/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-noLbe.epf -i ../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:33:55,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:33:55,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:33:55,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 13:33:55,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 13:33:55,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 13:33:55,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 13:33:55,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 13:33:55,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 13:33:55,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 13:33:55,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 13:33:55,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 13:33:55,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:33:55,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:33:55,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:33:55,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:33:55,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:33:55,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:33:55,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:33:55,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:33:55,086 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:33:55,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:33:55,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:33:55,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:33:55,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:33:55,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:33:55,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-26 13:33:55,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-26 13:33:55,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-26 13:33:55,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-26 13:33:55,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-26 13:33:55,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-26 13:33:55,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-26 13:33:55,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-26 13:33:55,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:33:55,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:33:55,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:33:55,097 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2022-07-26 13:33:55,112 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:33:55,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:33:55,112 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:33:55,112 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:33:55,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:33:55,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:33:55,113 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:33:55,113 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:33:55,113 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:33:55,114 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:33:55,114 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:33:55,114 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:33:55,114 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:33:55,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:33:55,114 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:33:55,114 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:33:55,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:33:55,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:33:55,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:33:55,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:33:55,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:33:55,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:33:55,115 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:33:55,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:33:55,115 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:33:55,115 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:33:55,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:33:55,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:33:55,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:33:55,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:33:55,116 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:33:55,116 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-26 13:33:55,117 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:33:55,117 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:33:55,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:33:55,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:33:55,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:33:55,321 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:33:55,324 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:33:55,325 INFO L432 ainManager$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 13:33:55,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98250d15/87145ab0bc024abbb421eb1129567c1d/FLAG0a2031a81 [2022-07-26 13:33:55,755 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:33:55,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2022-07-26 13:33:55,759 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98250d15/87145ab0bc024abbb421eb1129567c1d/FLAG0a2031a81 [2022-07-26 13:33:55,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98250d15/87145ab0bc024abbb421eb1129567c1d [2022-07-26 13:33:55,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:33:55,774 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:33:55,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:33:55,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:33:55,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:33:55,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:33:55" (1/1) ... [2022-07-26 13:33:55,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75db9ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:33:55, skipping insertion in model container [2022-07-26 13:33:55,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:33:55" (1/1) ... [2022-07-26 13:33:55,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:33:55,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:33:55,930 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 13:33:55,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:33:55,936 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:33:55,952 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 13:33:55,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:33:55,961 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:33:55,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:33:55 WrapperNode [2022-07-26 13:33:55,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:33:55,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:33:55,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:33:55,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:33:55,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:33:55" (1/1) ... [2022-07-26 13:33:55,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:33:55" (1/1) ... [2022-07-26 13:33:55,987 INFO L137 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 118 [2022-07-26 13:33:55,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:33:55,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:33:55,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:33:55,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:33:55,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:33:55" (1/1) ... [2022-07-26 13:33:55,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:33:55" (1/1) ... [2022-07-26 13:33:55,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:33:55" (1/1) ... [2022-07-26 13:33:55,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:33:55" (1/1) ... [2022-07-26 13:33:56,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:33:55" (1/1) ... [2022-07-26 13:33:56,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:33:55" (1/1) ... [2022-07-26 13:33:56,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:33:55" (1/1) ... [2022-07-26 13:33:56,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:33:56,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:33:56,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:33:56,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:33:56,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:33:55" (1/1) ... [2022-07-26 13:33:56,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:33:56,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:33:56,040 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 13:33:56,064 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 13:33:56,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:33:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:33:56,086 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:33:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:33:56,086 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:33:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-26 13:33:56,087 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-26 13:33:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-26 13:33:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-26 13:33:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:33:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:33:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:33:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 13:33:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 13:33:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:33:56,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:33:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:33:56,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:33:56,092 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 13:33:56,154 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:33:56,155 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:33:56,361 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:33:56,400 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:33:56,400 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-26 13:33:56,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:33:56 BoogieIcfgContainer [2022-07-26 13:33:56,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:33:56,403 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:33:56,403 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:33:56,413 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:33:56,414 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:33:56,414 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:33:55" (1/3) ... [2022-07-26 13:33:56,415 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b0109c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:33:56, skipping insertion in model container [2022-07-26 13:33:56,415 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:33:56,415 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:33:55" (2/3) ... [2022-07-26 13:33:56,415 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b0109c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:33:56, skipping insertion in model container [2022-07-26 13:33:56,415 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:33:56,415 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:33:56" (3/3) ... [2022-07-26 13:33:56,420 INFO L322 chiAutomizerObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2022-07-26 13:33:56,483 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-07-26 13:33:56,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 129 transitions, 290 flow [2022-07-26 13:33:56,536 INFO L129 PetriNetUnfolder]: 9/121 cut-off events. [2022-07-26 13:33:56,536 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-26 13:33:56,545 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 13:33:56,545 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 129 transitions, 290 flow [2022-07-26 13:33:56,551 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 121 transitions, 266 flow [2022-07-26 13:33:56,564 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:33:56,564 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:33:56,564 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:33:56,564 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:33:56,565 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:33:56,565 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:33:56,565 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:33:56,565 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:33:56,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:33:58,870 INFO L131 ngComponentsAnalysis]: Automaton has 2115 accepting balls. 31835 [2022-07-26 13:33:58,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:33:58,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:33:58,877 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-26 13:33:58,877 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-26 13:33:58,878 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-26 13:33:58,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 33664 states, but on-demand construction may add more states [2022-07-26 13:33:59,744 INFO L131 ngComponentsAnalysis]: Automaton has 2115 accepting balls. 31835 [2022-07-26 13:33:59,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:33:59,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:33:59,745 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-26 13:33:59,745 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-26 13:33:59,750 INFO L733 eck$LassoCheckResult]: Stem: 132#[ULTIMATE.startENTRY]don't care [325] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 135#[L-1]don't care [257] L-1-->L-1-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] 137#[L-1-1]don't care [332] L-1-1-->L-1-2: Formula: (= (select |v_#valid_19| 0) 0) InVars {#valid=|v_#valid_19|} OutVars{#valid=|v_#valid_19|} AuxVars[] AssignedVars[] 139#[L-1-2]don't care [334] L-1-2-->L21: Formula: (< 0 |v_#StackHeapBarrier_2|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|} AuxVars[] AssignedVars[] 141#[L21]don't care [298] L21-->L21-1: Formula: (and (= (select |v_#valid_20| 1) 1) (= 2 (select |v_#length_11| 1))) InVars {#length=|v_#length_11|, #valid=|v_#valid_20|} OutVars{#length=|v_#length_11|, #valid=|v_#valid_20|} AuxVars[] AssignedVars[] 143#[L21-1]don't care [321] L21-1-->L21-2: Formula: (= 48 (select (select |v_#memory_int_13| 1) 0)) InVars {#memory_int=|v_#memory_int_13|} OutVars{#memory_int=|v_#memory_int_13|} AuxVars[] AssignedVars[] 145#[L21-2]don't care [261] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_14| 1) 1) 0) InVars {#memory_int=|v_#memory_int_14|} OutVars{#memory_int=|v_#memory_int_14|} AuxVars[] AssignedVars[] 147#[L21-3]don't care [293] L21-3-->L21-4: Formula: (and (= (select |v_#length_12| 2) 28) (= (select |v_#valid_21| 2) 1)) InVars {#length=|v_#length_12|, #valid=|v_#valid_21|} OutVars{#length=|v_#length_12|, #valid=|v_#valid_21|} AuxVars[] AssignedVars[] 149#[L21-4]don't care [275] L21-4-->L38: Formula: (= v_~M~0_6 0) InVars {} OutVars{~M~0=v_~M~0_6} AuxVars[] AssignedVars[~M~0] 151#[L38]don't care [276] L38-->L38-1: Formula: (= v_~N~0_6 0) InVars {} OutVars{~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 153#[L38-1]don't care [294] L38-1-->L38-2: Formula: (= v_~counter1~0_7 0) InVars {} OutVars{~counter1~0=v_~counter1~0_7} AuxVars[] AssignedVars[~counter1~0] 155#[L38-2]don't care [331] L38-2-->L-1-3: Formula: (= v_~counter2~0_7 0) InVars {} OutVars{~counter2~0=v_~counter2~0_7} AuxVars[] AssignedVars[~counter2~0] 157#[L-1-3]don't care [336] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 159#[L-1-4]don't care [259] L-1-4-->L-1-5: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 161#[L-1-5]don't care [235] L-1-5-->L-1-6: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 163#[L-1-6]don't care [314] L-1-6-->L83: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_4|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_3|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_4|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_5|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_5|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_5|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_4|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_2|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_5|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_2|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_4|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_3|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_5|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_2|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_3|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_3|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_2|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_6|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_6|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_3|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#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, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_~#t2~0#1.base] 165#[L83]don't care [240] L83-->L83-1: Formula: (and (= |v_ULTIMATE.start_main_~#t1~0#1.offset_6| 0) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_6| 0)) (= (store |v_#valid_23| |v_ULTIMATE.start_main_~#t1~0#1.base_6| 1) |v_#valid_22|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1~0#1.base_6| 4) |v_#length_13|) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t1~0#1.base_6|) (= (select |v_#valid_23| |v_ULTIMATE.start_main_~#t1~0#1.base_6|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_14|, #valid=|v_#valid_23|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_6|, #valid=|v_#valid_22|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 167#[L83-1]don't care [278] L83-1-->L83-2: Formula: (and (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_6| 0)) (= (select |v_#valid_25| |v_ULTIMATE.start_main_~#t2~0#1.base_6|) 0) (< |v_#StackHeapBarrier_4| |v_ULTIMATE.start_main_~#t2~0#1.base_6|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2~0#1.base_6| 4) |v_#length_15|) (= (store |v_#valid_25| |v_ULTIMATE.start_main_~#t2~0#1.base_6| 1) |v_#valid_24|) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_6|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_16|, #valid=|v_#valid_25|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_6|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|, #valid=|v_#valid_24|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 169#[L83-2]don't care [316] L83-2-->L83-3: Formula: (and (= |v_ULTIMATE.start_main_~#t3~0#1.offset_6| 0) (< |v_#StackHeapBarrier_5| |v_ULTIMATE.start_main_~#t3~0#1.base_6|) (not (= |v_ULTIMATE.start_main_~#t3~0#1.base_6| 0)) (= |v_#valid_26| (store |v_#valid_27| |v_ULTIMATE.start_main_~#t3~0#1.base_6| 1)) (= (select |v_#valid_27| |v_ULTIMATE.start_main_~#t3~0#1.base_6|) 0) (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t3~0#1.base_6| 4) |v_#length_17|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_18|, #valid=|v_#valid_27|} OutVars{ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_17|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_6|, #valid=|v_#valid_26|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t3~0#1.offset, #valid, ULTIMATE.start_main_~#t3~0#1.base, #length] 171#[L83-3]don't care [320] L83-3-->L83-4: Formula: (and (< |v_#StackHeapBarrier_1| |v_ULTIMATE.start_main_~#t4~0#1.base_1|) (not (= |v_ULTIMATE.start_main_~#t4~0#1.base_1| 0)) (= (store |v_#length_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1| 4) |v_#length_1|) (= |v_ULTIMATE.start_main_~#t4~0#1.offset_1| 0) (= (select |v_#valid_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1|) 0) (= (store |v_#valid_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1| 1) |v_#valid_1|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_2|, #valid=|v_#valid_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_1|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base] 173#[L83-4]don't care [277] L83-4-->L85: Formula: (= |v_ULTIMATE.start_main_#t~nondet9#1_1| v_~M~0_5) InVars {ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|} OutVars{~M~0=v_~M~0_5, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|} AuxVars[] AssignedVars[~M~0] 175#[L85]don't care [254] L85-->L86: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1] 177#[L86]don't care [219] L86-->L86-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet10#1_1| v_~N~0_5) InVars {ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 179#[L86-1]don't care [286] L86-1-->L89: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 181#[L89]don't care [283] L89-->L89-1: Formula: (= |v_ULTIMATE.start_main_#t~pre11#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_1|, #pthreadsForks=|v_#pthreadsForks_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 183#[L89-1]don't care [265] L89-1-->L89-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 185#[L89-2]don't care [291] L89-2-->L89-3: Formula: (and (= (store |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| (store (select |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) |v_ULTIMATE.start_main_~#t1~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre11#1_2|)) |v_#memory_int_1|) (= (select |v_#valid_3| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 1) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_1|) (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 4) (select |v_#length_3| |v_ULTIMATE.start_main_~#t1~0#1.base_1|))) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_3|, #memory_int=|v_#memory_int_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_3|, #memory_int=|v_#memory_int_1|, #length=|v_#length_3|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} AuxVars[] AssignedVars[#memory_int] 187#[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] 189#[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] 191#[L41-4, L89-4]don't care [2022-07-26 13:33:59,750 INFO L735 eck$LassoCheckResult]: Loop: 191#[L41-4, L89-4]don't care [343] L41-4-->L42: Formula: (< v_thread1Thread1of1ForFork1_~i~0_5 v_~M~0_2) InVars {~M~0=v_~M~0_2, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_5} OutVars{~M~0=v_~M~0_2, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_5} AuxVars[] AssignedVars[] 197#[L42, L89-4]don't care [345] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post2, ~counter1~0] 207#[L89-4, L44]don't care [347] L44-->L41-2: Formula: (= |v_thread1Thread1of1ForFork1_#t~post1_1| v_thread1Thread1of1ForFork1_~i~0_7) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_7} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_7, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_1|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1] 221#[L89-4, L41-2]don't care [348] L41-2-->L41-3: Formula: (= v_thread1Thread1of1ForFork1_~i~0_9 (+ |v_thread1Thread1of1ForFork1_#t~post1_3| 1)) InVars {thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_3|} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_9, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_3|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 237#[L41-3, L89-4]don't care [349] L41-3-->L41-4: Formula: true InVars {} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_5|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1] 191#[L41-4, L89-4]don't care [2022-07-26 13:33:59,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:33:59,754 INFO L85 PathProgramCache]: Analyzing trace with hash 2061309396, now seen corresponding path program 1 times [2022-07-26 13:33:59,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:33:59,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304473074] [2022-07-26 13:33:59,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:33:59,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:33:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:33:59,852 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:33:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:33:59,887 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:33:59,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:33:59,889 INFO L85 PathProgramCache]: Analyzing trace with hash 356019353, now seen corresponding path program 1 times [2022-07-26 13:33:59,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:33:59,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078026947] [2022-07-26 13:33:59,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:33:59,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:33:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:33:59,895 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:33:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:33:59,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:33:59,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:33:59,900 INFO L85 PathProgramCache]: Analyzing trace with hash 441385638, now seen corresponding path program 1 times [2022-07-26 13:33:59,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:33:59,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928249762] [2022-07-26 13:33:59,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:33:59,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:33:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:33:59,921 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:33:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:33:59,941 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:33:59,984 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:33:59,984 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:33:59,984 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:33:59,985 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:33:59,985 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:33:59,985 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:33:59,985 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:33:59,985 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:33:59,985 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration1_Loop [2022-07-26 13:33:59,985 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:33:59,985 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:33:59,995 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 13:34:00,000 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 13:34:00,005 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 13:34:00,007 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 13:34:00,010 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 13:34:00,012 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 13:34:00,014 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 13:34:00,016 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 13:34:00,018 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 13:34:00,021 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 13:34:00,023 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 13:34:00,024 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 13:34:00,097 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:34:00,097 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:34:00,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:00,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:34:00,100 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 13:34:00,105 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 13:34:00,108 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:34:00,108 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:34:00,123 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:34:00,123 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 13:34:00,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-26 13:34:00,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:00,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:34:00,142 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 13:34:00,143 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 13:34:00,146 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:34:00,146 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:34:00,169 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 13:34:00,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:00,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:34:00,180 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 13:34:00,181 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 13:34:00,183 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:34:00,183 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:34:00,295 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:34:00,299 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 13:34:00,300 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:34:00,300 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:34:00,300 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:34:00,300 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:34:00,300 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:34:00,300 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:00,300 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:34:00,300 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:34:00,300 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration1_Loop [2022-07-26 13:34:00,300 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:34:00,300 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:34:00,302 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 13:34:00,317 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 13:34:00,320 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 13:34:00,322 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 13:34:00,324 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 13:34:00,326 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 13:34:00,328 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 13:34:00,330 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 13:34:00,333 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 13:34:00,335 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 13:34:00,337 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 13:34:00,339 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 13:34:00,411 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:34:00,414 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:34:00,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:00,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:34:00,416 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 13:34:00,417 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 13:34:00,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:34:00,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:34:00,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:34:00,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:34:00,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:34:00,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:34:00,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:34:00,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:34:00,443 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:34:00,446 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:34:00,446 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 13:34:00,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:00,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:34:00,448 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 13:34:00,450 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 13:34:00,485 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:34:00,485 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:34:00,486 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:34:00,486 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~M~0, thread1Thread1of1ForFork1_~i~0) = 1*~M~0 - 1*thread1Thread1of1ForFork1_~i~0 Supporting invariants [] [2022-07-26 13:34:00,502 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 13:34:00,505 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:34:00,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:34:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:34:00,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:34:00,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:34:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:34:00,633 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-26 13:34:00,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:34:00,719 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 13:34:00,757 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-07-26 13:34:00,760 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 33664 states, but on-demand construction may add more states Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 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 13:34:01,326 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 13:34:02,974 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 33664 states, but on-demand construction may add more states. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 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 112459 states and 578062 transitions. Complement of second has 9 states. [2022-07-26 13:34:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-26 13:34:03,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 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 13:34:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 410 transitions. [2022-07-26 13:34:03,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 410 transitions. Stem has 29 letters. Loop has 5 letters. [2022-07-26 13:34:03,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:34:03,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 410 transitions. Stem has 34 letters. Loop has 5 letters. [2022-07-26 13:34:03,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:34:03,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 410 transitions. Stem has 29 letters. Loop has 10 letters. [2022-07-26 13:34:03,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:34:03,020 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112459 states and 578062 transitions. [2022-07-26 13:34:05,349 INFO L131 ngComponentsAnalysis]: Automaton has 2949 accepting balls. 29925 [2022-07-26 13:34:06,763 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112459 states to 69443 states and 352511 transitions. [2022-07-26 13:34:06,764 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35905 [2022-07-26 13:34:06,970 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49320 [2022-07-26 13:34:06,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69443 states and 352511 transitions. [2022-07-26 13:34:06,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:34:06,971 INFO L220 hiAutomatonCegarLoop]: Abstraction has 69443 states and 352511 transitions. [2022-07-26 13:34:07,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69443 states and 352511 transitions. [2022-07-26 13:34:09,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69443 to 56030. [2022-07-26 13:34:09,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56030 states, 56030 states have (on average 5.1283241120828125) internal successors, (287340), 56029 states have internal predecessors, (287340), 0 states have call successors, (0), 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 13:34:09,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56030 states to 56030 states and 287340 transitions. [2022-07-26 13:34:09,817 INFO L242 hiAutomatonCegarLoop]: Abstraction has 56030 states and 287340 transitions. [2022-07-26 13:34:09,817 INFO L426 stractBuchiCegarLoop]: Abstraction has 56030 states and 287340 transitions. [2022-07-26 13:34:09,817 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-26 13:34:09,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56030 states and 287340 transitions. [2022-07-26 13:34:10,587 INFO L131 ngComponentsAnalysis]: Automaton has 2949 accepting balls. 29925 [2022-07-26 13:34:10,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:34:10,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:34:10,589 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-26 13:34:10,589 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-26 13:34:10,590 INFO L733 eck$LassoCheckResult]: Stem: 287813#[ULTIMATE.startENTRY]don't care [325] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 285959#[L-1]don't care [257] L-1-->L-1-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] 187769#[L-1-1]don't care [332] L-1-1-->L-1-2: Formula: (= (select |v_#valid_19| 0) 0) InVars {#valid=|v_#valid_19|} OutVars{#valid=|v_#valid_19|} AuxVars[] AssignedVars[] 187771#[L-1-2]don't care [334] L-1-2-->L21: Formula: (< 0 |v_#StackHeapBarrier_2|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|} AuxVars[] AssignedVars[] 206789#[L21]don't care [298] L21-->L21-1: Formula: (and (= (select |v_#valid_20| 1) 1) (= 2 (select |v_#length_11| 1))) InVars {#length=|v_#length_11|, #valid=|v_#valid_20|} OutVars{#length=|v_#length_11|, #valid=|v_#valid_20|} AuxVars[] AssignedVars[] 206791#[L21-1]don't care [321] L21-1-->L21-2: Formula: (= 48 (select (select |v_#memory_int_13| 1) 0)) InVars {#memory_int=|v_#memory_int_13|} OutVars{#memory_int=|v_#memory_int_13|} AuxVars[] AssignedVars[] 286187#[L21-2]don't care [261] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_14| 1) 1) 0) InVars {#memory_int=|v_#memory_int_14|} OutVars{#memory_int=|v_#memory_int_14|} AuxVars[] AssignedVars[] 251247#[L21-3]don't care [293] L21-3-->L21-4: Formula: (and (= (select |v_#length_12| 2) 28) (= (select |v_#valid_21| 2) 1)) InVars {#length=|v_#length_12|, #valid=|v_#valid_21|} OutVars{#length=|v_#length_12|, #valid=|v_#valid_21|} AuxVars[] AssignedVars[] 251249#[L21-4]don't care [275] L21-4-->L38: Formula: (= v_~M~0_6 0) InVars {} OutVars{~M~0=v_~M~0_6} AuxVars[] AssignedVars[~M~0] 282345#[L38]don't care [276] L38-->L38-1: Formula: (= v_~N~0_6 0) InVars {} OutVars{~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 282347#[L38-1]don't care [294] L38-1-->L38-2: Formula: (= v_~counter1~0_7 0) InVars {} OutVars{~counter1~0=v_~counter1~0_7} AuxVars[] AssignedVars[~counter1~0] 285903#[L38-2]don't care [331] L38-2-->L-1-3: Formula: (= v_~counter2~0_7 0) InVars {} OutVars{~counter2~0=v_~counter2~0_7} AuxVars[] AssignedVars[~counter2~0] 282769#[L-1-3]don't care [336] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 282771#[L-1-4]don't care [259] L-1-4-->L-1-5: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 229131#[L-1-5]don't care [235] L-1-5-->L-1-6: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 211823#[L-1-6]don't care [314] L-1-6-->L83: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_4|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_3|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_4|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_5|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_5|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_5|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_4|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_2|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_5|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_2|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_4|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_3|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_5|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_2|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_3|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_3|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_2|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_6|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_6|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_3|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#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, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_~#t2~0#1.base] 211825#[L83]don't care [240] L83-->L83-1: Formula: (and (= |v_ULTIMATE.start_main_~#t1~0#1.offset_6| 0) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_6| 0)) (= (store |v_#valid_23| |v_ULTIMATE.start_main_~#t1~0#1.base_6| 1) |v_#valid_22|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1~0#1.base_6| 4) |v_#length_13|) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t1~0#1.base_6|) (= (select |v_#valid_23| |v_ULTIMATE.start_main_~#t1~0#1.base_6|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_14|, #valid=|v_#valid_23|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_6|, #valid=|v_#valid_22|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 250107#[L83-1]don't care [278] L83-1-->L83-2: Formula: (and (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_6| 0)) (= (select |v_#valid_25| |v_ULTIMATE.start_main_~#t2~0#1.base_6|) 0) (< |v_#StackHeapBarrier_4| |v_ULTIMATE.start_main_~#t2~0#1.base_6|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2~0#1.base_6| 4) |v_#length_15|) (= (store |v_#valid_25| |v_ULTIMATE.start_main_~#t2~0#1.base_6| 1) |v_#valid_24|) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_6|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_16|, #valid=|v_#valid_25|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_6|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|, #valid=|v_#valid_24|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 283223#[L83-2]don't care [316] L83-2-->L83-3: Formula: (and (= |v_ULTIMATE.start_main_~#t3~0#1.offset_6| 0) (< |v_#StackHeapBarrier_5| |v_ULTIMATE.start_main_~#t3~0#1.base_6|) (not (= |v_ULTIMATE.start_main_~#t3~0#1.base_6| 0)) (= |v_#valid_26| (store |v_#valid_27| |v_ULTIMATE.start_main_~#t3~0#1.base_6| 1)) (= (select |v_#valid_27| |v_ULTIMATE.start_main_~#t3~0#1.base_6|) 0) (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t3~0#1.base_6| 4) |v_#length_17|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_18|, #valid=|v_#valid_27|} OutVars{ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_17|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_6|, #valid=|v_#valid_26|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t3~0#1.offset, #valid, ULTIMATE.start_main_~#t3~0#1.base, #length] 283225#[L83-3]don't care [320] L83-3-->L83-4: Formula: (and (< |v_#StackHeapBarrier_1| |v_ULTIMATE.start_main_~#t4~0#1.base_1|) (not (= |v_ULTIMATE.start_main_~#t4~0#1.base_1| 0)) (= (store |v_#length_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1| 4) |v_#length_1|) (= |v_ULTIMATE.start_main_~#t4~0#1.offset_1| 0) (= (select |v_#valid_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1|) 0) (= (store |v_#valid_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1| 1) |v_#valid_1|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_2|, #valid=|v_#valid_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_1|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base] 255549#[L83-4]don't care [277] L83-4-->L85: Formula: (= |v_ULTIMATE.start_main_#t~nondet9#1_1| v_~M~0_5) InVars {ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|} OutVars{~M~0=v_~M~0_5, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|} AuxVars[] AssignedVars[~M~0] 255551#[L85]don't care [254] L85-->L86: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1] 283709#[L86]don't care [219] L86-->L86-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet10#1_1| v_~N~0_5) InVars {ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 287985#[L86-1]don't care [286] L86-1-->L89: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 268105#[L89]don't care [283] L89-->L89-1: Formula: (= |v_ULTIMATE.start_main_#t~pre11#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_1|, #pthreadsForks=|v_#pthreadsForks_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 268107#[L89-1]don't care [265] L89-1-->L89-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 287257#[L89-2]don't care [291] L89-2-->L89-3: Formula: (and (= (store |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| (store (select |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) |v_ULTIMATE.start_main_~#t1~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre11#1_2|)) |v_#memory_int_1|) (= (select |v_#valid_3| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 1) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_1|) (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 4) (select |v_#length_3| |v_ULTIMATE.start_main_~#t1~0#1.base_1|))) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_3|, #memory_int=|v_#memory_int_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_3|, #memory_int=|v_#memory_int_1|, #length=|v_#length_3|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} AuxVars[] AssignedVars[#memory_int] 274015#[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] 243169#[L89-4, thread1ENTRY]don't care [317] L89-4-->L89-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 243173#[L89-5, thread1ENTRY]don't care [330] L89-5-->L90: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet12#1] 289537#[thread1ENTRY, L90]don't care [329] L90-->L90-1: Formula: (= |v_ULTIMATE.start_main_#t~pre13#1_1| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1] 223259#[L90-1, thread1ENTRY]don't care [241] L90-1-->L90-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] 223261#[L90-2, thread1ENTRY]don't care [247] L90-2-->L90-3: Formula: (and (= (select |v_#valid_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) 1) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) |v_ULTIMATE.start_main_~#t2~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre13#1_2|)) |v_#memory_int_3|) (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|) (select |v_#length_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|)) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_4|, #memory_int=|v_#memory_int_4|, #length=|v_#length_4|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_4|, #memory_int=|v_#memory_int_3|, #length=|v_#length_4|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} AuxVars[] AssignedVars[#memory_int] 285027#[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] 282695#[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] 262401#[L90-4, thread1ENTRY, L51-4]don't care [2022-07-26 13:34:10,590 INFO L735 eck$LassoCheckResult]: Loop: 262401#[L90-4, thread1ENTRY, L51-4]don't care [353] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork3_~i~1#1_5| v_~N~0_2) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_2} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_2} AuxVars[] AssignedVars[] 201695#[L90-4, thread1ENTRY, L52]don't care [355] L52-->L55: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1| |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|) (= v_~counter1~0_39 (+ v_~counter1~0_38 1)) (= (ite (< 0 v_~counter1~0_39) 1 0) |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1| 0))) InVars {~counter1~0=v_~counter1~0_39} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~counter1~0=v_~counter1~0_38} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 201697#[L90-4, thread1ENTRY, L55]don't care [357] L55-->L51-2: Formula: (= |v_thread2Thread1of1ForFork3_#t~post3#1_1| |v_thread2Thread1of1ForFork3_~i~1#1_7|) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_7|} OutVars{thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_1|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_7|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post3#1] 263215#[L90-4, thread1ENTRY, L51-2]don't care [358] L51-2-->L51-3: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_9| (+ |v_thread2Thread1of1ForFork3_#t~post3#1_3| 1)) InVars {thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_3|} OutVars{thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_3|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 262397#[L90-4, thread1ENTRY, L51-3]don't care [359] L51-3-->L51-4: Formula: true InVars {} OutVars{thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_5|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post3#1] 262401#[L90-4, thread1ENTRY, L51-4]don't care [2022-07-26 13:34:10,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:34:10,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1470096153, now seen corresponding path program 1 times [2022-07-26 13:34:10,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:34:10,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803616371] [2022-07-26 13:34:10,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:34:10,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:34:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:34:10,630 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:34:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:34:10,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:34:10,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:34:10,651 