/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 23:11:56,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 23:11:56,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 23:11:56,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 23:11:56,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 23:11:56,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 23:11:56,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 23:11:56,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 23:11:56,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 23:11:56,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 23:11:56,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 23:11:56,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 23:11:56,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 23:11:56,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 23:11:56,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 23:11:56,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 23:11:56,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 23:11:56,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 23:11:56,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 23:11:56,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 23:11:56,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 23:11:56,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 23:11:56,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 23:11:56,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 23:11:56,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 23:11:56,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 23:11:56,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 23:11:56,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 23:11:56,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 23:11:56,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 23:11:56,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 23:11:56,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 23:11:56,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 23:11:56,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 23:11:56,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 23:11:56,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 23:11:56,119 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2019-12-18 23:11:56,133 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 23:11:56,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 23:11:56,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 23:11:56,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 23:11:56,135 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 23:11:56,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 23:11:56,136 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 23:11:56,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 23:11:56,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 23:11:56,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 23:11:56,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 23:11:56,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 23:11:56,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 23:11:56,137 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 23:11:56,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 23:11:56,138 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 23:11:56,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 23:11:56,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 23:11:56,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 23:11:56,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 23:11:56,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 23:11:56,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 23:11:56,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 23:11:56,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 23:11:56,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 23:11:56,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 23:11:56,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 23:11:56,140 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-18 23:11:56,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 23:11:56,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 23:11:56,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 23:11:56,446 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 23:11:56,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 23:11:56,450 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 23:11:56,450 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 23:11:56,451 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2019-12-18 23:11:56,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1bcc09e6/3e5fd3e8c8ee459d8bc83891532e12de/FLAGedc4e25ec [2019-12-18 23:11:57,116 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 23:11:57,116 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2019-12-18 23:11:57,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1bcc09e6/3e5fd3e8c8ee459d8bc83891532e12de/FLAGedc4e25ec [2019-12-18 23:11:57,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1bcc09e6/3e5fd3e8c8ee459d8bc83891532e12de [2019-12-18 23:11:57,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 23:11:57,443 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 23:11:57,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 23:11:57,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 23:11:57,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 23:11:57,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:11:57" (1/1) ... [2019-12-18 23:11:57,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6282e843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:11:57, skipping insertion in model container [2019-12-18 23:11:57,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:11:57" (1/1) ... [2019-12-18 23:11:57,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 23:11:57,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 23:11:58,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:11:58,114 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 23:11:58,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:11:58,321 INFO L208 MainTranslator]: Completed translation [2019-12-18 23:11:58,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:11:58 WrapperNode [2019-12-18 23:11:58,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 23:11:58,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 23:11:58,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 23:11:58,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 23:11:58,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:11:58" (1/1) ... [2019-12-18 23:11:58,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:11:58" (1/1) ... [2019-12-18 23:11:58,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 23:11:58,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 23:11:58,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 23:11:58,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 23:11:58,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:11:58" (1/1) ... [2019-12-18 23:11:58,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:11:58" (1/1) ... [2019-12-18 23:11:58,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:11:58" (1/1) ... [2019-12-18 23:11:58,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:11:58" (1/1) ... [2019-12-18 23:11:58,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:11:58" (1/1) ... [2019-12-18 23:11:58,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:11:58" (1/1) ... [2019-12-18 23:11:58,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:11:58" (1/1) ... [2019-12-18 23:11:58,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 23:11:58,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 23:11:58,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 23:11:58,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 23:11:58,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:11:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 23:11:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 23:11:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2019-12-18 23:11:58,514 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2019-12-18 23:11:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 23:11:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 23:11:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 23:11:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-18 23:11:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 23:11:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-18 23:11:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 23:11:58,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 23:11:58,518 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 23:11:58,907 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 23:11:58,907 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-18 23:11:58,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:11:58 BoogieIcfgContainer [2019-12-18 23:11:58,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 23:11:58,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 23:11:58,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 23:11:58,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 23:11:58,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:11:57" (1/3) ... [2019-12-18 23:11:58,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cdb507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:11:58, skipping insertion in model container [2019-12-18 23:11:58,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:11:58" (2/3) ... [2019-12-18 23:11:58,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68cdb507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:11:58, skipping insertion in model container [2019-12-18 23:11:58,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:11:58" (3/3) ... [2019-12-18 