/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf -i ../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:53:35,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:53:35,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:53:35,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 13:53:35,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 13:53:35,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 13:53:35,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 13:53:35,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 13:53:35,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 13:53:35,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 13:53:35,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 13:53:35,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 13:53:35,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:53:35,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:53:35,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:53:35,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:53:35,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:53:35,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:53:35,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:53:35,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:53:35,178 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:53:35,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:53:35,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:53:35,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:53:35,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:53:35,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:53:35,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:53:35,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:53:35,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:53:35,193 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-26 13:53:35,215 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:53:35,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:53:35,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:53:35,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:53:35,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:53:35,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:53:35,217 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:53:35,217 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:53:35,217 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:53:35,217 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:53:35,218 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:53:35,218 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:53:35,218 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:53:35,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:53:35,218 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:53:35,218 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:53:35,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:53:35,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:53:35,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:53:35,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:53:35,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:53:35,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:53:35,219 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:53:35,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:53:35,219 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:53:35,219 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:53:35,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:53:35,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:53:35,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:53:35,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:53:35,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:53:35,221 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:53:35,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:53:35,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:53:35,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:53:35,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:53:35,448 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:53:35,448 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:53:35,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2022-07-26 13:53:35,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b83e3e7/ceae7d9dd5364060b8f6e97e1d770e2a/FLAG86f3aa6aa [2022-07-26 13:53:35,890 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:53:35,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2022-07-26 13:53:35,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b83e3e7/ceae7d9dd5364060b8f6e97e1d770e2a/FLAG86f3aa6aa [2022-07-26 13:53:35,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b83e3e7/ceae7d9dd5364060b8f6e97e1d770e2a [2022-07-26 13:53:35,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:53:35,913 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:53:35,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:53:35,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:53:35,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:53:35,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:53:35" (1/1) ... [2022-07-26 13:53:35,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff1f3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:35, skipping insertion in model container [2022-07-26 13:53:35,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:53:35" (1/1) ... [2022-07-26 13:53:35,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:53:35,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:53:36,129 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-difference-det.wvr.c[2507,2520] [2022-07-26 13:53:36,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:53:36,138 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:53:36,169 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-difference-det.wvr.c[2507,2520] [2022-07-26 13:53:36,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:53:36,181 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:53:36,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:36 WrapperNode [2022-07-26 13:53:36,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:53:36,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:53:36,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:53:36,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:53:36,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:36" (1/1) ... [2022-07-26 13:53:36,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:36" (1/1) ... [2022-07-26 13:53:36,229 INFO L137 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 118 [2022-07-26 13:53:36,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:53:36,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:53:36,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:53:36,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:53:36,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:36" (1/1) ... [2022-07-26 13:53:36,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:36" (1/1) ... [2022-07-26 13:53:36,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:36" (1/1) ... [2022-07-26 13:53:36,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:36" (1/1) ... [2022-07-26 13:53:36,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:36" (1/1) ... [2022-07-26 13:53:36,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:36" (1/1) ... [2022-07-26 13:53:36,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:36" (1/1) ... [2022-07-26 13:53:36,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:53:36,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:53:36,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:53:36,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:53:36,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:36" (1/1) ... [2022-07-26 13:53:36,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:36,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:36,303 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) [2022-07-26 13:53:36,333 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 [2022-07-26 13:53:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:53:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:53:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:53:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:53:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:53:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-26 13:53:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-26 13:53:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-26 13:53:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-26 13:53:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:53:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:53:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:53:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 13:53:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 13:53:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:53:36,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:53:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:53:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:53:36,354 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-26 13:53:36,427 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:53:36,428 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:53:36,620 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:53:36,654 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:53:36,654 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-26 13:53:36,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:53:36 BoogieIcfgContainer [2022-07-26 13:53:36,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:53:36,657 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:53:36,657 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:53:36,660 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:53:36,660 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:53:36,660 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:53:35" (1/3) ... [2022-07-26 13:53:36,661 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14fc7d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:53:36, skipping insertion in model container [2022-07-26 13:53:36,661 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:53:36,661 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:36" (2/3) ... [2022-07-26 13:53:36,661 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14fc7d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:53:36, skipping insertion in model container [2022-07-26 13:53:36,661 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:53:36,661 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:53:36" (3/3) ... [2022-07-26 13:53:36,662 INFO L322 chiAutomizerObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2022-07-26 13:53:36,720 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-07-26 13:53:36,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 129 transitions, 290 flow [2022-07-26 13:53:36,783 INFO L129 PetriNetUnfolder]: 9/121 cut-off events. [2022-07-26 13:53:36,783 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-26 13:53:36,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 121 events. 9/121 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 96 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2022-07-26 13:53:36,786 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 129 transitions, 290 flow [2022-07-26 13:53:36,791 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 121 transitions, 266 flow [2022-07-26 13:53:36,796 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-26 13:53:36,804 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 121 transitions, 266 flow [2022-07-26 13:53:36,806 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 121 transitions, 266 flow [2022-07-26 13:53:36,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 121 transitions, 266 flow [2022-07-26 13:53:36,823 INFO L129 PetriNetUnfolder]: 9/121 cut-off events. [2022-07-26 13:53:36,823 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-26 13:53:36,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 121 events. 9/121 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2022-07-26 13:53:36,826 INFO L116 LiptonReduction]: Number of co-enabled transitions 2520 [2022-07-26 13:53:39,632 INFO L131 LiptonReduction]: Checked pairs total: 2390 [2022-07-26 13:53:39,633 INFO L133 LiptonReduction]: Total number of compositions: 98 [2022-07-26 13:53:39,648 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:53:39,648 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:53:39,648 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:53:39,648 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:53:39,648 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:53:39,648 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:53:39,648 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:53:39,648 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:53:39,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:53:39,758 INFO L131 ngComponentsAnalysis]: Automaton has 230 accepting balls. 230 [2022-07-26 13:53:39,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:53:39,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:53:39,762 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-26 13:53:39,762 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:53:39,763 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-26 13:53:39,763 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 321 states, but on-demand construction may add more states [2022-07-26 13:53:39,771 INFO L131 ngComponentsAnalysis]: Automaton has 230 accepting balls. 230 [2022-07-26 13:53:39,772 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:53:39,772 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:53:39,772 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-26 13:53:39,772 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:53:39,775 INFO L733 eck$LassoCheckResult]: Stem: 132#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= v_~counter2~0_90 0) (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (= v_~counter1~0_96 0) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_90, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_45, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_51, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_96, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 135#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#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] 137#[L89-4, thread1ENTRY]don't care [340] 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] 139#[L89-4, L41-4]don't care [2022-07-26 13:53:39,776 INFO L735 eck$LassoCheckResult]: Loop: 139#[L89-4, L41-4]don't care [482] L41-4-->L41-4: Formula: (and (= v_thread1Thread1of1ForFork1_~i~0_31 (+ v_thread1Thread1of1ForFork1_~i~0_32 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86) (< v_thread1Thread1of1ForFork1_~i~0_32 v_~M~0_39)) InVars {~M~0=v_~M~0_39, ~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_32} OutVars{~M~0=v_~M~0_39, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_17|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_13|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_31} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 139#[L89-4, L41-4]don't care [2022-07-26 13:53:39,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:39,780 INFO L85 PathProgramCache]: Analyzing trace with hash 515839, now seen corresponding path program 1 times [2022-07-26 13:53:39,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:39,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315021867] [2022-07-26 13:53:39,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:39,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:39,883 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:39,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:39,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:39,917 INFO L85 PathProgramCache]: Analyzing trace with hash 513, now seen corresponding path program 1 times [2022-07-26 13:53:39,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:39,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881159840] [2022-07-26 13:53:39,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:39,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:39,922 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:39,926 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:39,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:39,927 INFO L85 PathProgramCache]: Analyzing trace with hash 15991491, now seen corresponding path program 1 times [2022-07-26 13:53:39,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:39,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025946376] [2022-07-26 13:53:39,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:39,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:39,941 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:39,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:39,987 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:39,988 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:39,988 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:39,988 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:39,988 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:53:39,988 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:39,988 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:39,988 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:39,988 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration1_Loop [2022-07-26 13:53:39,989 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:39,989 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:40,000 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,006 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,007 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,012 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,014 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,016 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,020 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,028 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,031 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,032 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,035 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,037 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,123 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:40,124 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:53:40,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:40,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:40,126 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) [2022-07-26 13:53:40,133 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 [2022-07-26 13:53:40,147 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:40,147 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:40,165 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:40,166 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_1=3} Honda state: {v_rep#funAddr~thread4.offset_1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:40,181 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 [2022-07-26 13:53:40,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:40,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:40,182 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) [2022-07-26 13:53:40,183 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 [2022-07-26 13:53:40,185 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:40,185 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:40,191 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:40,191 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post2=0} Honda state: {thread1Thread1of1ForFork1_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:40,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-07-26 13:53:40,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:40,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:40,221 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) [2022-07-26 13:53:40,222 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 [2022-07-26 13:53:40,223 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:40,223 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:40,244 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:40,244 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: [] [2022-07-26 13:53:40,290 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 [2022-07-26 13:53:40,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:40,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:40,300 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) [2022-07-26 13:53:40,304 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 [2022-07-26 13:53:40,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:40,305 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:40,315 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:40,315 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: [] [2022-07-26 13:53:40,330 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 [2022-07-26 13:53:40,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:40,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:40,333 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) [2022-07-26 13:53:40,342 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 [2022-07-26 13:53:40,342 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:40,342 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:40,354 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:40,354 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_1=-1} Honda state: {v_rep#funAddr~thread3.