INFO L85 PathProgramCache]: Analyzing trace with hash 365562403, now seen corresponding path program 1 times [2022-07-26 13:34:10,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:34:10,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815890877] [2022-07-26 13:34:10,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:34:10,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:34:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:34:10,658 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:34:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:34:10,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:34:10,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:34:10,665 INFO L85 PathProgramCache]: Analyzing trace with hash 781473291, now seen corresponding path program 1 times [2022-07-26 13:34:10,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:34:10,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674649025] [2022-07-26 13:34:10,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:34:10,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:34:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:34:10,736 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 13:34:10,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-26 13:34:10,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674649025] [2022-07-26 13:34:10,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674649025] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-26 13:34:10,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-26 13:34:10,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-26 13:34:10,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584081995] [2022-07-26 13:34:10,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-26 13:34:10,792 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:34:10,792 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:34:10,792 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:34:10,792 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:34:10,792 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:34:10,792 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:10,792 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:34:10,793 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:34:10,793 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration2_Loop [2022-07-26 13:34:10,793 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:34:10,793 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:34:10,796 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 13:34:10,800 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 13:34:10,803 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 13:34:10,804 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 13:34:10,806 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 13:34:10,808 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 13:34:10,809 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 13:34:10,811 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 13:34:10,814 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 13:34:10,815 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 13:34:10,817 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 13:34:10,820 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 13:34:10,822 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 13:34:10,927 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:34:10,927 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:34:10,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:10,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:34:10,929 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 13:34:10,933 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:34:10,933 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:34:10,942 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 13:34:10,967 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 13:34:10,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:10,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:34:10,969 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 13:34:10,972 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 13:34:10,973 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:34:10,973 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:34:11,083 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:34:11,086 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 13:34:11,086 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:34:11,086 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:34:11,087 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:34:11,087 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:34:11,087 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:34:11,087 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:11,087 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:34:11,087 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:34:11,087 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration2_Loop [2022-07-26 13:34:11,087 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:34:11,087 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:34:11,088 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 13:34:11,101 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 13:34:11,108 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 13:34:11,110 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 13:34:11,112 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 13:34:11,114 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 13:34:11,116 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 13:34:11,121 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 13:34:11,124 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 13:34:11,125 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 13:34:11,127 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 13:34:11,130 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 13:34:11,132 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 13:34:11,206 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:34:11,206 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:34:11,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:11,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:34:11,208 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 13:34:11,209 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 13:34:11,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 13:34:11,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:34:11,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:34:11,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:34:11,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:34:11,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:34:11,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:34:11,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:34:11,257 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 13:34:11,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:11,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:34:11,259 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 13:34:11,260 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 13:34:11,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 13:34:11,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:34:11,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:34:11,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:34:11,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:34:11,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:34:11,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:34:11,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:34:11,283 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:34:11,297 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-26 13:34:11,297 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 13:34:11,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:11,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:34:11,311 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 13:34:11,312 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 13:34:11,313 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:34:11,313 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:34:11,313 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:34:11,313 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread2Thread1of1ForFork3_~i~1#1) = 1*~N~0 - 1*thread2Thread1of1ForFork3_~i~1#1 Supporting invariants [] [2022-07-26 13:34:11,332 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 13:34:11,333 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:34:11,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:34:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:34:11,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:34:11,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:34:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:34:11,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-26 13:34:11,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:34:11,466 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 13:34:11,467 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-07-26 13:34:11,467 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56030 states and 287340 transitions. cyclomatic complexity: 234837 Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 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 13:34:11,825 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 13:34:14,112 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56030 states and 287340 transitions. cyclomatic complexity: 234837. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 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 162228 states and 892936 transitions. Complement of second has 8 states. [2022-07-26 13:34:14,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-26 13:34:14,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 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 13:34:14,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 277 transitions. [2022-07-26 13:34:14,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 277 transitions. Stem has 35 letters. Loop has 5 letters. [2022-07-26 13:34:14,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:34:14,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 277 transitions. Stem has 40 letters. Loop has 5 letters. [2022-07-26 13:34:14,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:34:14,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 277 transitions. Stem has 35 letters. Loop has 10 letters. [2022-07-26 13:34:14,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:34:14,115 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162228 states and 892936 transitions. [2022-07-26 13:34:17,608 INFO L131 ngComponentsAnalysis]: Automaton has 3675 accepting balls. 25455 [2022-07-26 13:34:19,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162228 states to 125418 states and 691963 transitions. [2022-07-26 13:34:19,836 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40755 [2022-07-26 13:34:20,376 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54145 [2022-07-26 13:34:20,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125418 states and 691963 transitions. [2022-07-26 13:34:20,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:34:20,377 INFO L220 hiAutomatonCegarLoop]: Abstraction has 125418 states and 691963 transitions. [2022-07-26 13:34:20,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125418 states and 691963 transitions. [2022-07-26 13:34:23,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125418 to 108203. [2022-07-26 13:34:24,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108203 states, 108203 states have (on average 5.6184301729157236) internal successors, (607931), 108202 states have internal predecessors, (607931), 0 states have call successors, (0), 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 13:34:25,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108203 states to 108203 states and 607931 transitions. [2022-07-26 13:34:25,730 INFO L242 hiAutomatonCegarLoop]: Abstraction has 108203 states and 607931 transitions. [2022-07-26 13:34:25,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-26 13:34:25,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-26 13:34:25,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-26 13:34:25,735 INFO L87 Difference]: Start difference. First operand 108203 states and 607931 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 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 13:34:27,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-26 13:34:27,716 INFO L93 Difference]: Finished difference Result 128860 states and 693788 transitions. [2022-07-26 13:34:27,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 128860 states and 693788 transitions. [2022-07-26 13:34:31,061 INFO L131 ngComponentsAnalysis]: Automaton has 5001 accepting balls. 34665 [2022-07-26 13:34:33,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 128860 states to 126340 states and 677343 transitions. [2022-07-26 13:34:33,930 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52623 [2022-07-26 13:34:34,128 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52623 [2022-07-26 13:34:34,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126340 states and 677343 transitions. [2022-07-26 13:34:34,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:34:34,129 INFO L220 hiAutomatonCegarLoop]: Abstraction has 126340 states and 677343 transitions. [2022-07-26 13:34:34,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126340 states and 677343 transitions. [2022-07-26 13:34:37,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126340 to 116890. [2022-07-26 13:34:38,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116890 states, 116890 states have (on average 5.4452476687483955) internal successors, (636495), 116889 states have internal predecessors, (636495), 0 states have call successors, (0), 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 13:34:39,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116890 states to 116890 states and 636495 transitions. [2022-07-26 13:34:39,205 INFO L242 hiAutomatonCegarLoop]: Abstraction has 116890 states and 636495 transitions. [2022-07-26 13:34:39,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-26 13:34:39,206 INFO L426 stractBuchiCegarLoop]: Abstraction has 116890 states and 636495 transitions. [2022-07-26 13:34:39,206 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-26 13:34:39,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116890 states and 636495 transitions. [2022-07-26 13:34:40,640 INFO L131 ngComponentsAnalysis]: Automaton has 4260 accepting balls. 