_main_~#t2~0#1.base_33|))) InVars {#pthreadsForks=|v_#pthreadsForks_28|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_34|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_21|, #pthreadsForks=|v_#pthreadsForks_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_9|, #memory_int=|v_#memory_int_33|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_19|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~pre8#1] 2982#[L68-3, L41-4]don't care [220] L68-3-->thread2ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork0_thidvar0_2) (= v_thread2Thread1of1ForFork0_thidvar2_2 0) (= v_thread2Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork0_#res#1.base=|v_thread2Thread1of1ForFork0_#res#1.base_4|, thread2Thread1of1ForFork0_#res#1.offset=|v_thread2Thread1of1ForFork0_#res#1.offset_4|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_2, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_12|, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_8|, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_#res#1.offset, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_thidvar2, thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_thidvar0, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 3004#[thread2ENTRY, L68-4, L41-4]don't care [208] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1] 2988#[L41-4, L51-4, L68-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 2990#[L41-4, L51-4, L68-4]don't care [281] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| (ite (< 0 v_~counter~0_71) 1 0)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|) (= v_~counter~0_71 (+ v_~counter~0_70 1)) (< |v_thread2Thread1of1ForFork0_~i~1#1_28| v_~N~0_29) (= (+ |v_thread2Thread1of1ForFork0_~i~1#1_28| 1) |v_thread2Thread1of1ForFork0_~i~1#1_27|) (not (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7| 0))) InVars {~counter~0=v_~counter~0_71, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_28|, ~N~0=v_~N~0_29} OutVars{~counter~0=v_~counter~0_70, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_27|, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_15|, ~N~0=v_~N~0_29, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_7|} AuxVars[] AssignedVars[~counter~0, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 3062#[L41-4, L51-4, L68-4]don't care [2022-07-22 12:48:22,003 INFO L750 eck$LassoCheckResult]: Loop: 3062#[L41-4, L51-4, L68-4]don't care [281] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| (ite (< 0 v_~counter~0_71) 1 0)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|) (= v_~counter~0_71 (+ v_~counter~0_70 1)) (< |v_thread2Thread1of1ForFork0_~i~1#1_28| v_~N~0_29) (= (+ |v_thread2Thread1of1ForFork0_~i~1#1_28| 1) |v_thread2Thread1of1ForFork0_~i~1#1_27|) (not (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7| 0))) InVars {~counter~0=v_~counter~0_71, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_28|, ~N~0=v_~N~0_29} OutVars{~counter~0=v_~counter~0_70, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_27|, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_15|, ~N~0=v_~N~0_29, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_7|} AuxVars[] AssignedVars[~counter~0, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 3062#[L41-4, L51-4, L68-4]don't care [2022-07-22 12:48:22,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:22,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1214819674, now seen corresponding path program 2 times [2022-07-22 12:48:22,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:22,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505816786] [2022-07-22 12:48:22,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:22,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:22,029 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:22,049 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:22,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:22,053 INFO L85 PathProgramCache]: Analyzing trace with hash 312, now seen corresponding path program 4 times [2022-07-22 12:48:22,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:22,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881991291] [2022-07-22 12:48:22,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:22,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:22,059 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:22,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:22,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:22,072 INFO L85 PathProgramCache]: Analyzing trace with hash 995296051, now seen corresponding path program 3 times [2022-07-22 12:48:22,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:22,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653577462] [2022-07-22 12:48:22,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:22,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:22,131 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 12:48:22,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:48:22,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653577462] [2022-07-22 12:48:22,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653577462] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:48:22,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:48:22,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:48:22,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307500496] [2022-07-22 12:48:22,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:48:22,167 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:22,167 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:22,167 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:22,167 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:22,167 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:22,167 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,168 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:22,168 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:22,168 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration12_Loop [2022-07-22 12:48:22,168 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:22,168 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:22,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,250 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:22,250 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:22,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:22,252 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 12:48:22,255 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 12:48:22,255 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:22,256 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:22,268 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:22,269 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_23=0} Honda state: {v_rep#funAddr~thread1.offset_23=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:22,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2022-07-22 12:48:22,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:22,291 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 12:48:22,292 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 12:48:22,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:22,293 