23:11:58,917 INFO L109 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2019-12-18 23:11:58,927 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 23:11:58,928 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 23:11:58,940 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 23:11:58,941 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 23:11:58,969 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,970 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,970 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,971 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,971 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,971 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,971 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,972 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,972 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,972 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,973 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,973 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,973 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,973 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,974 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,974 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,974 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,974 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,975 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,975 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,975 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,976 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,976 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,976 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,976 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,977 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,977 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,977 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,978 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,978 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,978 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,982 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,983 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,983 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,983 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,983 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,984 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,984 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,984 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:58,984 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:11:59,015 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-18 23:11:59,034 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:11:59,034 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:11:59,034 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:11:59,034 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:11:59,034 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:11:59,035 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:11:59,035 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:11:59,035 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:11:59,048 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 61 transitions [2019-12-18 23:11:59,050 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 59 places, 61 transitions [2019-12-18 23:11:59,101 INFO L126 PetriNetUnfolder]: 6/70 cut-off events. [2019-12-18 23:11:59,102 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:11:59,109 INFO L76 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 70 events. 6/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs. 5/66 useless extension candidates. Maximal degree in co-relation 38. Up to 4 conditions per place. [2019-12-18 23:11:59,113 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 59 places, 61 transitions [2019-12-18 23:11:59,135 INFO L126 PetriNetUnfolder]: 6/70 cut-off events. [2019-12-18 23:11:59,135 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:11:59,137 INFO L76 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 70 events. 6/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs. 5/66 useless extension candidates. Maximal degree in co-relation 38. Up to 4 conditions per place. [2019-12-18 23:11:59,143 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 616 [2019-12-18 23:11:59,144 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 23:12:00,863 WARN L192 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-12-18 23:12:00,998 INFO L206 etLargeBlockEncoding]: Checked pairs total: 571 [2019-12-18 23:12:00,998 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2019-12-18 23:12:01,001 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 12 places, 12 transitions [2019-12-18 23:12:01,009 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 34 states. [2019-12-18 23:12:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2019-12-18 23:12:01,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-18 23:12:01,018 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:12:01,019 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-12-18 23:12:01,019 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:12:01,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:12:01,026 INFO L82 PathProgramCache]: Analyzing trace with hash -647668971, now seen corresponding path program 1 times [2019-12-18 23:12:01,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:12:01,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728922797] [2019-12-18 23:12:01,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:12:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:12:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:12:01,203 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 23:12:01,204 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 23:12:01,205 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 23:12:01,205 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-18 23:12:01,213 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,214 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,214 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,214 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,215 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,215 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,215 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,215 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,216 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,216 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,216 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,216 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,216 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,217 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,217 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,217 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,217 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,217 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,218 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,218 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,218 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,218 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,218 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,219 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,219 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,219 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,219 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,219 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,220 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,220 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,220 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,221 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,221 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,221 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,221 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,221 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,222 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,222 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,222 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,222 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,223 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,223 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,223 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,223 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,223 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,224 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,224 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,224 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,224 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,224 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,225 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,225 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,225 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,225 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,226 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,226 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,226 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,226 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,226 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,227 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,227 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,227 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,227 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,228 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,228 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,228 