29520 [2022-07-26 13:34:40,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:34:40,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:34:40,643 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-26 13:34:40,643 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-26 13:34:40,644 INFO L733 eck$LassoCheckResult]: Stem: 951982#[ULTIMATE.startENTRY]don't care [325] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 945214#[L-1]don't care [257] L-1-->L-1-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] 807782#[L-1-1]don't care [332] L-1-1-->L-1-2: Formula: (= (select |v_#valid_19| 0) 0) InVars {#valid=|v_#valid_19|} OutVars{#valid=|v_#valid_19|} AuxVars[] AssignedVars[] 807784#[L-1-2]don't care [334] L-1-2-->L21: Formula: (< 0 |v_#StackHeapBarrier_2|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|} AuxVars[] AssignedVars[] 827962#[L21]don't care [298] L21-->L21-1: Formula: (and (= (select |v_#valid_20| 1) 1) (= 2 (select |v_#length_11| 1))) InVars {#length=|v_#length_11|, #valid=|v_#valid_20|} OutVars{#length=|v_#length_11|, #valid=|v_#valid_20|} AuxVars[] AssignedVars[] 827964#[L21-1]don't care [321] L21-1-->L21-2: Formula: (= 48 (select (select |v_#memory_int_13| 1) 0)) InVars {#memory_int=|v_#memory_int_13|} OutVars{#memory_int=|v_#memory_int_13|} AuxVars[] AssignedVars[] 945992#[L21-2]don't care [261] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_14| 1) 1) 0) InVars {#memory_int=|v_#memory_int_14|} OutVars{#memory_int=|v_#memory_int_14|} AuxVars[] AssignedVars[] 881310#[L21-3]don't care [293] L21-3-->L21-4: Formula: (and (= (select |v_#length_12| 2) 28) (= (select |v_#valid_21| 2) 1)) InVars {#length=|v_#length_12|, #valid=|v_#valid_21|} OutVars{#length=|v_#length_12|, #valid=|v_#valid_21|} AuxVars[] AssignedVars[] 881312#[L21-4]don't care [275] L21-4-->L38: Formula: (= v_~M~0_6 0) InVars {} OutVars{~M~0=v_~M~0_6} AuxVars[] AssignedVars[~M~0] 934796#[L38]don't care [276] L38-->L38-1: Formula: (= v_~N~0_6 0) InVars {} OutVars{~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 934798#[L38-1]don't care [294] L38-1-->L38-2: Formula: (= v_~counter1~0_7 0) InVars {} OutVars{~counter1~0=v_~counter1~0_7} AuxVars[] AssignedVars[~counter1~0] 945050#[L38-2]don't care [331] L38-2-->L-1-3: Formula: (= v_~counter2~0_7 0) InVars {} OutVars{~counter2~0=v_~counter2~0_7} AuxVars[] AssignedVars[~counter2~0] 935928#[L-1-3]don't care [336] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 935930#[L-1-4]don't care [259] L-1-4-->L-1-5: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 853116#[L-1-5]don't care [235] L-1-5-->L-1-6: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 833356#[L-1-6]don't care [314] L-1-6-->L83: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_4|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_3|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_4|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_5|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_5|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_5|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_4|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_2|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_5|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_2|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_4|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_3|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_5|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_2|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_3|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_3|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_2|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_6|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_6|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_3|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#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, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_~#t2~0#1.base] 833358#[L83]don't care [240] L83-->L83-1: Formula: (and (= |v_ULTIMATE.start_main_~#t1~0#1.offset_6| 0) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_6| 0)) (= (store |v_#valid_23| |v_ULTIMATE.start_main_~#t1~0#1.base_6| 1) |v_#valid_22|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1~0#1.base_6| 4) |v_#length_13|) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t1~0#1.base_6|) (= (select |v_#valid_23| |v_ULTIMATE.start_main_~#t1~0#1.base_6|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_14|, #valid=|v_#valid_23|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_6|, #valid=|v_#valid_22|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 879662#[L83-1]don't care [278] L83-1-->L83-2: Formula: (and (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_6| 0)) (= (select |v_#valid_25| |v_ULTIMATE.start_main_~#t2~0#1.base_6|) 0) (< |v_#StackHeapBarrier_4| |v_ULTIMATE.start_main_~#t2~0#1.base_6|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2~0#1.base_6| 4) |v_#length_15|) (= (store |v_#valid_25| |v_ULTIMATE.start_main_~#t2~0#1.base_6| 1) |v_#valid_24|) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_6|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_16|, #valid=|v_#valid_25|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_6|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|, #valid=|v_#valid_24|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 937102#[L83-2]don't care [316] L83-2-->L83-3: Formula: (and (= |v_ULTIMATE.start_main_~#t3~0#1.offset_6| 0) (< |v_#StackHeapBarrier_5| |v_ULTIMATE.start_main_~#t3~0#1.base_6|) (not (= |v_ULTIMATE.start_main_~#t3~0#1.base_6| 0)) (= |v_#valid_26| (store |v_#valid_27| |v_ULTIMATE.start_main_~#t3~0#1.base_6| 1)) (= (select |v_#valid_27| |v_ULTIMATE.start_main_~#t3~0#1.base_6|) 0) (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t3~0#1.base_6| 4) |v_#length_17|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_18|, #valid=|v_#valid_27|} OutVars{ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_17|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_6|, #valid=|v_#valid_26|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t3~0#1.offset, #valid, ULTIMATE.start_main_~#t3~0#1.base, #length] 937104#[L83-3]don't care [320] L83-3-->L83-4: Formula: (and (< |v_#StackHeapBarrier_1| |v_ULTIMATE.start_main_~#t4~0#1.base_1|) (not (= |v_ULTIMATE.start_main_~#t4~0#1.base_1| 0)) (= (store |v_#length_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1| 4) |v_#length_1|) (= |v_ULTIMATE.start_main_~#t4~0#1.offset_1| 0) (= (select |v_#valid_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1|) 0) (= (store |v_#valid_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1| 1) |v_#valid_1|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_2|, #valid=|v_#valid_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_1|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base] 887572#[L83-4]don't care [277] L83-4-->L85: Formula: (= |v_ULTIMATE.start_main_#t~nondet9#1_1| v_~M~0_5) InVars {ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|} OutVars{~M~0=v_~M~0_5, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|} AuxVars[] AssignedVars[~M~0] 887574#[L85]don't care [254] L85-->L86: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1] 938470#[L86]don't care [219] L86-->L86-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet10#1_1| v_~N~0_5) InVars {ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 952692#[L86-1]don't care [286] L86-1-->L89: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 906568#[L89]don't care [283] L89-->L89-1: Formula: (= |v_ULTIMATE.start_main_#t~pre11#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_1|, #pthreadsForks=|v_#pthreadsForks_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 906570#[L89-1]don't care [265] L89-1-->L89-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 949666#[L89-2]don't care [291] L89-2-->L89-3: Formula: (and (= (store |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| (store (select |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) |v_ULTIMATE.start_main_~#t1~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre11#1_2|)) |v_#memory_int_1|) (= (select |v_#valid_3| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 1) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_1|) (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 4) (select |v_#length_3| |v_ULTIMATE.start_main_~#t1~0#1.base_1|))) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_3|, #memory_int=|v_#memory_int_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_3|, #memory_int=|v_#memory_int_1|, #length=|v_#length_3|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} AuxVars[] AssignedVars[#memory_int] 916964#[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] 870618#[L89-4, thread1ENTRY]don't care [317] L89-4-->L89-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 870622#[L89-5, thread1ENTRY]don't care [330] L89-5-->L90: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet12#1] 959358#[thread1ENTRY, L90]don't care [329] L90-->L90-1: Formula: (= |v_ULTIMATE.start_main_#t~pre13#1_1| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1] 846280#[L90-1, thread1ENTRY]don't care [241] L90-1-->L90-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] 846282#[L90-2, thread1ENTRY]don't care [247] L90-2-->L90-3: Formula: (and (= (select |v_#valid_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) 1) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) |v_ULTIMATE.start_main_~#t2~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre13#1_2|)) |v_#memory_int_3|) (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|) (select |v_#length_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|)) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_4|, #memory_int=|v_#memory_int_4|, #length=|v_#length_4|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_4|, #memory_int=|v_#memory_int_3|, #length=|v_#length_4|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} AuxVars[] AssignedVars[#memory_int] 942162#[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] 935786#[thread2ENTRY, L90-4, thread1ENTRY]don't care [319] L90-4-->L90-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1] 905190#[L90-5, thread2ENTRY, thread1ENTRY]don't care [252] L90-5-->L91: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet14#1] 905194#[thread2ENTRY, thread1ENTRY, L91]don't care [242] L91-->L91-1: Formula: (= |v_ULTIMATE.start_main_#t~pre15#1_1| |v_#pthreadsForks_7|) InVars {#pthreadsForks=|v_#pthreadsForks_7|} OutVars{#pthreadsForks=|v_#pthreadsForks_7|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre15#1] 961490#[thread2ENTRY, thread1ENTRY, L91-1]don't care [253] L91-1-->L91-2: Formula: (= (+ 1 |v_#pthreadsForks_9|) |v_#pthreadsForks_8|) InVars {#pthreadsForks=|v_#pthreadsForks_9|} OutVars{#pthreadsForks=|v_#pthreadsForks_8|} AuxVars[] AssignedVars[#pthreadsForks] 917146#[thread2ENTRY, L91-2, thread1ENTRY]don't care [281] L91-2-->L91-3: Formula: (and (<= (+ 4 |v_ULTIMATE.start_main_~#t3~0#1.offset_1|) (select |v_#length_5| |v_ULTIMATE.start_main_~#t3~0#1.base_1|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_1|) (= (select |v_#valid_5| |v_ULTIMATE.start_main_~#t3~0#1.base_1|) 1) (= (store |v_#memory_int_6| |v_ULTIMATE.start_main_~#t3~0#1.base_1| (store (select |v_#memory_int_6| |v_ULTIMATE.start_main_~#t3~0#1.base_1|) |v_ULTIMATE.start_main_~#t3~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre15#1_2|)) |v_#memory_int_5|)) InVars {ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_1|, #valid=|v_#valid_5|, #memory_int=|v_#memory_int_6|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_1|, #length=|v_#length_5|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_2|} OutVars{ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_1|, #valid=|v_#valid_5|, #memory_int=|v_#memory_int_5|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_1|, #length=|v_#length_5|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_2|} AuxVars[] AssignedVars[#memory_int] 917150#[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] 924586#[L91-4, thread1ENTRY, thread2ENTRY, thread3ENTRY]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] 946120#[L91-4, thread1ENTRY, thread2ENTRY, L62-4]don't care [2022-07-26 13:34:40,644 INFO L735 eck$LassoCheckResult]: Loop: 946120#[L91-4, thread1ENTRY, thread2ENTRY, L62-4]don't care [363] L62-4-->L63: Formula: (< v_thread3Thread1of1ForFork0_~i~2_5 v_~M~0_4) InVars {~M~0=v_~M~0_4, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_5} OutVars{~M~0=v_~M~0_4, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_5} AuxVars[] AssignedVars[] 940148#[L91-4, thread1ENTRY, thread2ENTRY, L63]don't care [365] L63-->L65: Formula: (= v_~counter2~0_14 (+ v_~counter2~0_15 1)) InVars {~counter2~0=v_~counter2~0_15} OutVars{~counter2~0=v_~counter2~0_14, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_1|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_#t~post6] 940152#[L91-4, thread1ENTRY, thread2ENTRY, L65]don't care [367] L65-->L62-2: Formula: (= v_thread3Thread1of1ForFork0_~i~2_7 |v_thread3Thread1of1ForFork0_#t~post5_1|) InVars {thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_7} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_7, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~post5] 943992#[L91-4, thread1ENTRY, thread2ENTRY, L62-2]don't care [368] L62-2-->L62-3: Formula: (= v_thread3Thread1of1ForFork0_~i~2_9 (+ |v_thread3Thread1of1ForFork0_#t~post5_3| 1)) InVars {thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_3|} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_9, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_3|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 944308#[L91-4, thread1ENTRY, thread2ENTRY, L62-3]don't care [369] L62-3-->L62-4: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_5|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~post5] 946120#[L91-4, thread1ENTRY, thread2ENTRY, L62-4]don't care [2022-07-26 13:34:40,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:34:40,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1991048106, now seen corresponding path program 1 times [2022-07-26 13:34:40,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:34:40,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42847104] [2022-07-26 13:34:40,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:34:40,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:34:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:34:40,668 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:34:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:34:40,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:34:40,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:34:40,687 INFO L85 PathProgramCache]: Analyzing trace with hash 375105453, now seen corresponding path program 1 times [2022-07-26 13:34:40,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:34:40,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678078767] [2022-07-26 13:34:40,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:34:40,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:34:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:34:40,691 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:34:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:34:40,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:34:40,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:34:40,694 INFO L85 PathProgramCache]: Analyzing trace with hash -849932168, now seen corresponding path program 1 times [2022-07-26 13:34:40,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:34:40,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907960262] [2022-07-26 13:34:40,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:34:40,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:34:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:34:40,712 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:34:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:34:40,729 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:34:40,742 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:34:40,743 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:34:40,743 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:34:40,743 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:34:40,743 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:34:40,743 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:40,743 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:34:40,743 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:34:40,743 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration3_Loop [2022-07-26 13:34:40,743 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:34:40,743 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:34:40,744 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 13:34:40,747 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 13:34:40,749 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 13:34:40,751 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 13:34:40,752 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 13:34:40,754 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 13:34:40,755 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 13:34:40,757 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 13:34:40,758 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 13:34:40,759 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 13:34:40,761 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 13:34:40,762 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 13:34:40,829 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:34:40,829 