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:22,306 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:22,306 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_23=-1} Honda state: {v_rep#funAddr~thread1.base_23=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:22,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:22,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:22,330 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 12:48:22,330 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 12:48:22,331 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:22,332 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:22,346 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:22,346 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_23=-1} Honda state: {v_rep#funAddr~thread2.base_23=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:22,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2022-07-22 12:48:22,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:22,368 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 12:48:22,370 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 12:48:22,372 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:22,372 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:22,380 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:22,380 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork0_#t~post4#1=0} Honda state: {thread2Thread1of1ForFork0_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:22,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2022-07-22 12:48:22,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:22,404 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 12:48:22,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:22,406 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:22,416 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 12:48:22,443 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 12:48:22,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:22,445 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 12:48:22,450 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:22,450 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:22,453 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 12:48:22,605 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:22,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:22,610 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:22,610 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:22,610 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:22,610 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:22,610 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:22,610 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,610 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:22,610 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:22,610 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration12_Loop [2022-07-22 12:48:22,611 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:22,611 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:22,612 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 12:48:22,614 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 12:48:22,616 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 12:48:22,619 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 12:48:22,621 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 12:48:22,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,634 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 12:48:22,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:22,640 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 12:48:22,700 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:22,700 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:22,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:22,709 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 12:48:22,720 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 12:48:22,721 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 12:48:22,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:22,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:22,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:22,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:22,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:22,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:22,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:22,755 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 12:48:22,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:22,756 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 12:48:22,757 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 12:48:22,757 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 12:48:22,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:22,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:22,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:22,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:22,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:22,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:22,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:22,798 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 12:48:22,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:22,800 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 12:48:22,800 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 12:48:22,801 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 12:48:22,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:22,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:22,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:22,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:22,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:22,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:22,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:22,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:22,831 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 12:48:22,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:22,832 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 12:48:22,833 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 12:48:22,835 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 12:48:22,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:22,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:22,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:22,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:22,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-22 12:48:22,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-22 12:48:22,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:22,866 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 12:48:22,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:22,868 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 12:48:22,868 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 12:48:22,869 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 