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,228 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,228 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,229 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,229 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,229 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,231 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,231 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,232 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,232 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,232 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,232 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,232 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,233 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,233 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:01,235 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-18 23:12:01,235 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:12:01,236 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:12:01,236 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:12:01,236 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:12:01,236 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:12:01,236 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:12:01,236 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:12:01,236 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:12:01,239 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 90 transitions [2019-12-18 23:12:01,239 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 86 places, 90 transitions [2019-12-18 23:12:01,262 INFO L126 PetriNetUnfolder]: 11/109 cut-off events. [2019-12-18 23:12:01,262 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:12:01,266 INFO L76 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 109 events. 11/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 226 event pairs. 14/107 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2019-12-18 23:12:01,273 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 86 places, 90 transitions [2019-12-18 23:12:01,292 INFO L126 PetriNetUnfolder]: 11/109 cut-off events. [2019-12-18 23:12:01,292 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:12:01,295 INFO L76 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 109 events. 11/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 226 event pairs. 14/107 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2019-12-18 23:12:01,302 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2856 [2019-12-18 23:12:01,302 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 23:12:02,783 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-12-18 23:12:02,864 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7045 [2019-12-18 23:12:02,865 INFO L214 etLargeBlockEncoding]: Total number of compositions: 68 [2019-12-18 23:12:02,865 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 31 transitions [2019-12-18 23:12:02,894 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 653 states. [2019-12-18 23:12:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states. [2019-12-18 23:12:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-18 23:12:02,897 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:12:02,897 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:12:02,897 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:12:02,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:12:02,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1944955854, now seen corresponding path program 1 times [2019-12-18 23:12:02,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:12:02,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620272494] [2019-12-18 23:12:02,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:12:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:12:03,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:12:03,020 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620272494] [2019-12-18 23:12:03,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:12:03,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 23:12:03,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407445714] [2019-12-18 23:12:03,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:12:03,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:12:03,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:12:03,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:03,045 INFO L87 Difference]: Start difference. First operand 653 states. Second operand 3 states. [2019-12-18 23:12:03,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:12:03,134 INFO L93 Difference]: Finished difference Result 563 states and 1614 transitions. [2019-12-18 23:12:03,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:12:03,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-18 23:12:03,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:12:03,172 INFO L225 Difference]: With dead ends: 563 [2019-12-18 23:12:03,172 INFO L226 Difference]: Without dead ends: 563 [2019-12-18 23:12:03,176 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:03,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2019-12-18 23:12:03,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 563. [2019-12-18 23:12:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2019-12-18 23:12:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1614 transitions. [2019-12-18 23:12:03,328 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1614 transitions. Word has length 9 [2019-12-18 23:12:03,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:12:03,328 INFO L462 AbstractCegarLoop]: Abstraction has 563 states and 1614 transitions. [2019-12-18 23:12:03,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:12:03,329 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1614 transitions. [2019-12-18 23:12:03,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-18 23:12:03,330 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:12:03,330 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2019-12-18 23:12:03,330 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:12:03,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:12:03,331 INFO L82 PathProgramCache]: Analyzing trace with hash -2014535918, now seen corresponding path program 1 times [2019-12-18 23:12:03,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:12:03,331 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864990155] [2019-12-18 23:12:03,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:12:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:12:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:12:03,376 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 23:12:03,376 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 23:12:03,378 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 23:12:03,378 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-18 23:12:03,385 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,385 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,386 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,386 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,386 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,386 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,386 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,387 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,387 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,387 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,387 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,387 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,387 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,388 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,388 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,388 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,388 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,388 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,389 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,389 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,389 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,389 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,389 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,389 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,390 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,390 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,390 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,390 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,390 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,391 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,391 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,391 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,391 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,391 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,392 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,392 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,392 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,392 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,392 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,393 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,393 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,393 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,393 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,393 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,393 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,394 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,394 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,394 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,394 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,394 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,394 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,395 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,395 