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:34:40,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:40,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:34:40,831 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 13:34:40,831 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 13:34:40,837 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:34:40,837 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:34:40,882 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 13:34:40,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:40,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:34:40,888 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 13:34:40,890 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 13:34:40,891 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:34:40,891 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:34:41,007 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:34:41,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-07-26 13:34:41,010 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:34:41,010 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:34:41,010 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:34:41,010 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:34:41,010 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:34:41,010 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:41,010 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:34:41,010 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:34:41,010 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration3_Loop [2022-07-26 13:34:41,010 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:34:41,010 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:34:41,011 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 13:34:41,019 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 13:34:41,022 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 13:34:41,029 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 13:34:41,030 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 13:34:41,032 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 13:34:41,033 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 13:34:41,041 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 13:34:41,043 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 13:34:41,044 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 13:34:41,047 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 13:34:41,048 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 13:34:41,109 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:34:41,109 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:34:41,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:41,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:34:41,110 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 13:34:41,111 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 13:34:41,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:34:41,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:34:41,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:34:41,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:34:41,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:34:41,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:34:41,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:34:41,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:34:41,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-07-26 13:34:41,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:41,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:34:41,151 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 13:34:41,152 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 13:34:41,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 13:34:41,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:34:41,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:34:41,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:34:41,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:34:41,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:34:41,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:34:41,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:34:41,190 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 13:34:41,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:41,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:34:41,204 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 13:34:41,209 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 13:34:41,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:34:41,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:34:41,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:34:41,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:34:41,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:34:41,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:34:41,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:34:41,219 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 13:34:41,227 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:34:41,230 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:34:41,230 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 13:34:41,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:34:41,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:34:41,231 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 13:34:41,232 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 13:34:41,234 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:34:41,235 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:34:41,235 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:34:41,235 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 13:34:41,253 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 13:34:41,254 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:34:41,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:34:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:34:41,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:34:41,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:34:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:34:41,327 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-26 13:34:41,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:34:41,360 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 13:34:41,361 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-07-26 13:34:41,361 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 116890 states and 636495 transitions. cyclomatic complexity: 526659 Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 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 13:34:41,706 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 13:34:46,799 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 116890 states and 636495 transitions. cyclomatic complexity: 526659. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 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 354634 states and 2038712 transitions. Complement of second has 8 states. [2022-07-26 13:34:46,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-26 13:34:46,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 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 13:34:46,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 265 transitions. [2022-07-26 13:34:46,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 265 transitions. Stem has 41 letters. Loop has 5 letters. [2022-07-26 13:34:46,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:34:46,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 265 transitions. Stem has 46 letters. Loop has 5 letters. [2022-07-26 13:34:46,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:34:46,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 265 transitions. Stem has 41 letters. Loop has 10 letters. [2022-07-26 13:34:46,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:34:46,802 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 354634 states and 2038712 transitions. [2022-07-26 13:34:57,925 INFO L131 ngComponentsAnalysis]: Automaton has 3702 accepting balls. 18510 [2022-07-26 13:35:02,272 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 354634 states to 225478 states and 1291247 transitions. [2022-07-26 13:35:02,273 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46080 [2022-07-26 13:35:02,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58170 [2022-07-26 13:35:02,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 225478 states and 1291247 transitions. [2022-07-26 13:35:02,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:35:02,516 INFO L220 hiAutomatonCegarLoop]: Abstraction has 225478 states and 1291247 transitions. [2022-07-26 13:35:03,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225478 states and 1291247 transitions. [2022-07-26 13:35:09,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225478 to 200184. [2022-07-26 13:35:10,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200184 states, 200184 states have (on average 5.798140710546297) internal successors, (1160695), 200183 states have internal predecessors, (1160695), 0 states have call successors, (0), 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 13:35:12,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200184 states to 200184 states and 1160695 transitions. [2022-07-26 13:35:12,765 INFO L242 hiAutomatonCegarLoop]: Abstraction has 200184 states and 1160695 transitions. [2022-07-26 13:35:12,765 INFO L426 stractBuchiCegarLoop]: Abstraction has 200184 states and 1160695 transitions. [2022-07-26 13:35:12,765 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-26 13:35:12,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 200184 states and 1160695 transitions. [2022-07-26 13:35:16,327 INFO L131 ngComponentsAnalysis]: Automaton has 3702 accepting balls. 18510 [2022-07-26 13:35:16,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:35:16,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:35:16,332 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-26 13:35:16,332 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-07-26 13:35:16,335 INFO L733 eck$LassoCheckResult]: Stem: 1501146#[ULTIMATE.startENTRY]don't care [325] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 1467606#[L-1]don't care [257] L-1-->L-1-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] 1401452#[L-1-1]don't care [332] L-1-1-->L-1-2: Formula: (= (select |v_#valid_19| 0) 0) InVars {#valid=|v_#valid_19|} OutVars{#valid=|v_#valid_19|} AuxVars[] AssignedVars[] 1401454#[L-1-2]don't care [334] L-1-2-->L21: Formula: (< 0 |v_#StackHeapBarrier_2|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|} AuxVars[] AssignedVars[] 1431926#[L21]don't care [298] L21-->L21-1: Formula: (and (= (select |v_#valid_20| 1) 1) (= 2 (select |v_#length_11| 1))) InVars {#length=|v_#length_11|, #valid=|v_#valid_20|} OutVars{#length=|v_#length_11|, #valid=|v_#valid_20|} AuxVars[] AssignedVars[] 1431928#[L21-1]don't care [321] L21-1-->L21-2: Formula: (= 48 (select (select |v_#memory_int_13| 1) 0)) InVars {#memory_int=|v_#memory_int_13|} OutVars{#memory_int=|v_#memory_int_13|} AuxVars[] AssignedVars[] 1471604#[L21-2]don't care [261] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_14| 1) 1) 0) InVars {#memory_int=|v_#memory_int_14|} OutVars{#memory_int=|v_#memory_int_14|} AuxVars[] AssignedVars[] 1471606#[L21-3]don't care [293] L21-3-->L21-4: Formula: (and (= (select |v_#length_12| 2) 28) (= (select |v_#valid_21| 2) 1)) InVars {#length=|v_#length_12|, #valid=|v_#valid_21|} OutVars{#length=|v_#length_12|, #valid=|v_#valid_21|} AuxVars[] AssignedVars[] 1425832#[L21-4]don't care [275] L21-4-->L38: Formula: (= v_~M~0_6 0) InVars {} OutVars{~M~0=v_~M~0_6} AuxVars[] AssignedVars[~M~0] 1400346#[L38]don't care [276] L38-->L38-1: Formula: (= v_~N~0_6 0) InVars {} OutVars{~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 1400348#[L38-1]don't care [294] L38-1-->L38-2: Formula: (= v_~counter1~0_7 0) InVars {} OutVars{~counter1~0=v_~counter1~0_7} AuxVars[] AssignedVars[~counter1~0] 1466900#[L38-2]don't care [331] L38-2-->L-1-3: Formula: (= v_~counter2~0_7 0) InVars {} OutVars{~counter2~0=v_~counter2~0_7} AuxVars[] AssignedVars[~counter2~0] 1407710#[L-1-3]don't care [336] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 1407712#[L-1-4]don't care [259] L-1-4-->L-1-5: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 1467320#[L-1-5]don't care [235] L-1-5-->L-1-6: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 1439874#[L-1-6]don't care [314] L-1-6-->L83: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_4|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_3|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_4|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_5|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_5|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_5|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_4|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_2|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_5|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_2|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_4|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_3|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_5|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_2|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_3|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_3|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_2|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_6|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_6|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_3|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#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, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_~#t2~0#1.base] 1439876#[L83]don't care [240] L83-->L83-1: Formula: (and (= |v_ULTIMATE.start_main_~#t1~0#1.offset_6| 0) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_6| 0)) (= (store |v_#valid_23| |v_ULTIMATE.start_main_~#t1~0#1.base_6| 1) |v_#valid_22|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1~0#1.base_6| 4) |v_#length_13|) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t1~0#1.base_6|) (= (select |v_#valid_23| |v_ULTIMATE.start_main_~#t1~0#1.base_6|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_14|, #valid=|v_#valid_23|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_13|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_6|, #valid=|v_#valid_22|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 1501628#[L83-1]don't care [278] L83-1-->L83-2: Formula: (and (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_6| 0)) (= (select |v_#valid_25| |v_ULTIMATE.start_main_~#t2~0#1.base_6|) 0) (< |v_#StackHeapBarrier_4| |v_ULTIMATE.start_main_~#t2~0#1.base_6|) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2~0#1.base_6| 4) |v_#length_15|) (= (store |v_#valid_25| |v_ULTIMATE.start_main_~#t2~0#1.base_6| 1) |v_#valid_24|) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_6|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_16|, #valid=|v_#valid_25|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_15|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_6|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|, #valid=|v_#valid_24|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 1416160#[L83-2]don't care [316] L83-2-->L83-3: Formula: (and (= |v_ULTIMATE.start_main_~#t3~0#1.offset_6| 0) (< |v_#StackHeapBarrier_5| |v_ULTIMATE.start_main_~#t3~0#1.base_6|) (not (= |v_ULTIMATE.start_main_~#t3~0#1.base_6| 0)) (= |v_#valid_26| (store |v_#valid_27| |v_ULTIMATE.start_main_~#t3~0#1.base_6| 1)) (= (select |v_#valid_27| |v_ULTIMATE.start_main_~#t3~0#1.base_6|) 0) (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t3~0#1.base_6| 4) |v_#length_17|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_18|, #valid=|v_#valid_27|} OutVars{ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_17|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_6|, #valid=|v_#valid_26|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t3~0#1.offset, #valid, ULTIMATE.start_main_~#t3~0#1.base, #length] 1416162#[L83-3]don't care [320] L83-3-->L83-4: Formula: (and (< |v_#StackHeapBarrier_1| |v_ULTIMATE.start_main_~#t4~0#1.base_1|) (not (= |v_ULTIMATE.start_main_~#t4~0#1.base_1| 0)) (= (store |v_#length_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1| 4) |v_#length_1|) (= |v_ULTIMATE.start_main_~#t4~0#1.offset_1| 0) (= (select |v_#valid_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1|) 0) (= (store |v_#valid_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1| 1) |v_#valid_1|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_2|, #valid=|v_#valid_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_1|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base] 1510858#[L83-4]don't care [277] L83-4-->L85: Formula: (= |v_ULTIMATE.start_main_#t~nondet9#1_1| v_~M~0_5) InVars {ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|} OutVars{~M~0=v_~M~0_5, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|} AuxVars[] AssignedVars[~M~0] 1425300#[L85]don't care [254] L85-->L86: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1] 1425302#[L86]don't care [219] L86-->L86-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet10#1_1| v_~N~0_5) InVars {ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 1504780#[L86-1]don't care [286] L86-1-->L89: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 1504782#[L89]don't care [283] L89-->L89-1: Formula: (= |v_ULTIMATE.start_main_#t~pre11#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_1|, #pthreadsForks=|v_#pthreadsForks_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 1521798#[L89-1]don't care [265] L89-1-->L89-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 1490542#[L89-2]don't care [291] L89-2-->L89-3: Formula: (and (= (store |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| (store (select |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) |v_ULTIMATE.start_main_~#t1~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre11#1_2|)) |v_#memory_int_1|) (= (select |v_#valid_3| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 1) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_1|) (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 4) (select |v_#length_3| |v_ULTIMATE.start_main_~#t1~0#1.base_1|))) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_3|, #memory_int=|v_#memory_int_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_3|, #memory_int=|v_#memory_int_1|, #length=|v_#length_3|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} AuxVars[] AssignedVars[#memory_int] 1490544#[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] 1489732#[L89-4, thread1ENTRY]don't care [317] L89-4-->L89-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 1489736#[L89-5, thread1ENTRY]don't care [330] L89-5-->L90: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet12#1] 1532346#[thread1ENTRY, L90]don't care [329] L90-->L90-1: Formula: (= |v_ULTIMATE.start_main_#t~pre13#1_1| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1] 1457638#[L90-1, thread1ENTRY]don't care [241] L90-1-->L90-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] 1450690#[L90-2, thread1ENTRY]don't care [247] L90-2-->L90-3: Formula: (and (= (select |v_#valid_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) 1) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) |v_ULTIMATE.start_main_~#t2~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre13#1_2|)) |v_#memory_int_3|) (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|) (select |v_#length_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|)) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_4|, #memory_int=|v_#memory_int_4|, #length=|v_#length_4|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_4|, #memory_int=|v_#memory_int_3|, #length=|v_#length_4|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} AuxVars[] AssignedVars[#memory_int] 1450694#[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] 1407022#[thread2ENTRY, L90-4, thread1ENTRY]don't care [319] L90-4-->L90-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1] 1407028#[L90-5, thread2ENTRY, thread1ENTRY]don't care [252] L90-5-->L91: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet14#1] 1532002#[thread2ENTRY, thread1ENTRY, L91]don't care [242] L91-->L91-1: Formula: (= |v_ULTIMATE.start_main_#t~pre15#1_1| |v_#pthreadsForks_7|) InVars {#pthreadsForks=|v_#pthreadsForks_7|} OutVars{#pthreadsForks=|v_#pthreadsForks_7|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre15#1] 1539764#[thread2ENTRY, thread1ENTRY, L91-1]don't care [253] L91-1-->L91-2: Formula: (= (+ 1 |v_#pthreadsForks_9|) |v_#pthreadsForks_8|) InVars {#pthreadsForks=|v_#pthreadsForks_9|} OutVars{#pthreadsForks=|v_#pthreadsForks_8|} AuxVars[] AssignedVars[#pthreadsForks] 1539768#[thread2ENTRY, L91-2, thread1ENTRY]don't care [281] L91-2-->L91-3: Formula: (and (<= (+ 4 |v_ULTIMATE.start_main_~#t3~0#1.offset_1|) (select |v_#length_5| |v_ULTIMATE.start_main_~#t3~0#1.base_1|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_1|) (= (select |v_#valid_5| |v_ULTIMATE.start_main_~#t3~0#1.base_1|) 1) (= (store |v_#memory_int_6| |v_ULTIMATE.start_main_~#t3~0#1.base_1| (store (select |v_#memory_int_6| |v_ULTIMATE.start_main_~#t3~0#1.base_1|) |v_ULTIMATE.start_main_~#t3~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre15#1_2|)) |v_#memory_int_5|)) InVars {ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_1|, #valid=|v_#valid_5|, #memory_int=|v_#memory_int_6|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_1|, #length=|v_#length_5|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_2|} OutVars{ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_1|, #valid=|v_#valid_5|, #memory_int=|v_#memory_int_5|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_1|, #length=|v_#length_5|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_2|} AuxVars[] AssignedVars[#memory_int] 1546606#[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] 1472152#[L91-4, thread1ENTRY, thread2ENTRY, thread3ENTRY]don't care [232] L91-4-->L91-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre15#1] 1446014#[L91-5, thread1ENTRY, thread2ENTRY, thread3ENTRY]don't care [220] L91-5-->L92: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16#1] 1446020#[thread1ENTRY, thread2ENTRY, L92, thread3ENTRY]don't care [311] L92-->L92-1: Formula: (= |v_#pthreadsForks_10| |v_ULTIMATE.start_main_#t~pre17#1_1|) InVars {#pthreadsForks=|v_#pthreadsForks_10|} OutVars{#pthreadsForks=|v_#pthreadsForks_10|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre17#1] 1501730#[thread1ENTRY, thread2ENTRY, L92-1, thread3ENTRY]don't care [305] L92-1-->L92-2: Formula: (= (+ |v_#pthreadsForks_12| 1) |v_#pthreadsForks_11|) InVars {#pthreadsForks=|v_#pthreadsForks_12|} OutVars{#pthreadsForks=|v_#pthreadsForks_11|} AuxVars[] AssignedVars[#pthreadsForks] 1501732#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L92-2]don't care [273] L92-2-->L92-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_2|) (= (select |v_#valid_6| |v_ULTIMATE.start_main_~#t4~0#1.base_2|) 1) (= (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t4~0#1.base_2| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t4~0#1.base_2|) |v_ULTIMATE.start_main_~#t4~0#1.offset_2| |v_ULTIMATE.start_main_#t~pre17#1_2|)) |v_#memory_int_7|) (<= (+ |v_ULTIMATE.start_main_~#t4~0#1.offset_2| 4) (select |v_#length_6| |v_ULTIMATE.start_main_~#t4~0#1.base_2|))) InVars {#valid=|v_#valid_6|, #memory_int=|v_#memory_int_8|, #length=|v_#length_6|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_2|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_2|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_2|} OutVars{#valid=|v_#valid_6|, #memory_int=|v_#memory_int_7|, #length=|v_#length_6|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_2|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_2|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_2|} AuxVars[] AssignedVars[#memory_int] 1519362#[L92-3, thread1ENTRY, thread2ENTRY, thread3ENTRY]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] 1477850#[thread2ENTRY, thread3ENTRY, thread1ENTRY, thread4ENTRY, L92-4]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] 1411544#[thread2ENTRY, thread3ENTRY, L72-4, thread1ENTRY, L92-4]don't care [2022-07-26 13:35:16,335 INFO L735 eck$LassoCheckResult]: Loop: 1411544#[thread2ENTRY, thread3ENTRY, L72-4, thread1ENTRY, L92-4]don't care [373] L72-4-->L73: Formula: (< |v_thread4Thread1of1ForFork2_~i~3#1_5| v_~N~0_4) InVars {thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_5|, ~N~0=v_~N~0_4} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_5|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[] 1536246#[thread2ENTRY, thread3ENTRY, L73, thread1ENTRY, L92-4]don't care [375] L73-->L76: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1| |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1| (ite (< 0 v_~counter2~0_31) 1 0)) (= v_~counter2~0_31 (+ v_~counter2~0_30 1)) (not (= 0 |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|))) InVars {~counter2~0=v_~counter2~0_31} OutVars{~counter2~0=v_~counter2~0_30, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_1|} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 1507760#[thread2ENTRY, thread3ENTRY, thread1ENTRY, L76, L92-4]don't care [377] L76-->L72-2: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_7| |v_thread4Thread1of1ForFork2_#t~post7#1_1|) InVars {thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_7|} OutVars{thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_1|, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_7|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_#t~post7#1] 1507766#[thread2ENTRY, thread3ENTRY, L72-2, thread1ENTRY, L92-4]don't care [378] L72-2-->L72-3: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_9| (+ |v_thread4Thread1of1ForFork2_#t~post7#1_3| 1)) InVars {thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_3|} OutVars{thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_3|, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_9|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 1411536#[thread2ENTRY, thread3ENTRY, L72-3, thread1ENTRY, L92-4]don't care [379] L72-3-->L72-4: Formula: true InVars {} OutVars{thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_5|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_#t~post7#1] 1411544#[thread2ENTRY, thread3ENTRY, L72-4, thread1ENTRY, L92-4]don't care [2022-07-26 13:35:16,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:35:16,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1934743583, now seen corresponding path program 1 times [2022-07-26 13:35:16,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:35:16,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579598395] [2022-07-26 13:35:16,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:35:16,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:35:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:35:16,421 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:35:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:35:16,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:35:16,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:35:16,458 INFO L85 PathProgramCache]: Analyzing trace with hash 384648503, now seen corresponding path program 1 times [2022-07-26 13:35:16,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:35:16,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962799797] [2022-07-26 13:35:16,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:35:16,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:35:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:35:16,461 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:35:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:35:16,471 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:35:16,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:35:16,472 INFO L85 PathProgramCache]: Analyzing trace with hash -667693095, now seen corresponding path program 1 times [2022-07-26 13:35:16,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:35:16,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762583709] [2022-07-26 13:35:16,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:35:16,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:35:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:35:16,565 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 13:35:16,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-26 13:35:16,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762583709] [2022-07-26 13:35:16,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762583709] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-26 13:35:16,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-26 13:35:16,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-26 13:35:16,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137676075] [2022-07-26 13:35:16,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-26 13:35:16,620 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:35:16,620 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:35:16,620 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:35:16,620 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:35:16,620 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:35:16,620 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:16,620 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:35:16,621 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:35:16,621 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration4_Loop [2022-07-26 13:35:16,621 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:35:16,621 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:35:16,622 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 13:35:16,623 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 13:35:16,625 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 13:35:16,627 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 13:35:16,629 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 13:35:16,630 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 13:35:16,631 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 13:35:16,632 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 13:35:16,635 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 13:35:16,636 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 13:35:16,640 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 13:35:16,644 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 13:35:16,647 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 13:35:16,753 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:35:16,754 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:35:16,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:16,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:16,756 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 13:35:16,758 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 13:35:16,764 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:35:16,764 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:35:16,785 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:35:16,785 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 13:35:16,802 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 13:35:16,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:16,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:16,812 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 13:35:16,813 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 13:35:16,815 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:35:16,815 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:35:16,835 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:35:16,836 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 13:35:16,867 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 13:35:16,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:16,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:16,868 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 13:35:16,873 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:35:16,874 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:35:16,885 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 13:35:16,891 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:35:16,891 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 13:35:16,909 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 