12:48:22,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:22,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:22,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:22,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:22,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:22,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:22,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:22,879 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:22,883 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-22 12:48:22,883 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-22 12:48:22,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:22,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:22,884 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 12:48:22,885 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 12:48:22,885 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:22,885 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:22,885 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:22,885 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread2Thread1of1ForFork0_~i~1#1) = 1*~N~0 - 1*thread2Thread1of1ForFork0_~i~1#1 Supporting invariants [] [2022-07-22 12:48:22,907 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 12:48:22,908 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:22,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:22,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:22,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:22,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 12:48:22,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:22,958 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 12:48:22,958 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 12:48:22,958 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 182 transitions. cyclomatic complexity: 133 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 12:48:22,988 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 182 transitions. cyclomatic complexity: 133. 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 111 states and 277 transitions. Complement of second has 3 states. [2022-07-22 12:48:22,988 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 12:48:22,989 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 12:48:22,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 13 transitions. [2022-07-22 12:48:22,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-22 12:48:22,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:22,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-22 12:48:22,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:22,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-22 12:48:22,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:22,990 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 277 transitions. [2022-07-22 12:48:22,992 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 [2022-07-22 12:48:22,993 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 108 states and 272 transitions. [2022-07-22 12:48:22,994 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 51 [2022-07-22 12:48:22,994 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2022-07-22 12:48:22,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 108 states and 272 transitions. [2022-07-22 12:48:22,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:22,994 INFO L220 hiAutomatonCegarLoop]: Abstraction has 108 states and 272 transitions. [2022-07-22 12:48:22,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states and 272 transitions. [2022-07-22 12:48:22,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 93. [2022-07-22 12:48:22,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 2.5268817204301075) internal successors, (235), 92 states have internal predecessors, (235), 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 12:48:22,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 235 transitions. [2022-07-22 12:48:22,999 INFO L242 hiAutomatonCegarLoop]: Abstraction has 93 states and 235 transitions. [2022-07-22 12:48:22,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:48:22,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:48:23,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:48:23,000 INFO L87 Difference]: Start difference. First operand 93 states and 235 transitions. Second operand has 4 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 12:48:23,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:48:23,032 INFO L93 Difference]: Finished difference Result 162 states and 384 transitions. [2022-07-22 12:48:23,032 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 384 transitions. [2022-07-22 12:48:23,034 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 [2022-07-22 12:48:23,036 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 120 states and 290 transitions. [2022-07-22 12:48:23,036 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 60 [2022-07-22 12:48:23,036 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 62 [2022-07-22 12:48:23,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 290 transitions. [2022-07-22 12:48:23,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-22 12:48:23,036 INFO L220 hiAutomatonCegarLoop]: Abstraction has 120 states and 290 transitions. [2022-07-22 12:48:23,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 290 transitions. [2022-07-22 12:48:23,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2022-07-22 12:48:23,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 117 states have (on average 2.4188034188034186) internal successors, (283), 116 states have internal predecessors, (283), 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 12:48:23,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 283 transitions. [2022-07-22 12:48:23,041 INFO L242 hiAutomatonCegarLoop]: Abstraction has 117 states and 283 transitions. [2022-07-22 12:48:23,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:48:23,042 INFO L425 stractBuchiCegarLoop]: Abstraction has 117 states and 283 transitions. [2022-07-22 12:48:23,042 INFO L332 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-07-22 12:48:23,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 117 states and 283 transitions. [2022-07-22 12:48:23,044 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 [2022-07-22 12:48:23,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 12:48:23,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 12:48:23,044 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1] [2022-07-22 12:48:23,044 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-22 12:48:23,045 INFO L748 eck$LassoCheckResult]: Stem: 3600#[ULTIMATE.startENTRY]don't care [290] ULTIMATE.startENTRY-->L67-3: Formula: (let ((.cse0 (select |v_#memory_int_44| 1)) (.cse1 (store |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 1))) (and (= (select |v_#valid_97| 2) 1) (= (select |v_#valid_97| 1) 1) (= |v_#memory_int_43| (store |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45| (store (select |v_#memory_int_44| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) |v_ULTIMATE.start_main_~#t1~0#1.offset_35| |v_ULTIMATE.start_main_#t~pre6#1_27|))) (= (select |v_#length_58| 1) 2) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_41| 0) (< 0 |v_#StackHeapBarrier_22|) (= 48 (select .cse0 0)) (= (select |v_#valid_97| 0) 0) (= |v_ULTIMATE.start_main_#t~pre6#1_27| |v_#pthreadsForks_36|) (= (select .cse0 1) 0) (= (select |v_#valid_97| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_35| 0) (= (select |v_#length_58| 2) 21) (= |v_#NULL.offset_8| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51|) 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_51|) (= (store (store |v_#length_58| |v_ULTIMATE.start_main_~#t1~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_51| 4) |v_#length_57|) (= |v_#NULL.base_8| 0) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_45|) (= |v_#valid_96| (store .cse1 |v_ULTIMATE.start_main_~#t2~0#1.base_51| 1)) (= |v_#pthreadsForks_35| (+ |v_#pthreadsForks_36| 1)) (= v_~counter~0_76 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_36|, #valid=|v_#valid_97|, #memory_int=|v_#memory_int_44|, #length=|v_#length_58|} OutVars{~counter~0=v_~counter~0_76, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_41|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_13|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_23|, #NULL.offset=|v_#NULL.offset_8|, ~N~0=v_~N~0_35, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_45|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_35|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_16|, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_35|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, #valid=|v_#valid_96|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_13|, #memory_int=|v_#memory_int_43|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_24|, #length=|v_#length_57|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_51|} AuxVars[] AssignedVars[~counter~0, ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~pre8#1, #NULL.offset, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, #NULL.base, #pthreadsForks, ULTIMATE.start_main_#t~nondet5#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~mem11#1, #length, ULTIMATE.start_main_~#t2~0#1.base] 3602#[L67-3]don't care [223] L67-3-->thread1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork1_thidvar0_2) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, 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] 3678#[thread1ENTRY, L67-4]don't care [198] 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] 3630#[L67-4, L41-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 3632#[L67-4, L41-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 3636#[L67-4, L41-4]don't care [280] L67-4-->L68-3: Formula: (and (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) 1) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33| (store (select |v_#memory_int_34| |v_ULTIMATE.start_main_~#t2~0#1.base_33|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre8#1_19|)) |v_#memory_int_33|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (= (+ |v_#pthreadsForks_28| 1) |v_#pthreadsForks_27|) (= |v_ULTIMATE.start_main_#t~pre8#1_19| |v_#pthreadsForks_28|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_47| |v_ULTIMATE.start_main_~#t2~0#1.base_33|))) InVars {#pthreadsForks=|v_#pthreadsForks_28|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_34|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_21|, #pthreadsForks=|v_#pthreadsForks_27|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_74|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_9|, #memory_int=|v_#memory_int_33|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_19|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_33|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ULTIMATE.start_main_#t~pre8#1] 3656#[L68-3, L41-4]don't care [220] L68-3-->thread2ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork0_thidvar0_2) (= v_thread2Thread1of1ForFork0_thidvar2_2 0) (= v_thread2Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork0_#res#1.base=|v_thread2Thread1of1ForFork0_#res#1.base_4|, thread2Thread1of1ForFork0_#res#1.offset=|v_thread2Thread1of1ForFork0_#res#1.offset_4|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_2, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_12|, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_8|, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_#res#1.offset, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_thidvar2, thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_thidvar0, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 3660#[thread2ENTRY, L68-4, L41-4]don't care [208] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1] 3702#[L41-4, L51-4, L68-4]don't care [281] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| (ite (< 0 v_~counter~0_71) 1 0)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|) (= v_~counter~0_71 (+ v_~counter~0_70 1)) (< |v_thread2Thread1of1ForFork0_~i~1#1_28| v_~N~0_29) (= (+ |v_thread2Thread1of1ForFork0_~i~1#1_28| 1) |v_thread2Thread1of1ForFork0_~i~1#1_27|) (not (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7| 0))) InVars {~counter~0=v_~counter~0_71, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_28|, ~N~0=v_~N~0_29} OutVars{~counter~0=v_~counter~0_70, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_27|, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_15|, ~N~0=v_~N~0_29, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_7|} AuxVars[] AssignedVars[~counter~0, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 3782#[L41-4, L51-4, L68-4]don't care [279] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_26 v_~N~0_27) (= v_thread1Thread1of1ForFork1_~i~0_25 (+ v_thread1Thread1of1ForFork1_~i~0_26 1)) (= (+ v_~counter~0_67 1) v_~counter~0_66)) InVars {~counter~0=v_~counter~0_67, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_26, ~N~0=v_~N~0_27} OutVars{~counter~0=v_~counter~0_66, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_19|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_9|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_25, ~N~0=v_~N~0_27} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0] 3780#[L41-4, L51-4, L68-4]don't care [281] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| (ite (< 0 v_~counter~0_71) 1 0)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|) (= v_~counter~0_71 (+ v_~counter~0_70 1)) (< |v_thread2Thread1of1ForFork0_~i~1#1_28| v_~N~0_29) (= (+ |v_thread2Thread1of1ForFork0_~i~1#1_28| 1) |v_thread2Thread1of1ForFork0_~i~1#1_27|) (not (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7| 0))) InVars {~counter~0=v_~counter~0_71, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_28|, ~N~0=v_~N~0_29} OutVars{~counter~0=v_~counter~0_70, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_27|, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_15|, ~N~0=v_~N~0_29, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_7|} AuxVars[] AssignedVars[~counter~0, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 3778#[L41-4, L51-4, L68-4]don't care [2022-07-22 12:48:23,045 INFO L750 eck$LassoCheckResult]: Loop: 3778#[L41-4, L51-4, L68-4]don't care [281] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| (ite (< 0 v_~counter~0_71) 1 0)) (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7| |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|) (= v_~counter~0_71 (+ v_~counter~0_70 1)) (< |v_thread2Thread1of1ForFork0_~i~1#1_28| v_~N~0_29) (= (+ |v_thread2Thread1of1ForFork0_~i~1#1_28| 1) |v_thread2Thread1of1ForFork0_~i~1#1_27|) (not (= |v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7| 0))) InVars {~counter~0=v_~counter~0_71, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_28|, ~N~0=v_~N~0_29} OutVars{~counter~0=v_~counter~0_70, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_7|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_7|, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_27|, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_15|, ~N~0=v_~N~0_29, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_7|} AuxVars[] AssignedVars[~counter~0, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 3778#[L41-4, L51-4, L68-4]don't care [2022-07-22 12:48:23,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:23,046 INFO L85 PathProgramCache]: Analyzing trace with hash -213257385, now seen corresponding path program 4 times [2022-07-22 12:48:23,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:23,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869413496] [2022-07-22 12:48:23,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:23,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:23,058 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:23,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:23,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:23,072 INFO L85 PathProgramCache]: Analyzing trace with hash 312, now seen corresponding path program 5 times [2022-07-22 12:48:23,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:23,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234468416] [2022-07-22 12:48:23,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:23,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:23,077 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:23,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:23,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:23,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1978955938, now seen corresponding path program 5 times [2022-07-22 12:48:23,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:48:23,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227505761] [2022-07-22 12:48:23,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:48:23,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:48:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:23,094 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 12:48:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 12:48:23,107 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 12:48:23,149 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:23,150 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:23,150 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:23,150 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:23,150 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-22 12:48:23,150 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:23,150 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:23,150 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:23,150 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration13_Loop [2022-07-22 12:48:23,150 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:23,151 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:23,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:23,153 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 12:48:23,157 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 12:48:23,159 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 12:48:23,161 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 12:48:23,162 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 12:48:23,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:23,167 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 12:48:23,168 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 12:48:23,237 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:23,237 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-22 12:48:23,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:23,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:23,238 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 12:48:23,239 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 12:48:23,239 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:23,240 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:23,247 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-22 12:48:23,247 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork0_#t~post4#1=0} Honda state: {thread2Thread1of1ForFork0_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-22 12:48:23,269 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 12:48:23,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:23,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:23,270 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 12:48:23,271 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 12:48:23,271 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-22 12:48:23,272 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:23,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2022-07-22 12:48:23,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:23,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:23,302 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 12:48:23,303 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 12:48:23,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-22 12:48:23,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-22 12:48:23,337 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-22 12:48:23,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2022-07-22 12:48:23,340 INFO L210 LassoAnalysis]: Preferences: [2022-07-22 12:48:23,340 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-22 12:48:23,340 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-22 12:48:23,340 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-22 12:48:23,340 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-22 12:48:23,340 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:23,340 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-22 12:48:23,340 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-22 12:48:23,340 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration13_Loop [2022-07-22 12:48:23,340 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-22 12:48:23,341 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-22 12:48:23,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-22 12:48:23,343 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 12:48:23,347 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 12:48:23,349 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 12:48:23,353 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 12:48:23,355 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 12:48:23,357 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 12:48:23,359 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 12:48:23,361 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 12:48:23,434 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-22 