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:40,369 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 [2022-07-26 13:53:40,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:40,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:40,370 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) [2022-07-26 13:53:40,372 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 [2022-07-26 13:53:40,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:40,374 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:40,384 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:40,384 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: [] [2022-07-26 13:53:40,399 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 [2022-07-26 13:53:40,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:40,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:40,400 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) [2022-07-26 13:53:40,403 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 [2022-07-26 13:53:40,404 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:40,404 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:40,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:40,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:40,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:40,431 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) [2022-07-26 13:53:40,432 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 [2022-07-26 13:53:40,433 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:53:40,433 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:40,545 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:53:40,548 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 [2022-07-26 13:53:40,548 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:40,548 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:40,548 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:40,548 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:40,548 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:53:40,548 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:40,549 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:40,549 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:40,549 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration1_Loop [2022-07-26 13:53:40,549 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:40,549 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:40,550 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,558 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,561 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,563 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,565 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,567 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,569 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,570 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,574 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,576 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,578 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,580 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:40,666 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:40,669 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:53:40,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:40,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:40,671 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) [2022-07-26 13:53:40,672 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 [2022-07-26 13:53:40,673 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 [2022-07-26 13:53:40,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:40,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:40,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:40,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:40,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:40,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:40,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:40,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:40,718 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 [2022-07-26 13:53:40,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:40,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:40,719 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) [2022-07-26 13:53:40,720 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 [2022-07-26 13:53:40,721 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 [2022-07-26 13:53:40,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:40,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:40,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:40,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:40,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:40,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:40,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:40,758 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 [2022-07-26 13:53:40,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:40,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:40,759 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) [2022-07-26 13:53:40,760 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 [2022-07-26 13:53:40,761 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 [2022-07-26 13:53:40,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:40,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:40,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:40,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:40,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:40,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:40,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:40,799 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 [2022-07-26 13:53:40,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:40,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:40,800 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) [2022-07-26 13:53:40,801 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 [2022-07-26 13:53:40,806 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 [2022-07-26 13:53:40,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:40,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:40,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:40,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:40,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:40,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:40,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:40,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:40,828 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 [2022-07-26 13:53:40,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:40,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:40,829 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) [2022-07-26 13:53:40,830 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 [2022-07-26 13:53:40,834 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 [2022-07-26 13:53:40,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:40,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:40,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:40,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:40,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:40,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:40,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:40,892 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 [2022-07-26 13:53:40,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:40,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:40,893 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) [2022-07-26 13:53:40,894 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 [2022-07-26 13:53:40,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:53:40,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:40,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:40,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:40,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:40,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:40,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:40,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:40,931 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 [2022-07-26 13:53:40,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:40,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:40,932 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) [2022-07-26 13:53:40,933 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 [2022-07-26 13:53:40,934 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 [2022-07-26 13:53:40,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:40,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:40,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:40,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:40,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:40,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:40,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:41,003 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 [2022-07-26 13:53:41,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:41,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:41,004 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) [2022-07-26 13:53:41,006 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 [2022-07-26 13:53:41,007 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 [2022-07-26 13:53:41,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:41,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:41,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:41,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:41,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:41,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:41,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:41,031 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:53:41,035 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-26 13:53:41,035 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 13:53:41,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:41,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:41,037 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) [2022-07-26 13:53:41,038 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 [2022-07-26 13:53:41,067 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:53:41,068 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:53:41,068 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:53:41,068 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork1_~i~0, ~M~0) = -1*thread1Thread1of1ForFork1_~i~0 + 1*~M~0 Supporting invariants [] [2022-07-26 13:53:41,085 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 [2022-07-26 13:53:41,087 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:53:41,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:41,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:53:41,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:41,154 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:53:41,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:41,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:53:41,178 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:53:41,179 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 321 states, but on-demand construction may add more states Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:53:41,284 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 321 states, but on-demand construction may add more states. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 876 states and 4293 transitions. Complement of second has 5 states. [2022-07-26 13:53:41,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 13:53:41,290 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) [2022-07-26 13:53:41,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 63 transitions. [2022-07-26 13:53:41,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 63 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-26 13:53:41,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:41,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 63 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-26 13:53:41,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:41,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 63 transitions. Stem has 3 letters. Loop has 2 letters. [2022-07-26 13:53:41,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:41,292 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 4293 transitions. [2022-07-26 13:53:41,304 INFO L131 ngComponentsAnalysis]: Automaton has 200 accepting balls. 200 [2022-07-26 13:53:41,316 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 693 states and 3407 transitions. [2022-07-26 13:53:41,317 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 383 [2022-07-26 13:53:41,319 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 538 [2022-07-26 13:53:41,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 693 states and 3407 transitions. [2022-07-26 13:53:41,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:53:41,320 INFO L220 hiAutomatonCegarLoop]: Abstraction has 693 states and 3407 transitions. [2022-07-26 13:53:41,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states and 3407 transitions. [2022-07-26 13:53:41,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 540. [2022-07-26 13:53:41,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 540 states have (on average 5.2) internal successors, (2808), 539 states have internal predecessors, (2808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:53:41,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 2808 transitions. [2022-07-26 13:53:41,362 INFO L242 hiAutomatonCegarLoop]: Abstraction has 540 states and 2808 transitions. [2022-07-26 13:53:41,362 INFO L426 stractBuchiCegarLoop]: Abstraction has 540 states and 2808 transitions. [2022-07-26 13:53:41,362 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-26 13:53:41,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 540 states and 2808 transitions. [2022-07-26 13:53:41,367 INFO L131 ngComponentsAnalysis]: Automaton has 200 accepting balls. 200 [2022-07-26 13:53:41,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:53:41,367 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:53:41,367 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-26 13:53:41,367 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:53:41,367 INFO L733 eck$LassoCheckResult]: Stem: 2744#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= v_~counter2~0_90 0) (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (= v_~counter1~0_96 0) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_90, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_45, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_51, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_96, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 2226#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#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] 1928#[L89-4, thread1ENTRY]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 1932#[L90-3, thread1ENTRY]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 2292#[thread2ENTRY, L90-4, thread1ENTRY]don't care [350] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 1742#[L90-4, thread1ENTRY, L51-4]don't care [2022-07-26 13:53:41,368 INFO L735 eck$LassoCheckResult]: Loop: 1742#[L90-4, thread1ENTRY, L51-4]don't care [476] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_13| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_13|) (= (+ v_~counter1~0_72 1) v_~counter1~0_73) (= |v_thread2Thread1of1ForFork3_~i~1#1_33| (+ |v_thread2Thread1of1ForFork3_~i~1#1_34| 1)) (= (ite (< 0 v_~counter1~0_73) 1 0) |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_13|) (< |v_thread2Thread1of1ForFork3_~i~1#1_34| v_~N~0_31) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_13| 0))) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_34|, ~counter1~0=v_~counter1~0_73, ~N~0=v_~N~0_31} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_13|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_13|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_33|, ~counter1~0=v_~counter1~0_72, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_13|, ~N~0=v_~N~0_31} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 1742#[L90-4, thread1ENTRY, L51-4]don't care [2022-07-26 13:53:41,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:41,368 INFO L85 PathProgramCache]: Analyzing trace with hash 495874056, now seen corresponding path program 1 times [2022-07-26 13:53:41,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:41,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459636607] [2022-07-26 13:53:41,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:41,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:41,384 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:41,408 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:41,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:41,409 INFO L85 PathProgramCache]: Analyzing trace with hash 507, now seen corresponding path program 1 times [2022-07-26 13:53:41,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:41,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729311597] [2022-07-26 13:53:41,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:41,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:41,414 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:41,421 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:41,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:41,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1807772972, now seen corresponding path program 1 times [2022-07-26 13:53:41,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:41,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235226138] [2022-07-26 13:53:41,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:41,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:41,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:53:41,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-26 13:53:41,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235226138] [2022-07-26 13:53:41,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235226138] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-26 13:53:41,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-26 13:53:41,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-26 13:53:41,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137181622] [2022-07-26 13:53:41,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-26 13:53:41,516 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:41,516 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:41,516 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:41,516 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:41,516 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:53:41,516 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:41,516 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:41,516 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:41,516 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration2_Loop [2022-07-26 13:53:41,516 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:41,516 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:41,517 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:41,519 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:41,521 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:41,522 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:41,524 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:41,525 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:41,530 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:41,532 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:41,534 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:41,536 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:41,539 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:41,542 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:41,544 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:41,619 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:41,619 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:53:41,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:41,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:41,620 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) [2022-07-26 13:53:41,623 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 [2022-07-26 13:53:41,624 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:41,624 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:41,646 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:41,646 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post3#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:41,660 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 [2022-07-26 13:53:41,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:41,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:41,662 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) [2022-07-26 13:53:41,669 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:41,669 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:41,678 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 [2022-07-26 13:53:41,698 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:41,698 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: [] [2022-07-26 13:53:41,713 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 [2022-07-26 13:53:41,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:41,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:41,714 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) [2022-07-26 13:53:41,714 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 [2022-07-26 13:53:41,716 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:41,716 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:41,742 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:41,742 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_3=-1} Honda state: {v_rep#funAddr~thread3.