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,395 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,395 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,395 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,396 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,396 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,396 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,396 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,396 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,396 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,397 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,397 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,397 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,397 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,397 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,398 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,398 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,398 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,398 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,398 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,398 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,399 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,399 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,399 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,399 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,399 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,399 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,400 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,400 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,400 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,400 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,400 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,400 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,401 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,401 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,401 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,401 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,401 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,401 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,402 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,402 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,402 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,402 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,402 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,403 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,403 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,403 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,403 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,403 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,403 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,406 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,406 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,407 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,407 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,407 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,407 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,407 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,408 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,408 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,410 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,410 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,410 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,411 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,411 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,411 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,411 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,411 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,411 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:03,413 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 23:12:03,413 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:12:03,413 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:12:03,414 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:12:03,414 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:12:03,414 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:12:03,414 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:12:03,414 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:12:03,414 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:12:03,416 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 119 transitions [2019-12-18 23:12:03,416 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 113 places, 119 transitions [2019-12-18 23:12:03,437 INFO L126 PetriNetUnfolder]: 16/148 cut-off events. [2019-12-18 23:12:03,438 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:12:03,442 INFO L76 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 148 events. 16/148 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 403 event pairs. 27/152 useless extension candidates. Maximal degree in co-relation 113. Up to 8 conditions per place. [2019-12-18 23:12:03,451 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 113 places, 119 transitions [2019-12-18 23:12:03,471 INFO L126 PetriNetUnfolder]: 16/148 cut-off events. [2019-12-18 23:12:03,472 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:12:03,475 INFO L76 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 148 events. 16/148 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 403 event pairs. 27/152 useless extension candidates. Maximal degree in co-relation 113. Up to 8 conditions per place. [2019-12-18 23:12:03,485 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 6720 [2019-12-18 23:12:03,485 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 23:12:04,932 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-12-18 23:12:05,211 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-12-18 23:12:05,303 INFO L206 etLargeBlockEncoding]: Checked pairs total: 19235 [2019-12-18 23:12:05,303 INFO L214 etLargeBlockEncoding]: Total number of compositions: 92 [2019-12-18 23:12:05,304 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 45 transitions [2019-12-18 23:12:05,756 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 7187 states. [2019-12-18 23:12:05,756 INFO L276 IsEmpty]: Start isEmpty. Operand 7187 states. [2019-12-18 23:12:05,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-18 23:12:05,757 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:12:05,757 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:12:05,758 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:12:05,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:12:05,758 INFO L82 PathProgramCache]: Analyzing trace with hash -499755177, now seen corresponding path program 1 times [2019-12-18 23:12:05,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:12:05,758 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332658387] [2019-12-18 23:12:05,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:12:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:12:05,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:12:05,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332658387] [2019-12-18 23:12:05,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:12:05,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 23:12:05,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454963947] [2019-12-18 23:12:05,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:12:05,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:12:05,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:12:05,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:05,810 INFO L87 Difference]: Start difference. First operand 7187 states. Second operand 3 states. [2019-12-18 23:12:05,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:12:05,971 INFO L93 Difference]: Finished difference Result 6239 states and 24647 transitions. [2019-12-18 23:12:05,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:12:05,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-18 23:12:05,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:12:06,048 INFO L225 Difference]: With dead ends: 6239 [2019-12-18 23:12:06,048 INFO L226 Difference]: Without dead ends: 6239 [2019-12-18 23:12:06,049 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:06,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6239 states. [2019-12-18 23:12:06,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6239 to 6239. [2019-12-18 23:12:06,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6239 states. [2019-12-18 23:12:06,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6239 states to 6239 states and 24647 transitions. [2019-12-18 23:12:06,490 INFO L78 Accepts]: Start accepts. Automaton has 6239 states and 24647 transitions. Word has length 9 [2019-12-18 23:12:06,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:12:06,491 INFO L462 AbstractCegarLoop]: Abstraction has 6239 states and 24647 transitions. [2019-12-18 23:12:06,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:12:06,491 INFO L276 IsEmpty]: Start isEmpty. Operand 6239 states and 24647 transitions. [2019-12-18 23:12:06,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 23:12:06,493 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:12:06,493 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:12:06,493 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:12:06,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:12:06,493 INFO L82 PathProgramCache]: Analyzing trace with hash 640824863, now seen corresponding path program 1 times [2019-12-18 23:12:06,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:12:06,494 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493739067] [2019-12-18 