13:35:16,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:16,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:16,911 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 13:35:16,912 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 13:35:16,913 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:35:16,913 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:35:16,936 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:35:16,936 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 13:35:16,953 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 13:35:16,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:16,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:16,955 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 13:35:16,956 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 13:35:16,957 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:35:16,957 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:35:16,978 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:35:16,978 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 13:35:16,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-26 13:35:16,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:16,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:16,998 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 13:35:17,000 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 13:35:17,002 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:35:17,002 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:35:17,023 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:35:17,024 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread4Thread1of1ForFork2_#t~post8#1=0} Honda state: {thread4Thread1of1ForFork2_#t~post8#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:35:17,050 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 13:35:17,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:17,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:17,051 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 13:35:17,053 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 13:35:17,054 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:35:17,055 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:35:17,076 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:35:17,076 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_7=3} Honda state: {v_rep#funAddr~thread4.offset_7=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:35:17,109 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 13:35:17,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:17,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:17,111 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 13:35:17,112 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 13:35:17,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:35:17,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:35:17,134 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:35:17,134 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 13:35:17,152 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 13:35:17,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:17,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:17,153 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 13:35:17,154 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 13:35:17,155 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:35:17,155 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:35:17,176 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:35:17,176 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_7=0} Honda state: {v_rep#funAddr~thread1.offset_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:35:17,193 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 13:35:17,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:17,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:17,208 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 13:35:17,209 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 13:35:17,211 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:35:17,211 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:35:17,248 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 13:35:17,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:17,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:17,249 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 13:35:17,251 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 13:35:17,253 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:35:17,253 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:35:17,292 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:35:17,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-07-26 13:35:17,300 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:35:17,300 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:35:17,300 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:35:17,300 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:35:17,300 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:35:17,300 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:17,300 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:35:17,300 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:35:17,300 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration4_Loop [2022-07-26 13:35:17,300 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:35:17,300 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:35:17,301 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 13:35:17,313 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 13:35:17,315 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 13:35:17,318 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 13:35:17,319 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 13:35:17,321 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 13:35:17,328 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 13:35:17,332 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 13:35:17,333 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 13:35:17,335 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 13:35:17,339 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 13:35:17,341 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 13:35:17,345 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 13:35:17,430 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:35:17,431 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:35:17,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:17,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:17,465 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 13:35:17,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 13:35:17,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:35:17,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:35:17,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:35:17,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:35:17,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:35:17,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:35:17,535 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 13:35:17,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:35:17,561 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 13:35:17,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:17,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:17,562 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 13:35:17,623 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 13:35:17,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 13:35:17,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:35:17,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:35:17,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:35:17,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:35:17,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:35:17,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:35:17,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:35:17,692 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 13:35:17,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:17,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:17,694 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 13:35:17,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 13:35:17,732 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 13:35:17,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:35:17,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:35:17,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:35:17,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:35:17,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:35:17,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:35:17,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:35:17,795 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 13:35:17,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:17,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:17,812 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 13:35:17,813 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 13:35:17,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 13:35:17,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:35:17,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:35:17,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:35:17,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:35:17,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:35:17,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:35:17,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:35:17,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:35:17,854 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 13:35:17,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:17,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:17,868 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 13:35:17,873 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 13:35:17,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 13:35:17,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:35:17,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:35:17,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:35:17,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:35:17,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:35:17,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:35:17,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:35:17,959 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 13:35:17,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:17,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:17,976 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 13:35:17,977 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 13:35:17,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:35:17,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:35:17,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:35:17,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:35:17,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:35:17,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:35:17,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:35:18,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:35:18,045 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 13:35:18,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:18,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:18,047 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 13:35:18,047 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 13:35:18,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 13:35:18,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:35:18,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:35:18,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:35:18,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:35:18,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:35:18,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:35:18,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:35:18,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:35:18,089 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 13:35:18,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:18,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:18,091 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 13:35:18,093 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 13:35:18,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 13:35:18,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:35:18,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:35:18,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:35:18,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:35:18,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:35:18,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:35:18,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:35:18,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:35:18,155 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 13:35:18,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:18,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:18,157 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 13:35:18,158 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 13:35:18,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 13:35:18,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:35:18,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:35:18,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:35:18,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:35:18,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:35:18,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:35:18,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:35:18,224 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 13:35:18,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:18,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:18,225 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 13:35:18,226 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 13:35:18,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:35:18,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:35:18,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:35:18,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:35:18,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:35:18,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:35:18,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:35:18,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:35:18,257 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:35:18,259 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:35:18,260 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 13:35:18,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:35:18,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:35:18,261 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 13:35:18,296 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:35:18,296 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:35:18,296 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:35:18,296 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter2~0) = 1*~counter2~0 Supporting invariants [] [2022-07-26 13:35:18,296 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 13:35:18,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-26 13:35:18,322 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:35:18,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:35:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:35:18,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:35:18,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:35:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:35:18,466 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-26 13:35:18,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:35:18,519 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 13:35:18,520 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-26 13:35:18,520 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 200184 states and 1160695 transitions. cyclomatic complexity: 969985 Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 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 13:35:19,226 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