12:48:23,435 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-22 12:48:23,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:23,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:23,436 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 12:48:23,437 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 12:48:23,437 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 12:48:23,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:23,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:23,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:23,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:23,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:23,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:23,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:23,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-22 12:48:23,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2022-07-22 12:48:23,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:23,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:23,472 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 12:48:23,474 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 12:48:23,474 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 12:48:23,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-22 12:48:23,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-22 12:48:23,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-22 12:48:23,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-22 12:48:23,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-22 12:48:23,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-22 12:48:23,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-22 12:48:23,483 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-22 12:48:23,484 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-07-22 12:48:23,484 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-22 12:48:23,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:48:23,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:48:23,486 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 12:48:23,488 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 12:48:23,488 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-22 12:48:23,489 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-22 12:48:23,489 INFO L513 LassoAnalysis]: Proved termination. [2022-07-22 12:48:23,489 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter~0) = 1*~counter~0 Supporting invariants [] [2022-07-22 12:48:23,510 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 12:48:23,510 INFO L257 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-22 12:48:23,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:23,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:23,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:23,562 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:48:23,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:23,563 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 12:48:23,564 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 12:48:23,564 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 117 states and 283 transitions. cyclomatic complexity: 195 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 12:48:23,592 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 117 states and 283 transitions. cyclomatic complexity: 195. 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 137 states and 329 transitions. Complement of second has 3 states. [2022-07-22 12:48:23,592 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 12:48:23,593 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 12:48:23,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:48:23,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 11 letters. Loop has 1 letters. [2022-07-22 12:48:23,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:23,594 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:48:23,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:23,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:23,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:23,639 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:48:23,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:23,640 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 12:48:23,640 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 12:48:23,641 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 117 states and 283 transitions. cyclomatic complexity: 195 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 12:48:23,665 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 117 states and 283 transitions. cyclomatic complexity: 195. 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 137 states and 329 transitions. Complement of second has 3 states. [2022-07-22 12:48:23,666 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 12:48:23,666 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 12:48:23,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 12 transitions. [2022-07-22 12:48:23,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 12 transitions. Stem has 11 letters. Loop has 1 letters. [2022-07-22 12:48:23,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:23,667 INFO L690 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-22 12:48:23,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:48:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:23,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:48:23,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:48:23,710 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 12:48:23,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:48:23,711 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 12:48:23,712 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 12:48:23,712 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 117 states and 283 transitions. cyclomatic complexity: 195 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 12:48:23,741 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 117 states and 283 transitions. cyclomatic complexity: 195. 