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:41,757 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 [2022-07-26 13:53:41,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:41,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:41,762 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) [2022-07-26 13:53:41,767 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 [2022-07-26 13:53:41,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:41,769 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:41,778 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:41,778 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: [] [2022-07-26 13:53:41,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-07-26 13:53:41,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:41,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:41,794 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) [2022-07-26 13:53:41,795 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 [2022-07-26 13:53:41,796 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:41,796 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:41,805 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:41,805 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_3=-1} Honda state: {v_rep#funAddr~thread4.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:41,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-07-26 13:53:41,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:41,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:41,820 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) [2022-07-26 13:53:41,821 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 [2022-07-26 13:53:41,822 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:41,822 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:41,839 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:41,839 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Honda state: {thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:41,854 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 [2022-07-26 13:53:41,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:41,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:41,855 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) [2022-07-26 13:53:41,857 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 [2022-07-26 13:53:41,857 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:41,857 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:41,867 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:41,867 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_3=3} Honda state: {v_rep#funAddr~thread4.offset_3=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:41,883 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 [2022-07-26 13:53:41,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:41,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:41,884 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) [2022-07-26 13:53:41,885 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 [2022-07-26 13:53:41,886 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:41,886 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:41,896 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:41,896 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: [] [2022-07-26 13:53:41,913 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 [2022-07-26 13:53:41,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:41,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:41,914 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) [2022-07-26 13:53:41,916 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 [2022-07-26 13:53:41,919 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:41,919 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:41,928 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:41,928 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: [] [2022-07-26 13:53:41,945 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 [2022-07-26 13:53:41,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:41,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:41,946 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) [2022-07-26 13:53:41,947 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 [2022-07-26 13:53:41,948 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:41,948 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:41,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-07-26 13:53:41,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:41,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:41,970 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) [2022-07-26 13:53:41,970 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 [2022-07-26 13:53:41,972 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:53:41,972 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:42,081 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:53:42,083 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 [2022-07-26 13:53:42,083 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:42,083 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:42,084 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:42,084 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:42,084 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:53:42,084 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:42,084 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:42,084 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:42,084 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration2_Loop [2022-07-26 13:53:42,084 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:42,084 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:42,085 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:42,093 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:42,095 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:42,097 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:42,099 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:42,101 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:42,104 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:42,105 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:42,109 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:42,113 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:42,117 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:42,119 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:42,121 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:42,205 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:42,206 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:53:42,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:42,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:42,207 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) [2022-07-26 13:53:42,208 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 [2022-07-26 13:53:42,209 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 [2022-07-26 13:53:42,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:42,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:42,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:42,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:42,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:42,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:42,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:42,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:42,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:42,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:42,251 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) [2022-07-26 13:53:42,252 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 [2022-07-26 13:53:42,253 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 [2022-07-26 13:53:42,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:42,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:42,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:42,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:42,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:42,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:42,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:42,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:42,283 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 [2022-07-26 13:53:42,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:42,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:42,292 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) [2022-07-26 13:53:42,293 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 [2022-07-26 13:53:42,294 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 [2022-07-26 13:53:42,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:42,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:42,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:42,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:42,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:42,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:42,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:42,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:42,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:42,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:42,334 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) [2022-07-26 13:53:42,335 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 [2022-07-26 13:53:42,336 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 [2022-07-26 13:53:42,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:42,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:42,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:42,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:42,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:42,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:42,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:42,380 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 [2022-07-26 13:53:42,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:42,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:42,381 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) [2022-07-26 13:53:42,393 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 [2022-07-26 13:53:42,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:42,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:42,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:42,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:42,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:42,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:42,400 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 [2022-07-26 13:53:42,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:42,428 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 [2022-07-26 13:53:42,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:42,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:42,429 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) [2022-07-26 13:53:42,429 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 [2022-07-26 13:53:42,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:53:42,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:42,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:42,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:42,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:42,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:42,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:42,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:42,473 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 [2022-07-26 13:53:42,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:42,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:42,475 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) [2022-07-26 13:53:42,476 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 [2022-07-26 13:53:42,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:53:42,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:42,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:42,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:42,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:42,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:42,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:42,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:42,520 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 [2022-07-26 13:53:42,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:42,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:42,522 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) [2022-07-26 13:53:42,524 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 [2022-07-26 13:53:42,529 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 [2022-07-26 13:53:42,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:42,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:42,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:42,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:42,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:42,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:42,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:42,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:42,560 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 [2022-07-26 13:53:42,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:42,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:42,562 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) [2022-07-26 13:53:42,565 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 [2022-07-26 13:53:42,566 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 [2022-07-26 13:53:42,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:42,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:42,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:42,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:42,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:42,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:42,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:42,587 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:53:42,589 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:53:42,589 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 13:53:42,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:42,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:42,591 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) [2022-07-26 13:53:42,610 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:53:42,611 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:53:42,624 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:53:42,624 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork3_~i~1#1, ~N~0) = -1*thread2Thread1of1ForFork3_~i~1#1 + 1*~N~0 Supporting invariants [] [2022-07-26 13:53:42,631 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 [2022-07-26 13:53:42,632 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 [2022-07-26 13:53:42,638 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 [2022-07-26 13:53:42,639 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:53:42,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:42,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:53:42,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:42,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:53:42,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:42,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:53:42,699 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:53:42,699 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 540 states and 2808 transitions. cyclomatic complexity: 2546 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) [2022-07-26 13:53:42,769 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 540 states and 2808 transitions. cyclomatic complexity: 2546. 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 1610 states and 8835 transitions. Complement of second has 4 states. [2022-07-26 13:53:42,769 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 [2022-07-26 13:53:42,769 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) [2022-07-26 13:53:42,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2022-07-26 13:53:42,770 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-26 13:53:42,770 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:42,770 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-26 13:53:42,770 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:42,770 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-26 13:53:42,770 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:42,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1610 states and 8835 transitions. [2022-07-26 13:53:42,792 INFO L131 ngComponentsAnalysis]: Automaton has 150 accepting balls. 150 [2022-07-26 13:53:42,805 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1610 states to 1250 states and 6742 transitions. [2022-07-26 13:53:42,805 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 495 [2022-07-26 13:53:42,808 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 669 [2022-07-26 13:53:42,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1250 states and 6742 transitions. [2022-07-26 13:53:42,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:53:42,808 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1250 states and 6742 transitions. [2022-07-26 13:53:42,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states and 6742 transitions. [2022-07-26 13:53:42,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 959. [2022-07-26 13:53:42,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 959 states have (on average 5.580813347236705) internal successors, (5352), 958 states have internal predecessors, (5352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:53:42,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 5352 transitions. [2022-07-26 13:53:42,844 INFO L242 hiAutomatonCegarLoop]: Abstraction has 959 states and 5352 transitions. [2022-07-26 13:53:42,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-26 13:53:42,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-26 13:53:42,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-26 13:53:42,847 INFO L87 Difference]: Start difference. First operand 959 states and 5352 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) [2022-07-26 13:53:42,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-26 13:53:42,901 INFO L93 Difference]: Finished difference Result 1466 states and 7401 transitions. [2022-07-26 13:53:42,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1466 states and 7401 transitions. [2022-07-26 13:53:42,918 INFO L131 ngComponentsAnalysis]: Automaton has 264 accepting balls. 