23:12:06,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:12:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:12:06,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:12:06,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493739067] [2019-12-18 23:12:06,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:12:06,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:12:06,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376423923] [2019-12-18 23:12:06,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 23:12:06,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:12:06,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 23:12:06,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 23:12:06,572 INFO L87 Difference]: Start difference. First operand 6239 states and 24647 transitions. Second operand 5 states. [2019-12-18 23:12:06,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:12:06,732 INFO L93 Difference]: Finished difference Result 6359 states and 25072 transitions. [2019-12-18 23:12:06,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 23:12:06,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-12-18 23:12:06,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:12:06,804 INFO L225 Difference]: With dead ends: 6359 [2019-12-18 23:12:06,805 INFO L226 Difference]: Without dead ends: 6359 [2019-12-18 23:12:06,805 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 23:12:06,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6359 states. [2019-12-18 23:12:07,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6359 to 5913. [2019-12-18 23:12:07,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5913 states. [2019-12-18 23:12:07,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5913 states to 5913 states and 23353 transitions. [2019-12-18 23:12:07,108 INFO L78 Accepts]: Start accepts. Automaton has 5913 states and 23353 transitions. Word has length 11 [2019-12-18 23:12:07,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:12:07,109 INFO L462 AbstractCegarLoop]: Abstraction has 5913 states and 23353 transitions. [2019-12-18 23:12:07,109 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 23:12:07,109 INFO L276 IsEmpty]: Start isEmpty. Operand 5913 states and 23353 transitions. [2019-12-18 23:12:07,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 23:12:07,111 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:12:07,111 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:12:07,111 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:12:07,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:12:07,112 INFO L82 PathProgramCache]: Analyzing trace with hash 2134198414, now seen corresponding path program 1 times [2019-12-18 23:12:07,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:12:07,112 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872603651] [2019-12-18 23:12:07,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:12:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:12:07,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-18 23:12:07,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872603651] [2019-12-18 23:12:07,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:12:07,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 23:12:07,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233277918] [2019-12-18 23:12:07,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:12:07,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:12:07,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:12:07,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:07,153 INFO L87 Difference]: Start difference. First operand 5913 states and 23353 transitions. Second operand 3 states. [2019-12-18 23:12:07,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:12:07,341 INFO L93 Difference]: Finished difference Result 6445 states and 25436 transitions. [2019-12-18 23:12:07,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:12:07,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-18 23:12:07,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:12:07,376 INFO L225 Difference]: With dead ends: 6445 [2019-12-18 23:12:07,377 INFO L226 Difference]: Without dead ends: 6445 [2019-12-18 23:12:07,377 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:07,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6445 states. [2019-12-18 23:12:07,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6445 to 6445. [2019-12-18 23:12:07,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6445 states. [2019-12-18 23:12:07,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6445 states to 6445 states and 25436 transitions. [2019-12-18 23:12:07,681 INFO L78 Accepts]: Start accepts. Automaton has 6445 states and 25436 transitions. Word has length 12 [2019-12-18 23:12:07,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:12:07,682 INFO L462 AbstractCegarLoop]: Abstraction has 6445 states and 25436 transitions. [2019-12-18 23:12:07,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:12:07,683 INFO L276 IsEmpty]: Start isEmpty. Operand 6445 states and 25436 transitions. [2019-12-18 23:12:07,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 23:12:07,684 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:12:07,684 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2019-12-18 23:12:07,684 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:12:07,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:12:07,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1117622612, now seen corresponding path program 1 times [2019-12-18 23:12:07,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:12:07,685 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053275261] [2019-12-18 23:12:07,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:12:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:12:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:12:07,711 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 23:12:07,712 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 23:12:07,712 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 23:12:07,712 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-18 23:12:07,720 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,720 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,721 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,721 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,721 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,721 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,721 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,721 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,722 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,722 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,722 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,722 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,722 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,723 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,723 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,723 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,723 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,723 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,724 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,724 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,724 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,724 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,724 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,724 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,725 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,725 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,725 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,725 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,725 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,725 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,726 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,726 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,726 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,726 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,726 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,726 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,727 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,727 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,727 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,727 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,727 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,728 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,728 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,728 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,728 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,728 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,728 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,728 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,729 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,729 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,729 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,729 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,729 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,729 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,730 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,730 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,730 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,730 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,730 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,730 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,731 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,731 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,731 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,731 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,731 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,731 