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 142 states and 337 transitions. Complement of second has 2 states. [2022-07-22 12:48:23,742 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 12:48:23,742 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 12:48:23,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 14 transitions. [2022-07-22 12:48:23,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 14 transitions. Stem has 11 letters. Loop has 1 letters. [2022-07-22 12:48:23,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:23,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 14 transitions. Stem has 12 letters. Loop has 1 letters. [2022-07-22 12:48:23,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:23,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2022-07-22 12:48:23,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-22 12:48:23,744 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 337 transitions. [2022-07-22 12:48:23,746 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 12:48:23,746 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 0 states and 0 transitions. [2022-07-22 12:48:23,746 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-22 12:48:23,746 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-22 12:48:23,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-22 12:48:23,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 12:48:23,747 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 12:48:23,747 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 12:48:23,747 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 12:48:23,747 INFO L332 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-07-22 12:48:23,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-22 12:48:23,747 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 12:48:23,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 12:48:23,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 12:48:23 BoogieIcfgContainer [2022-07-22 12:48:23,756 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 12:48:23,757 INFO L158 Benchmark]: Toolchain (without parser) took 17847.56ms. Allocated memory was 152.0MB in the beginning and 225.4MB in the end (delta: 73.4MB). Free memory was 126.3MB in the beginning and 71.8MB in the end (delta: 54.5MB). Peak memory consumption was 129.4MB. Max. memory is 8.0GB. [2022-07-22 12:48:23,757 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 152.0MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:48:23,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.93ms. Allocated memory is still 152.0MB. Free memory was 126.0MB in the beginning and 116.0MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-07-22 12:48:23,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.19ms. Allocated memory is still 152.0MB. Free memory was 116.0MB in the beginning and 114.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:48:23,758 INFO L158 Benchmark]: Boogie Preprocessor took 42.37ms. Allocated memory is still 152.0MB. Free memory was 114.3MB in the beginning and 113.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-22 12:48:23,758 INFO L158 Benchmark]: RCFGBuilder took 433.61ms. Allocated memory is still 152.0MB. Free memory was 113.0MB in the beginning and 100.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-07-22 12:48:23,759 INFO L158 Benchmark]: BuchiAutomizer took 16909.63ms. Allocated memory was 152.0MB in the beginning and 225.4MB in the end (delta: 73.4MB). Free memory was 100.2MB in the beginning and 71.8MB in the end (delta: 28.4MB). Peak memory consumption was 103.1MB. Max. memory is 8.0GB. [2022-07-22 12:48:23,761 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 152.0MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 401.93ms. Allocated memory is still 152.0MB. Free memory was 126.0MB in the beginning and 116.0MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.19ms. Allocated memory is still 152.0MB. Free memory was 116.0MB in the beginning and 114.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.37ms. Allocated memory is still 152.0MB. Free memory was 114.3MB in the beginning and 113.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 433.61ms. Allocated memory is still 152.0MB. Free memory was 113.0MB in the beginning and 100.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 16909.63ms. Allocated memory was 152.0MB in the beginning and 225.4MB in the end (delta: 73.4MB). Free memory was 100.2MB in the beginning and 71.8MB in the end (delta: 28.4MB). Peak memory consumption was 103.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 16 terminating modules (3 trivial, 11 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 2 locations. One deterministic module has affine ranking function -1 * i + N and consists of 2 locations. One deterministic module has affine ranking function -1 * i + N and consists of 2 locations. One deterministic module has affine ranking function counter and consists of 2 locations. One deterministic module has affine ranking function -1 * i + N and consists of 2 locations. One deterministic module has affine ranking function -1 * i + N and consists of 2 locations. One deterministic module has affine ranking function -1 * i + N and consists of 2 locations. One deterministic module has affine ranking function -1 * i + N and consists of 3 locations. One deterministic module has affine ranking function N + -1 * i and consists of 2 locations. One deterministic module has affine ranking function N + -1 * i and consists of 2 locations. One deterministic module has affine ranking function N + -1 * i and consists of 2 locations. One nondeterministic module has affine ranking function -1 * i + N and consists of 2 locations. One nondeterministic module has affine ranking function counter and consists of 2 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.7s and 14 iterations. TraceHistogramMax:3. Analysis of lassos took 12.3s. Construction of modules took 0.3s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 11. Minimization of nondet autom 5. Automata minimization 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 146 StatesRemovedByMinimization, 14 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [11, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 202 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 185 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 458 IncrementalHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 54 mSDtfsCounter, 458 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT10 conc0 concLT3 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax230 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf112 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 38 LassoNonterminationAnalysisSatUnbounded: 4 LassoNonterminationAnalysisUnsat: 13 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 3.6s InitialAbstractionConstructionTime: 2.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.3s, 75 PlacesBefore, 20 PlacesAfterwards, 73 TransitionsBefore, 15 TransitionsAfterwards, 500 CoEnabledTransitionPairs, 5 FixpointIterations, 37 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 4 ConcurrentYvCompositions, 3 ChoiceCompositions, 66 TotalNumberOfCompositions, 493 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 481, positive: 478, positive conditional: 0, positive unconditional: 478, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 276, positive: 273, positive conditional: 0, positive unconditional: 273, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 481, positive: 205, positive conditional: 0, positive unconditional: 205, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 276, unknown conditional: 0, unknown unconditional: 276] , Statistics on independence cache: Total cache size (in pairs): 19, Positive cache size: 19, Positive conditional cache size: 0, Positive unconditional cache size: 19, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-07-22 12:48:23,808 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 12:48:24,008 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 12:48:24,209 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 12:48:24,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...