264 [2022-07-26 13:53:42,931 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1466 states to 1403 states and 6965 transitions. [2022-07-26 13:53:42,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 775 [2022-07-26 13:53:42,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 775 [2022-07-26 13:53:42,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1403 states and 6965 transitions. [2022-07-26 13:53:42,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:53:42,933 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1403 states and 6965 transitions. [2022-07-26 13:53:42,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states and 6965 transitions. [2022-07-26 13:53:42,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 1099. [2022-07-26 13:53:42,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 1099 states have (on average 5.268425841674249) internal successors, (5790), 1098 states have internal predecessors, (5790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:53:42,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 5790 transitions. [2022-07-26 13:53:42,962 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1099 states and 5790 transitions. [2022-07-26 13:53:42,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-26 13:53:42,963 INFO L426 stractBuchiCegarLoop]: Abstraction has 1099 states and 5790 transitions. [2022-07-26 13:53:42,963 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-26 13:53:42,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1099 states and 5790 transitions. [2022-07-26 13:53:42,971 INFO L131 ngComponentsAnalysis]: Automaton has 184 accepting balls. 184 [2022-07-26 13:53:42,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:53:42,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:53:42,972 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-26 13:53:42,972 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:53:42,973 INFO L733 eck$LassoCheckResult]: Stem: 9235#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= v_~counter2~0_90 0) (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (= v_~counter1~0_96 0) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_90, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_45, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_51, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_96, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 8415#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#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] 8069#[L89-4, thread1ENTRY]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 8073#[L90-3, thread1ENTRY]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 8527#[thread2ENTRY, L90-4, thread1ENTRY]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 8529#[thread2ENTRY, thread1ENTRY, L91-3]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 8535#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L91-4]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 8985#[thread1ENTRY, thread2ENTRY, L62-4, L91-4]don't care [2022-07-26 13:53:42,974 INFO L735 eck$LassoCheckResult]: Loop: 8985#[thread1ENTRY, thread2ENTRY, L62-4, L91-4]don't care [485] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_32 v_~M~0_43) (= (+ v_thread3Thread1of1ForFork0_~i~2_32 1) v_thread3Thread1of1ForFork0_~i~2_31) (= (+ v_~counter2~0_81 1) v_~counter2~0_80)) InVars {~counter2~0=v_~counter2~0_81, ~M~0=v_~M~0_43, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_32} OutVars{~counter2~0=v_~counter2~0_80, ~M~0=v_~M~0_43, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_31, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_13|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 8985#[thread1ENTRY, thread2ENTRY, L62-4, L91-4]don't care [2022-07-26 13:53:42,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:42,974 INFO L85 PathProgramCache]: Analyzing trace with hash -206269713, now seen corresponding path program 1 times [2022-07-26 13:53:42,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:42,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399272979] [2022-07-26 13:53:42,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:42,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:43,012 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:43,028 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:43,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:43,029 INFO L85 PathProgramCache]: Analyzing trace with hash 516, now seen corresponding path program 1 times [2022-07-26 13:53:43,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:43,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448088702] [2022-07-26 13:53:43,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:43,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:43,031 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:43,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:43,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:43,034 INFO L85 PathProgramCache]: Analyzing trace with hash -2099393322, now seen corresponding path program 1 times [2022-07-26 13:53:43,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:43,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056610842] [2022-07-26 13:53:43,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:43,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:43,047 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:43,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:43,068 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:43,068 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:43,068 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:43,068 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:43,068 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:53:43,068 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,068 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:43,068 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:43,068 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration3_Loop [2022-07-26 13:53:43,068 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:43,068 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:43,069 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,070 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,072 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,073 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,075 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,076 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,078 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,079 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,081 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,084 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,085 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,087 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,147 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:43,147 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:53:43,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,149 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) [2022-07-26 13:53:43,166 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:43,166 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:43,175 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 [2022-07-26 13:53:43,175 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:43,176 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork0_#t~post5=0} Honda state: {thread3Thread1of1ForFork0_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:43,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-07-26 13:53:43,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,192 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) [2022-07-26 13:53:43,193 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 [2022-07-26 13:53:43,195 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:43,195 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:43,204 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:43,204 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: [] [2022-07-26 13:53:43,221 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 [2022-07-26 13:53:43,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,222 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) [2022-07-26 13:53:43,223 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 [2022-07-26 13:53:43,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:43,224 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:43,235 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:43,235 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_5=-1} Honda state: {v_rep#funAddr~thread4.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:43,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-07-26 13:53:43,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,250 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) [2022-07-26 13:53:43,251 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 [2022-07-26 13:53:43,253 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:43,253 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:43,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:43,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,274 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) [2022-07-26 13:53:43,275 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 [2022-07-26 13:53:43,276 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:53:43,276 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:43,293 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:43,293 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter2~0=0} Honda state: {~counter2~0=0} Generalized eigenvectors: [{~counter2~0=-2}, {~counter2~0=4}, {~counter2~0=-1}] Lambdas: [1, 1, 1] Nus: [0, 0] [2022-07-26 13:53:43,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-07-26 13:53:43,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,309 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) [2022-07-26 13:53:43,310 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 [2022-07-26 13:53:43,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:43,310 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:43,320 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:43,320 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_5=-1} Honda state: {v_rep#funAddr~thread2.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:43,335 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 [2022-07-26 13:53:43,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,336 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) [2022-07-26 13:53:43,336 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 [2022-07-26 13:53:43,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:43,337 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:43,347 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:43,347 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_5=-1} Honda state: {v_rep#funAddr~thread3.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:43,361 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 [2022-07-26 13:53:43,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,362 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) [2022-07-26 13:53:43,363 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 [2022-07-26 13:53:43,364 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:43,364 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:43,375 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:43,375 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_5=0} Honda state: {v_rep#funAddr~thread1.offset_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:43,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-07-26 13:53:43,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,392 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) [2022-07-26 13:53:43,392 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 [2022-07-26 13:53:43,393 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:43,393 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:43,404 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:43,404 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_5=3} Honda state: {v_rep#funAddr~thread4.offset_5=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:43,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-07-26 13:53:43,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,419 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) [2022-07-26 13:53:43,420 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 [2022-07-26 13:53:43,421 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:43,421 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:43,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-07-26 13:53:43,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,442 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) [2022-07-26 13:53:43,443 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 [2022-07-26 13:53:43,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:53:43,444 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:43,559 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:53:43,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-07-26 13:53:43,561 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:43,561 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:43,561 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:43,561 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:43,561 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:53:43,561 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,561 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:43,561 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:43,562 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration3_Loop [2022-07-26 13:53:43,562 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:43,562 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:43,562 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,566 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,571 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,572 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,574 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,576 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,577 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,579 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,582 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,584 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,586 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,588 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:43,694 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 [2022-07-26 13:53:43,704 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:43,704 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:53:43,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,705 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) [2022-07-26 13:53:43,706 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 [2022-07-26 13:53:43,707 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 [2022-07-26 13:53:43,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:43,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:43,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:43,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:43,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:43,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:43,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:43,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:43,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,758 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) [2022-07-26 13:53:43,758 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 [2022-07-26 13:53:43,760 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 [2022-07-26 13:53:43,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:43,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:43,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:43,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:43,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:43,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:43,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:43,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-07-26 13:53:43,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,783 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) [2022-07-26 13:53:43,784 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 [2022-07-26 13:53:43,785 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 [2022-07-26 13:53:43,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:43,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:43,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:43,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:43,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:43,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:43,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:43,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:43,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-07-26 13:53:43,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,806 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) [2022-07-26 13:53:43,807 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 [2022-07-26 13:53:43,808 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 [2022-07-26 13:53:43,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:43,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:43,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:43,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:43,815 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:43,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:43,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:43,838 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 [2022-07-26 13:53:43,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,839 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) [2022-07-26 13:53:43,840 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 [2022-07-26 13:53:43,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:53:43,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:43,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:43,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:43,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:43,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:43,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:43,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:43,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-07-26 13:53:43,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,874 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) [2022-07-26 13:53:43,874 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 [2022-07-26 13:53:43,876 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 [2022-07-26 13:53:43,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:43,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:43,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:43,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:43,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:43,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:43,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:43,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:43,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-07-26 13:53:43,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,898 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) [2022-07-26 13:53:43,898 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 [2022-07-26 13:53:43,900 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 [2022-07-26 13:53:43,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:43,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:43,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:43,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:43,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:43,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:43,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:43,930 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 [2022-07-26 13:53:43,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,932 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) [2022-07-26 13:53:43,933 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 [2022-07-26 13:53:43,934 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 [2022-07-26 13:53:43,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:43,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:43,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:43,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:43,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:43,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:43,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:43,947 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:53:43,949 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-26 13:53:43,949 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 13:53:43,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:43,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:43,950 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) [2022-07-26 13:53:43,951 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 [2022-07-26 13:53:43,952 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:53:43,952 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:53:43,952 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:53:43,952 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork0_~i~2, ~M~0) = -1*thread3Thread1of1ForFork0_~i~2 + 1*~M~0 Supporting invariants [] [2022-07-26 13:53:43,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-07-26 13:53:43,967 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:53:43,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:44,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:53:44,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:44,012 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:53:44,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:44,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:53:44,012 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:53:44,013 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1099 states and 5790 transitions. cyclomatic complexity: 5109 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) [2022-07-26 13:53:44,086 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1099 states and 5790 transitions. cyclomatic complexity: 5109. 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 3097 states and 16829 transitions. Complement of second has 4 states. [2022-07-26 13:53:44,087 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 [2022-07-26 13:53:44,087 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) [2022-07-26 13:53:44,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2022-07-26 13:53:44,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 7 letters. Loop has 1 letters. [2022-07-26 13:53:44,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:44,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-26 13:53:44,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:44,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-26 13:53:44,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:44,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3097 states and 16829 transitions. [2022-07-26 13:53:44,122 INFO L131 ngComponentsAnalysis]: Automaton has 98 accepting balls. 98 [2022-07-26 13:53:44,143 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3097 states to 2061 states and 10964 transitions. [2022-07-26 13:53:44,143 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 606 [2022-07-26 13:53:44,145 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 774 [2022-07-26 13:53:44,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2061 states and 10964 transitions. [2022-07-26 13:53:44,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:53:44,145 INFO L220 hiAutomatonCegarLoop]: Abstraction has 2061 states and 10964 transitions. [2022-07-26 13:53:44,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2061 states and 10964 transitions. [2022-07-26 13:53:44,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2061 to 1626. [2022-07-26 13:53:44,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1626 states, 1626 states have (on average 5.501230012300123) internal successors, (8945), 1625 states have internal predecessors, (8945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:53:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 8945 transitions. [2022-07-26 13:53:44,181 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1626 states and 8945 transitions. [2022-07-26 13:53:44,181 INFO L426 stractBuchiCegarLoop]: Abstraction has 1626 states and 8945 transitions. [2022-07-26 13:53:44,181 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-26 13:53:44,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1626 states and 8945 transitions. [2022-07-26 13:53:44,193 INFO L131 ngComponentsAnalysis]: Automaton has 98 accepting balls. 98 [2022-07-26 13:53:44,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:53:44,193 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:53:44,193 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-26 13:53:44,193 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:53:44,194 INFO L733 eck$LassoCheckResult]: Stem: 14812#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= v_~counter2~0_90 0) (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (= v_~counter1~0_96 0) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_90, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_45, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_51, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_96, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 13684#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#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] 13350#[L89-4, thread1ENTRY]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 13354#[L90-3, thread1ENTRY]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 13798#[thread2ENTRY, L90-4, thread1ENTRY]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 13800#[thread2ENTRY, thread1ENTRY, L91-3]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 13806#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L91-4]don't care [483] L91-4-->L92-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (select |v_#length_75| |v_ULTIMATE.start_main_~#t4~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre17#1_21| |v_#pthreadsForks_54|) (= (+ |v_#pthreadsForks_54| 1) |v_#pthreadsForks_53|) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) 1) (= (store |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31| (store (select |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) |v_ULTIMATE.start_main_~#t4~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre17#1_21|)) |v_#memory_int_55|)) InVars {#pthreadsForks=|v_#pthreadsForks_54|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_56|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_11|, #pthreadsForks=|v_#pthreadsForks_53|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_55|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~pre17#1] 14344#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L92-3]don't care [388] L92-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre17#1_6| v_thread4Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 14152#[thread4ENTRY, L92-4, thread2ENTRY, thread3ENTRY, thread1ENTRY]don't care [370] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 13474#[L92-4, thread2ENTRY, thread3ENTRY, L72-4, thread1ENTRY]don't care [2022-07-26 13:53:44,194 INFO L735 eck$LassoCheckResult]: Loop: 13474#[L92-4, thread2ENTRY, thread3ENTRY, L72-4, thread1ENTRY]don't care [484] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_13| (ite (< 0 v_~counter2~0_71) 1 0)) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_13| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_13|) (= (+ v_~counter2~0_70 1) v_~counter2~0_71) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_28| 1) |v_thread4Thread1of1ForFork2_~i~3#1_27|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_13| 0)) (< |v_thread4Thread1of1ForFork2_~i~3#1_28| v_~N~0_37)) InVars {~counter2~0=v_~counter2~0_71, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_28|, ~N~0=v_~N~0_37} OutVars{~counter2~0=v_~counter2~0_70, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_27|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_13|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_21|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_13|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_13|, ~N~0=v_~N~0_37} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 13474#[L92-4, thread2ENTRY, thread3ENTRY, L72-4, thread1ENTRY]don't care [2022-07-26 13:53:44,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:44,194 INFO L85 PathProgramCache]: Analyzing trace with hash -656567976, now seen corresponding path program 1 times [2022-07-26 13:53:44,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:44,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145597349] [2022-07-26 13:53:44,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:44,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:44,208 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:44,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:44,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:44,218 INFO L85 PathProgramCache]: Analyzing trace with hash 515, now seen corresponding path program 1 times [2022-07-26 13:53:44,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:44,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171102412] [2022-07-26 13:53:44,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:44,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:44,221 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:44,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:44,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:44,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1121229708, now seen corresponding path program 1 times [2022-07-26 13:53:44,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:44,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982121401] [2022-07-26 13:53:44,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:44,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:44,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:53:44,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-26 13:53:44,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982121401] [2022-07-26 13:53:44,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982121401] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-26 13:53:44,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-26 13:53:44,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-26 13:53:44,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670405164] [2022-07-26 13:53:44,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-26 13:53:44,290 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:44,290 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:44,291 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:44,291 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:44,291 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:53:44,291 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:44,291 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:44,291 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:44,291 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration4_Loop [2022-07-26 13:53:44,291 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:44,291 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:44,292 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,294 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,295 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,297 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,299 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,302 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,306 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,307 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,309 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,311 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,315 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,317 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,319 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,392 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:44,392 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:53:44,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:44,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:44,393 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) [2022-07-26 13:53:44,393 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 [2022-07-26 13:53:44,395 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:44,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:44,404 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:44,404 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: [] [2022-07-26 13:53:44,418 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 [2022-07-26 13:53:44,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:44,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:44,419 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) [2022-07-26 13:53:44,420 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 [2022-07-26 13:53:44,421 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:44,421 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:44,430 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:44,430 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_7=-1} Honda state: {v_rep#funAddr~thread3.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:44,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-07-26 13:53:44,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:44,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:44,445 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) [2022-07-26 13:53:44,445 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 [2022-07-26 13:53:44,447 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:44,447 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:44,456 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:44,456 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_7=-1} Honda state: {v_rep#funAddr~thread4.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:44,470 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 [2022-07-26 13:53:44,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:44,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:44,471 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) [2022-07-26 13:53:44,472 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 [2022-07-26 13:53:44,473 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:44,473 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:44,482 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:44,483 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: [] [2022-07-26 13:53:44,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-07-26 13:53:44,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:44,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:44,497 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) [2022-07-26 13:53:44,498 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 [2022-07-26 13:53:44,499 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:44,499 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:44,510 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:44,510 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=1} Honda state: {thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:44,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-07-26 13:53:44,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:44,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:44,525 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) [2022-07-26 13:53:44,525 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 [2022-07-26 13:53:44,527 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:44,527 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:44,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-07-26 13:53:44,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:44,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:44,559 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) [2022-07-26 13:53:44,560 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 [2022-07-26 13:53:44,561 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:53:44,561 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:44,589 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:53:44,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-07-26 13:53:44,592 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:44,592 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:44,592 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:44,592 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:44,592 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:53:44,592 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:44,592 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:44,592 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:44,592 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration4_Loop [2022-07-26 13:53:44,592 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:44,592 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:44,593 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,595 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,596 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,598 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,608 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,609 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,612 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,613 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,615 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,617 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,618 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,621 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,623 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:44,663 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 [2022-07-26 13:53:44,728 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:44,728 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:53:44,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:44,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:44,731 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) [2022-07-26 13:53:44,740 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 [2022-07-26 13:53:44,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:44,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:44,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:44,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:44,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:44,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:44,748 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 [2022-07-26 13:53:44,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:44,778 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 [2022-07-26 13:53:44,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:44,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:44,779 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) [2022-07-26 13:53:44,779 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 [2022-07-26 13:53:44,780 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 [2022-07-26 13:53:44,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:44,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:44,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:44,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:44,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:44,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:44,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:44,803 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 [2022-07-26 13:53:44,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:44,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:44,804 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) [2022-07-26 13:53:44,804 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 [2022-07-26 13:53:44,805 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 [2022-07-26 13:53:44,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:44,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:44,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:44,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:44,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:44,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:44,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:44,833 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 [2022-07-26 13:53:44,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:44,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:44,834 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) [2022-07-26 13:53:44,835 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 [2022-07-26 13:53:44,836 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 [2022-07-26 13:53:44,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:44,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:44,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:44,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:44,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:44,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:44,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:44,853 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:53:44,855 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:53:44,855 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 13:53:44,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:44,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:44,856 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) [2022-07-26 13:53:44,863 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:53:44,863 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:53:44,864 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:53:44,864 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter2~0) = 1*~counter2~0 Supporting invariants [] [2022-07-26 13:53:44,878 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 [2022-07-26 13:53:44,878 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 [2022-07-26 13:53:44,879 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:53:44,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:44,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:53:44,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:44,928 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-26 13:53:44,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:44,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:53:44,929 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:53:44,929 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1626 states and 8945 transitions. cyclomatic complexity: 7821 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) [2022-07-26 13:53:45,010 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1626 states and 8945 transitions. cyclomatic complexity: 7821. 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 3785 states and 19710 transitions. Complement of second has 5 states. [2022-07-26 13:53:45,011 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 [2022-07-26 13:53:45,011 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) [2022-07-26 13:53:45,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 57 transitions. [2022-07-26 13:53:45,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 57 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-26 13:53:45,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:45,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 57 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-26 13:53:45,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:45,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 57 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-26 13:53:45,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:45,012 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3785 states and 19710 transitions. [2022-07-26 13:53:45,055 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 66 [2022-07-26 13:53:45,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3785 states to 2537 states and 12503 transitions. [2022-07-26 13:53:45,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 555 [2022-07-26 13:53:45,085 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 583 [2022-07-26 13:53:45,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2537 states and 12503 transitions. [2022-07-26 13:53:45,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:53:45,085 INFO L220 hiAutomatonCegarLoop]: Abstraction has 2537 states and 12503 transitions. [2022-07-26 13:53:45,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2537 states and 12503 transitions. [2022-07-26 13:53:45,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2537 to 1793. [2022-07-26 13:53:45,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1793 states, 1793 states have (on average 5.159509202453988) internal successors, (9251), 1792 states have internal predecessors, (9251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:53:45,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1793 states and 9251 transitions. [2022-07-26 13:53:45,138 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1793 states and 9251 transitions. [2022-07-26 13:53:45,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-26 13:53:45,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-26 13:53:45,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-26 13:53:45,139 INFO L87 Difference]: Start difference. First operand 1793 states and 9251 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:53:45,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-26 13:53:45,184 INFO L93 Difference]: Finished difference Result 2325 states and 11135 transitions. [2022-07-26 13:53:45,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2325 states and 11135 transitions. [2022-07-26 13:53:45,206 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 66 [2022-07-26 13:53:45,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2325 states to 2009 states and 9714 transitions. [2022-07-26 13:53:45,224 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2022-07-26 13:53:45,225 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2022-07-26 13:53:45,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2009 states and 9714 transitions. [2022-07-26 13:53:45,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:53:45,225 INFO L220 hiAutomatonCegarLoop]: Abstraction has 2009 states and 9714 transitions. [2022-07-26 13:53:45,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2009 states and 9714 transitions. [2022-07-26 13:53:45,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2009 to 1781. [2022-07-26 13:53:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1781 states, 1781 states have (on average 4.99606962380685) internal successors, (8898), 1780 states have internal predecessors, (8898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:53:45,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1781 states and 8898 transitions. [2022-07-26 13:53:45,263 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1781 states and 8898 transitions. [2022-07-26 13:53:45,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-26 13:53:45,264 INFO L426 stractBuchiCegarLoop]: Abstraction has 1781 states and 8898 transitions. [2022-07-26 13:53:45,264 INFO L333 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-26 13:53:45,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1781 states and 8898 transitions. [2022-07-26 13:53:45,276 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 66 [2022-07-26 13:53:45,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:53:45,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:53:45,276 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-26 13:53:45,276 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:53:45,277 INFO L733 eck$LassoCheckResult]: Stem: 27638#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= v_~counter2~0_90 0) (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (= v_~counter1~0_96 0) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_90, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_45, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_51, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_96, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 26600#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#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] 26308#[L89-4, thread1ENTRY]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 26312#[L90-3, thread1ENTRY]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 26702#[thread2ENTRY, L90-4, thread1ENTRY]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 26704#[thread2ENTRY, thread1ENTRY, L91-3]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 26710#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L91-4]don't care [483] L91-4-->L92-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (select |v_#length_75| |v_ULTIMATE.start_main_~#t4~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre17#1_21| |v_#pthreadsForks_54|) (= (+ |v_#pthreadsForks_54| 1) |v_#pthreadsForks_53|) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) 1) (= (store |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31| (store (select |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) |v_ULTIMATE.start_main_~#t4~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre17#1_21|)) |v_#memory_int_55|)) InVars {#pthreadsForks=|v_#pthreadsForks_54|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_56|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_11|, #pthreadsForks=|v_#pthreadsForks_53|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_55|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~pre17#1] 27188#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L92-3]don't care [388] L92-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre17#1_6| v_thread4Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 27014#[thread4ENTRY, L92-4, thread2ENTRY, thread3ENTRY, thread1ENTRY]don't care [370] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 26406#[L92-4, thread2ENTRY, thread3ENTRY, L72-4, thread1ENTRY]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 26412#[L62-4, L92-4, thread2ENTRY, L72-4, thread1ENTRY]don't care [485] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_32 v_~M~0_43) (= (+ v_thread3Thread1of1ForFork0_~i~2_32 1) v_thread3Thread1of1ForFork0_~i~2_31) (= (+ v_~counter2~0_81 1) v_~counter2~0_80)) InVars {~counter2~0=v_~counter2~0_81, ~M~0=v_~M~0_43, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_32} OutVars{~counter2~0=v_~counter2~0_80, ~M~0=v_~M~0_43, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_31, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_13|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 27668#[L62-4, L92-4, thread2ENTRY, L72-4, thread1ENTRY]don't care [449] L92-4-->L93-1: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_13|) (= (select |v_#valid_64| |v_ULTIMATE.start_main_~#t1~0#1.base_15|) 1) (= |v_ULTIMATE.start_main_#t~mem19#1_10| (select (select |v_#memory_int_27| |v_ULTIMATE.start_main_~#t1~0#1.base_15|) |v_ULTIMATE.start_main_~#t1~0#1.offset_13|)) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_13|) (select |v_#length_41| |v_ULTIMATE.start_main_~#t1~0#1.base_15|))) InVars {#valid=|v_#valid_64|, #memory_int=|v_#memory_int_27|, #length=|v_#length_41|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_15|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_13|} OutVars{ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_10|, #valid=|v_#valid_64|, #memory_int=|v_#memory_int_27|, #length=|v_#length_41|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_7|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_15|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_13|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_#t~pre17#1] 27658#[L62-4, thread2ENTRY, L93-1, L72-4, thread1ENTRY]don't care [2022-07-26 13:53:45,277 INFO L735 eck$LassoCheckResult]: Loop: 27658#[L62-4, thread2ENTRY, L93-1, L72-4, thread1ENTRY]don't care [484] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_13| (ite (< 0 v_~counter2~0_71) 1 0)) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_13| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_13|) (= (+ v_~counter2~0_70 1) v_~counter2~0_71) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_28| 1) |v_thread4Thread1of1ForFork2_~i~3#1_27|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_13| 0)) (< |v_thread4Thread1of1ForFork2_~i~3#1_28| v_~N~0_37)) InVars {~counter2~0=v_~counter2~0_71, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_28|, ~N~0=v_~N~0_37} OutVars{~counter2~0=v_~counter2~0_70, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_27|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_13|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_21|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_13|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_13|, ~N~0=v_~N~0_37} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 27658#[L62-4, thread2ENTRY, L93-1, L72-4, thread1ENTRY]don't care [2022-07-26 13:53:45,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:45,277 INFO L85 PathProgramCache]: Analyzing trace with hash -535145588, now seen corresponding path program 1 times [2022-07-26 13:53:45,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:45,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134919917] [2022-07-26 13:53:45,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:45,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:45,293 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:45,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:45,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:45,309 INFO L85 PathProgramCache]: Analyzing trace with hash 515, now seen corresponding path program 2 times [2022-07-26 13:53:45,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:45,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420810431] [2022-07-26 13:53:45,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:45,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:45,311 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:45,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:45,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:45,314 INFO L85 PathProgramCache]: Analyzing trace with hash 590356440, now seen corresponding path program 1 times [2022-07-26 13:53:45,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:45,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315209933] [2022-07-26 13:53:45,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:45,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:45,375 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:45,390 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:45,391 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 [2022-07-26 13:53:45,429 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:45,429 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:45,429 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:45,429 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:45,429 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:53:45,429 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:45,429 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:45,429 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:45,429 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration5_Loop [2022-07-26 13:53:45,429 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:45,430 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:45,430 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,432 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,435 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,437 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,439 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,441 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,443 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,444 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,445 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,447 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,450 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,451 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,455 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,522 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:45,522 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:53:45,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:45,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:45,523 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) [2022-07-26 13:53:45,524 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 [2022-07-26 13:53:45,525 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:45,525 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:45,542 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:45,543 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_9=2} Honda state: {v_rep#funAddr~thread3.offset_9=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:45,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:45,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:45,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:45,558 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) [2022-07-26 13:53:45,558 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 [2022-07-26 13:53:45,560 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:45,560 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:45,575 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:45,575 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=1} Honda state: {thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:45,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-07-26 13:53:45,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:45,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:45,591 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) [2022-07-26 13:53:45,591 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 [2022-07-26 13:53:45,592 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:45,592 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:45,601 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:45,601 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: [] [2022-07-26 13:53:45,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2022-07-26 13:53:45,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:45,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:45,616 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) [2022-07-26 13:53:45,617 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 [2022-07-26 13:53:45,618 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:45,618 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:45,627 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:45,627 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_9=-1} Honda state: {v_rep#funAddr~thread3.base_9=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:45,641 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 [2022-07-26 13:53:45,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:45,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:45,642 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) [2022-07-26 13:53:45,642 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 [2022-07-26 13:53:45,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:45,644 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:45,655 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:45,655 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_9=-1} Honda state: {v_rep#funAddr~thread4.base_9=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:45,670 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 [2022-07-26 13:53:45,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:45,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:45,671 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) [2022-07-26 13:53:45,671 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 [2022-07-26 13:53:45,672 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:45,672 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:45,685 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:45,685 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_9=3} Honda state: {v_rep#funAddr~thread4.offset_9=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:45,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:45,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:45,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:45,700 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) [2022-07-26 13:53:45,701 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 [2022-07-26 13:53:45,702 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:45,702 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:45,711 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:45,711 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: [] [2022-07-26 13:53:45,725 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 [2022-07-26 13:53:45,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:45,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:45,726 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) [2022-07-26 13:53:45,727 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 [2022-07-26 13:53:45,728 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:45,728 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:45,733 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:45,734 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread4Thread1of1ForFork2_#t~post7#1=0} Honda state: {thread4Thread1of1ForFork2_#t~post7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:45,748 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 [2022-07-26 13:53:45,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:45,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:45,749 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) [2022-07-26 13:53:45,749 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 [2022-07-26 13:53:45,751 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:45,751 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:45,767 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:45,767 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: [] [2022-07-26 13:53:45,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-07-26 13:53:45,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:45,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:45,782 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) [2022-07-26 13:53:45,783 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 [2022-07-26 13:53:45,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:45,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:45,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-07-26 13:53:45,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:45,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:45,805 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) [2022-07-26 13:53:45,805 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 [2022-07-26 13:53:45,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:53:45,806 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:45,934 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:53:45,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2022-07-26 13:53:45,936 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:45,936 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:45,936 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:45,936 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:45,936 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:53:45,936 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:45,936 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:45,937 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:45,937 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration5_Loop [2022-07-26 13:53:45,937 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:45,937 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:45,937 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,941 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,942 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,944 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,945 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,953 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,955 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,956 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,957 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,961 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,963 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,964 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:45,968 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,041 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:46,041 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:53:46,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:46,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:46,042 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) [2022-07-26 13:53:46,045 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 [2022-07-26 13:53:46,046 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 [2022-07-26 13:53:46,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:46,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:46,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:46,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:46,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:46,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:46,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:46,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:46,067 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 [2022-07-26 13:53:46,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:46,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:46,068 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) [2022-07-26 13:53:46,069 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 [2022-07-26 13:53:46,070 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 [2022-07-26 13:53:46,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:46,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:46,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:46,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:46,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:46,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:46,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:46,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2022-07-26 13:53:46,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:46,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:46,094 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) [2022-07-26 13:53:46,094 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 [2022-07-26 13:53:46,096 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 [2022-07-26 13:53:46,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:46,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:46,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:46,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:46,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:46,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:46,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:46,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2022-07-26 13:53:46,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:46,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:46,120 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) [2022-07-26 13:53:46,121 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 [2022-07-26 13:53:46,122 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 [2022-07-26 13:53:46,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:46,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:46,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:46,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:46,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:46,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:46,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:46,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2022-07-26 13:53:46,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:46,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:46,147 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) [2022-07-26 13:53:46,148 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 [2022-07-26 13:53:46,149 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 [2022-07-26 13:53:46,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:46,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:46,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:46,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:46,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:46,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:46,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:46,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2022-07-26 13:53:46,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:46,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:46,172 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) [2022-07-26 13:53:46,172 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 [2022-07-26 13:53:46,174 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 [2022-07-26 13:53:46,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:46,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:46,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:46,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:46,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:46,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:46,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:46,196 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 [2022-07-26 13:53:46,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:46,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:46,197 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) [2022-07-26 13:53:46,197 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 [2022-07-26 13:53:46,198 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 [2022-07-26 13:53:46,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:46,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:46,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:46,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:46,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:46,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:46,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:46,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:46,220 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 [2022-07-26 13:53:46,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:46,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:46,221 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) [2022-07-26 13:53:46,221 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 [2022-07-26 13:53:46,222 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 [2022-07-26 13:53:46,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:46,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:46,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:46,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:46,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:46,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:46,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:46,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:46,243 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 [2022-07-26 13:53:46,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:46,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:46,244 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) [2022-07-26 13:53:46,244 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 [2022-07-26 13:53:46,245 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 [2022-07-26 13:53:46,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:46,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:46,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:46,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:46,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:46,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:46,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:46,252 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:53:46,256 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:53:46,256 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 13:53:46,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:46,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:46,257 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) [2022-07-26 13:53:46,258 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 [2022-07-26 13:53:46,258 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:53:46,259 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:53:46,259 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:53:46,259 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread4Thread1of1ForFork2_~i~3#1) = 1*~N~0 - 1*thread4Thread1of1ForFork2_~i~3#1 Supporting invariants [] [2022-07-26 13:53:46,273 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 [2022-07-26 13:53:46,274 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:53:46,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:46,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:53:46,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:46,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:53:46,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:46,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:53:46,344 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:53:46,345 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1781 states and 8898 transitions. cyclomatic complexity: 7690 Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:53:46,416 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1781 states and 8898 transitions. cyclomatic complexity: 7690. Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 4107 states and 19219 transitions. Complement of second has 5 states. [2022-07-26 13:53:46,416 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 [2022-07-26 13:53:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:53:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2022-07-26 13:53:46,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 12 letters. Loop has 1 letters. [2022-07-26 13:53:46,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:46,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 13 letters. Loop has 1 letters. [2022-07-26 13:53:46,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:46,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 52 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-26 13:53:46,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:46,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4107 states and 19219 transitions. [2022-07-26 13:53:46,454 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 66 [2022-07-26 13:53:46,473 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4107 states to 1889 states and 8758 transitions. [2022-07-26 13:53:46,473 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 521 [2022-07-26 13:53:46,476 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 532 [2022-07-26 13:53:46,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1889 states and 8758 transitions. [2022-07-26 13:53:46,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:53:46,476 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1889 states and 8758 transitions. [2022-07-26 13:53:46,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states and 8758 transitions. [2022-07-26 13:53:46,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1764. [2022-07-26 13:53:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1764 states, 1764 states have (on average 4.687074829931973) internal successors, (8268), 1763 states have internal predecessors, (8268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:53:46,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1764 states and 8268 transitions. [2022-07-26 13:53:46,509 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1764 states and 8268 transitions. [2022-07-26 13:53:46,510 INFO L426 stractBuchiCegarLoop]: Abstraction has 1764 states and 8268 transitions. [2022-07-26 13:53:46,510 INFO L333 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-26 13:53:46,510 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1764 states and 8268 transitions. [2022-07-26 13:53:46,518 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 66 [2022-07-26 13:53:46,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:53:46,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:53:46,519 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-26 13:53:46,519 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:53:46,519 INFO L733 eck$LassoCheckResult]: Stem: 35307#[ULTIMATE.startENTRY]don't care [493] ULTIMATE.startENTRY-->L89-3: Formula: (let ((.cse3 (store |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 1))) (let ((.cse1 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45| 1)) (.cse2 (select |v_#memory_int_70| 1))) (and (= v_~counter2~0_90 0) (= |v_#NULL.offset_6| 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0#1.base_45|) 0) (= |v_#NULL.base_6| 0) (= (select |v_#valid_143| 1) 1) (= (select |v_#length_90| 2) 28) (= 2 (select |v_#length_90| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t2~0#1.base_45|) (= (select |v_#valid_143| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) 0) (= (select .cse2 1) 0) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_35| 0) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (= |v_#length_89| (store (store (store (store |v_#length_90| |v_ULTIMATE.start_main_~#t1~0#1.base_47| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_45| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4)) (= (store .cse0 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1) |v_#valid_142|) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t3~0#1.base_45|) (= |v_#pthreadsForks_65| (+ |v_#pthreadsForks_66| 1)) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) (= v_~counter1~0_96 0) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_37| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_45|) 0) (= |v_ULTIMATE.start_main_#t~pre11#1_29| |v_#pthreadsForks_66|) (= (select |v_#valid_143| 2) 1) (< 0 |v_#StackHeapBarrier_28|) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= (select .cse2 0) 48) (= |v_#memory_int_69| (store |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47| (store (select |v_#memory_int_70| |v_ULTIMATE.start_main_~#t1~0#1.base_47|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre11#1_29|))) (= (select |v_#valid_143| 0) 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #pthreadsForks=|v_#pthreadsForks_66|, #valid=|v_#valid_143|, #memory_int=|v_#memory_int_70|, #length=|v_#length_90|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_27|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_26|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_37|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_45|, #NULL.offset=|v_#NULL.offset_6|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_17|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_17|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_27|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_20|, ~counter2~0=v_~counter2~0_90, #pthreadsForks=|v_#pthreadsForks_65|, #length=|v_#length_89|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_24|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_26|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_29|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_30|, ~N~0=v_~N~0_45, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_29|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_47|, #NULL.base=|v_#NULL.base_6|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_19|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_20|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_20|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_17|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ~M~0=v_~M~0_51, #valid=|v_#valid_142|, ~counter1~0=v_~counter1~0_96, #memory_int=|v_#memory_int_69|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_45|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, #pthreadsForks, #length, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ~M~0, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 34317#[L89-3]don't care [385] L89-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#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] 34033#[L89-4, thread1ENTRY]don't care [486] L89-4-->L90-3: Formula: (and (= (store |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31| (store (select |v_#memory_int_60| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) |v_ULTIMATE.start_main_~#t2~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre13#1_21|)) |v_#memory_int_59|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_27|) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_27| 4) (select |v_#length_77| |v_ULTIMATE.start_main_~#t2~0#1.base_31|)) (= (+ |v_#pthreadsForks_58| 1) |v_#pthreadsForks_57|) (= |v_ULTIMATE.start_main_#t~pre13#1_21| |v_#pthreadsForks_58|) (= (select |v_#valid_120| |v_ULTIMATE.start_main_~#t2~0#1.base_31|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_58|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_60|, #length=|v_#length_77|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_21|, #pthreadsForks=|v_#pthreadsForks_57|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_21|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_27|, #valid=|v_#valid_120|, #memory_int=|v_#memory_int_59|, #length=|v_#length_77|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_11|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_31|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, ULTIMATE.start_main_#t~pre11#1, #memory_int, ULTIMATE.start_main_#t~nondet12#1] 34037#[L90-3, thread1ENTRY]don't care [391] L90-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_6|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 34415#[thread2ENTRY, L90-4, thread1ENTRY]don't care [475] L90-4-->L91-3: Formula: (and (= (select |v_#valid_110| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_25| 4) (select |v_#length_71| |v_ULTIMATE.start_main_~#t3~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre15#1_21| |v_#pthreadsForks_50|) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_25|) (= (store |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31| (store (select |v_#memory_int_50| |v_ULTIMATE.start_main_~#t3~0#1.base_31|) |v_ULTIMATE.start_main_~#t3~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre15#1_21|)) |v_#memory_int_49|) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_50|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_50|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_19|, #pthreadsForks=|v_#pthreadsForks_49|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_25|, #valid=|v_#valid_110|, #memory_int=|v_#memory_int_49|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_31|, #length=|v_#length_71|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_21|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet14#1] 34417#[thread2ENTRY, thread1ENTRY, L91-3]don't care [382] L91-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 34423#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L91-4]don't care [483] L91-4-->L92-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_27|) (select |v_#length_75| |v_ULTIMATE.start_main_~#t4~0#1.base_31|)) (= |v_ULTIMATE.start_main_#t~pre17#1_21| |v_#pthreadsForks_54|) (= (+ |v_#pthreadsForks_54| 1) |v_#pthreadsForks_53|) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) 1) (= (store |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31| (store (select |v_#memory_int_56| |v_ULTIMATE.start_main_~#t4~0#1.base_31|) |v_ULTIMATE.start_main_~#t4~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre17#1_21|)) |v_#memory_int_55|)) InVars {#pthreadsForks=|v_#pthreadsForks_54|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_56|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|} OutVars{ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_11|, #pthreadsForks=|v_#pthreadsForks_53|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_55|, #length=|v_#length_75|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_27|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_31|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_21|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~pre17#1] 34881#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L92-3]don't care [388] L92-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre17#1_6| v_thread4Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_6|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 34713#[thread4ENTRY, L92-4, thread2ENTRY, thread3ENTRY, thread1ENTRY]don't care [370] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 34131#[L92-4, thread2ENTRY, thread3ENTRY, L72-4, thread1ENTRY]don't care [360] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 34135#[L62-4, L92-4, thread2ENTRY, L72-4, thread1ENTRY]don't care [485] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_32 v_~M~0_43) (= (+ v_thread3Thread1of1ForFork0_~i~2_32 1) v_thread3Thread1of1ForFork0_~i~2_31) (= (+ v_~counter2~0_81 1) v_~counter2~0_80)) InVars {~counter2~0=v_~counter2~0_81, ~M~0=v_~M~0_43, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_32} OutVars{~counter2~0=v_~counter2~0_80, ~M~0=v_~M~0_43, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_31, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_13|, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_15|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 35341#[L62-4, L92-4, thread2ENTRY, L72-4, thread1ENTRY]don't care [484] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_13| (ite (< 0 v_~counter2~0_71) 1 0)) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_13| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_13|) (= (+ v_~counter2~0_70 1) v_~counter2~0_71) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_28| 1) |v_thread4Thread1of1ForFork2_~i~3#1_27|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_13| 0)) (< |v_thread4Thread1of1ForFork2_~i~3#1_28| v_~N~0_37)) InVars {~counter2~0=v_~counter2~0_71, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_28|, ~N~0=v_~N~0_37} OutVars{~counter2~0=v_~counter2~0_70, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_27|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_13|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_21|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_13|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_13|, ~N~0=v_~N~0_37} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 35331#[L62-4, L92-4, thread2ENTRY, L72-4, thread1ENTRY]don't care [2022-07-26 13:53:46,520 INFO L735 eck$LassoCheckResult]: Loop: 35331#[L62-4, L92-4, thread2ENTRY, L72-4, thread1ENTRY]don't care [484] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_13| (ite (< 0 v_~counter2~0_71) 1 0)) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_13| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_13|) (= (+ v_~counter2~0_70 1) v_~counter2~0_71) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_28| 1) |v_thread4Thread1of1ForFork2_~i~3#1_27|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_13| 0)) (< |v_thread4Thread1of1ForFork2_~i~3#1_28| v_~N~0_37)) InVars {~counter2~0=v_~counter2~0_71, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_28|, ~N~0=v_~N~0_37} OutVars{~counter2~0=v_~counter2~0_70, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_27|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_13|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_21|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_13|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_13|, ~N~0=v_~N~0_37} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 35331#[L62-4, L92-4, thread2ENTRY, L72-4, thread1ENTRY]don't care [2022-07-26 13:53:46,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:46,520 INFO L85 PathProgramCache]: Analyzing trace with hash -535145553, now seen corresponding path program 1 times [2022-07-26 13:53:46,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:46,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234658016] [2022-07-26 13:53:46,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:46,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:46,542 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:46,550 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:46,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:46,551 INFO L85 PathProgramCache]: Analyzing trace with hash 515, now seen corresponding path program 3 times [2022-07-26 13:53:46,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:46,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936036238] [2022-07-26 13:53:46,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:46,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:46,553 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:46,555 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:46,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:46,555 INFO L85 PathProgramCache]: Analyzing trace with hash 590357525, now seen corresponding path program 2 times [2022-07-26 13:53:46,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:46,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854087685] [2022-07-26 13:53:46,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:46,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:46,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:53:46,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-26 13:53:46,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854087685] [2022-07-26 13:53:46,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854087685] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-26 13:53:46,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-26 13:53:46,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-26 13:53:46,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451601537] [2022-07-26 13:53:46,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-26 13:53:46,616 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:46,616 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:46,616 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:46,616 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:46,616 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:53:46,617 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:46,617 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:46,617 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:46,617 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration6_Loop [2022-07-26 13:53:46,617 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:46,617 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:46,618 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,621 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,623 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,625 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,627 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,629 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,631 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,633 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,637 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,639 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,641 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,645 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,647 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:46,777 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:46,777 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:53:46,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:46,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:46,783 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) [2022-07-26 13:53:46,784 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 [2022-07-26 13:53:46,785 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:46,785 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:46,817 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 [2022-07-26 13:53:46,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:46,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:46,818 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) [2022-07-26 13:53:46,819 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 [2022-07-26 13:53:46,820 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:53:46,820 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:46,945 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:53:46,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:46,947 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:46,947 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:46,947 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:46,947 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:46,947 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:53:46,948 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:46,948 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:46,948 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:46,948 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration6_Loop [2022-07-26 13:53:46,948 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:46,948 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:46,948 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,952 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,953 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,955 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,957 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,958 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,960 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,961 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,963 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,966 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,967 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,968 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:46,976 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:47,048 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:47,048 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:53:47,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:47,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:47,049 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) [2022-07-26 13:53:47,050 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 [2022-07-26 13:53:47,051 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 [2022-07-26 13:53:47,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:47,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:47,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:47,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:47,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:47,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:47,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:47,067 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:53:47,068 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:53:47,068 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 13:53:47,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:47,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:47,069 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) [2022-07-26 13:53:47,070 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 [2022-07-26 13:53:47,071 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:53:47,071 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:53:47,071 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:53:47,071 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread4Thread1of1ForFork2_~i~3#1) = 1*~N~0 - 1*thread4Thread1of1ForFork2_~i~3#1 Supporting invariants [] [2022-07-26 13:53:47,085 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 [2022-07-26 13:53:47,085 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:53:47,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:47,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:53:47,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:47,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:53:47,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:47,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:53:47,151 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:53:47,151 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1764 states and 8268 transitions. cyclomatic complexity: 7076 Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:53:47,224 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1764 states and 8268 transitions. cyclomatic complexity: 7076. Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3812 states and 17455 transitions. Complement of second has 4 states. [2022-07-26 13:53:47,225 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 [2022-07-26 13:53:47,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:53:47,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 56 transitions. [2022-07-26 13:53:47,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 56 transitions. Stem has 12 letters. Loop has 1 letters. [2022-07-26 13:53:47,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:47,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 56 transitions. Stem has 13 letters. Loop has 1 letters. [2022-07-26 13:53:47,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:47,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 56 transitions. Stem has 12 letters. Loop has 2 letters. [2022-07-26 13:53:47,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:47,228 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3812 states and 17455 transitions. [2022-07-26 13:53:47,260 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:53:47,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3812 states to 0 states and 0 transitions. [2022-07-26 13:53:47,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 13:53:47,261 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 13:53:47,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 13:53:47,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 13:53:47,261 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:53:47,261 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:53:47,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-26 13:53:47,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-26 13:53:47,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-26 13:53:47,261 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:53:47,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-26 13:53:47,261 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-07-26 13:53:47,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-07-26 13:53:47,262 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:53:47,262 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-07-26 13:53:47,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 13:53:47,262 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 13:53:47,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 13:53:47,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 13:53:47,262 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:53:47,262 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:53:47,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-26 13:53:47,263 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:53:47,263 INFO L333 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-26 13:53:47,263 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-26 13:53:47,263 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:53:47,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 13:53:47,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:53:47 BoogieIcfgContainer [2022-07-26 13:53:47,267 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:53:47,267 INFO L158 Benchmark]: Toolchain (without parser) took 11354.75ms. Allocated memory was 203.4MB in the beginning and 337.6MB in the end (delta: 134.2MB). Free memory was 153.2MB in the beginning and 218.6MB in the end (delta: -65.4MB). Peak memory consumption was 70.4MB. Max. memory is 8.0GB. [2022-07-26 13:53:47,268 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 203.4MB. Free memory is still 169.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:53:47,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.94ms. Allocated memory is still 203.4MB. Free memory was 153.0MB in the beginning and 178.7MB in the end (delta: -25.7MB). Peak memory consumption was 10.6MB. Max. memory is 8.0GB. [2022-07-26 13:53:47,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.39ms. Allocated memory is still 203.4MB. Free memory was 178.7MB in the beginning and 176.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 13:53:47,268 INFO L158 Benchmark]: Boogie Preprocessor took 30.40ms. Allocated memory is still 203.4MB. Free memory was 176.7MB in the beginning and 175.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:53:47,268 INFO L158 Benchmark]: RCFGBuilder took 395.08ms. Allocated memory is still 203.4MB. Free memory was 175.6MB in the beginning and 158.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-07-26 13:53:47,269 INFO L158 Benchmark]: BuchiAutomizer took 10610.41ms. Allocated memory was 203.4MB in the beginning and 337.6MB in the end (delta: 134.2MB). Free memory was 158.3MB in the beginning and 218.6MB in the end (delta: -60.2MB). Peak memory consumption was 75.6MB. Max. memory is 8.0GB. [2022-07-26 13:53:47,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 203.4MB. Free memory is still 169.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 266.94ms. Allocated memory is still 203.4MB. Free memory was 153.0MB in the beginning and 178.7MB in the end (delta: -25.7MB). Peak memory consumption was 10.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.39ms. Allocated memory is still 203.4MB. Free memory was 178.7MB in the beginning and 176.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.40ms. Allocated memory is still 203.4MB. Free memory was 176.7MB in the beginning and 175.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 395.08ms. Allocated memory is still 203.4MB. Free memory was 175.6MB in the beginning and 158.3MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * BuchiAutomizer took 10610.41ms. Allocated memory was 203.4MB in the beginning and 337.6MB in the end (delta: 134.2MB). Free memory was 158.3MB in the beginning and 218.6MB in the end (delta: -60.2MB). Peak memory consumption was 75.6MB. 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 9 terminating modules (3 trivial, 6 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + M and consists of 4 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function -1 * i + M and consists of 3 locations. One deterministic module has affine ranking function counter2 and consists of 3 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.5s and 7 iterations. TraceHistogramMax:1. Analysis of lassos took 5.8s. Construction of modules took 0.2s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 7. Automata minimization 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 2280 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.3s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [6, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 274 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 268 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 134 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 385 IncrementalHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 50 mSDtfsCounter, 385 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT3 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax339 hnf100 lsp14 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 36 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 6 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.4s InitialAbstractionConstructionTime: 2.9s - 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: 2.8s, 125 PlacesBefore, 38 PlacesAfterwards, 121 TransitionsBefore, 29 TransitionsAfterwards, 2520 CoEnabledTransitionPairs, 6 FixpointIterations, 47 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 8 ConcurrentYvCompositions, 5 ChoiceCompositions, 98 TotalNumberOfCompositions, 2390 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2370, positive: 2368, positive conditional: 0, positive unconditional: 2368, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1686, positive: 1684, positive conditional: 0, positive unconditional: 1684, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1686, positive: 1680, positive conditional: 0, positive unconditional: 1680, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2370, positive: 684, positive conditional: 0, positive unconditional: 684, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1686, unknown conditional: 0, unknown unconditional: 1686] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-07-26 13:53:47,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:47,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...