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,732 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,732 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,732 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,732 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,732 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,732 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,733 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,733 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,733 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,733 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,733 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,733 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,733 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,734 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,734 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,734 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,734 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,734 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,734 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,735 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,735 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,735 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,735 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,735 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,735 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,735 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,736 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,736 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,736 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,736 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,736 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,737 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,737 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,737 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,737 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,737 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,737 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,738 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,738 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,738 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,738 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,738 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,738 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,738 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,739 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,739 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,739 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,739 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,739 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,739 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,740 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,740 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,740 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,740 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,740 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,740 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,740 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,741 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,741 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,741 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,741 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,742 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,742 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,742 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,742 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,742 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,742 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,745 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,745 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,746 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,746 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,746 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,746 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,746 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,746 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,747 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,748 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,748 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,749 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,749 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,749 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,750 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,750 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,750 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,750 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,752 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,752 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,752 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,752 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,753 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,753 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,753 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,753 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,753 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:12:07,755 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-18 23:12:07,755 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:12:07,755 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:12:07,755 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:12:07,755 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:12:07,756 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:12:07,756 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:12:07,756 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:12:07,756 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:12:07,758 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 148 transitions [2019-12-18 23:12:07,758 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 140 places, 148 transitions [2019-12-18 23:12:07,798 INFO L126 PetriNetUnfolder]: 21/187 cut-off events. [2019-12-18 23:12:07,798 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:12:07,807 INFO L76 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 187 events. 21/187 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 586 event pairs. 44/201 useless extension candidates. Maximal degree in co-relation 156. Up to 10 conditions per place. [2019-12-18 23:12:07,827 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 140 places, 148 transitions [2019-12-18 23:12:07,880 INFO L126 PetriNetUnfolder]: 21/187 cut-off events. [2019-12-18 23:12:07,880 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:12:07,888 INFO L76 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 187 events. 21/187 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 586 event pairs. 44/201 useless extension candidates. Maximal degree in co-relation 156. Up to 10 conditions per place. [2019-12-18 23:12:07,912 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 12208 [2019-12-18 23:12:07,912 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 23:12:09,596 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-12-18 23:12:10,071 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-12-18 23:12:10,200 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-12-18 23:12:10,216 INFO L206 etLargeBlockEncoding]: Checked pairs total: 33000 [2019-12-18 23:12:10,217 INFO L214 etLargeBlockEncoding]: Total number of compositions: 113 [2019-12-18 23:12:10,217 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 58 transitions [2019-12-18 23:12:23,048 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 79061 states. [2019-12-18 23:12:23,048 INFO L276 IsEmpty]: Start isEmpty. Operand 79061 states. [2019-12-18 23:12:23,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-18 23:12:23,049 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:12:23,049 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:12:23,050 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:12:23,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:12:23,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1391652045, now seen corresponding path program 1 times [2019-12-18 23:12:23,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:12:23,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148275275] [2019-12-18 23:12:23,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:12:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:12:23,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:12:23,087 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148275275] [2019-12-18 23:12:23,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:12:23,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 23:12:23,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421119333] [2019-12-18 23:12:23,087 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:12:23,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:12:23,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:12:23,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:23,088 INFO L87 Difference]: Start difference. First operand 79061 states. Second operand 3 states. [2019-12-18 23:12:23,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:12:23,617 INFO L93 Difference]: Finished difference Result 68675 states and 346122 transitions. [2019-12-18 23:12:23,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:12:23,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-18 23:12:23,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:12:24,103 INFO L225 Difference]: With dead ends: 68675 [2019-12-18 23:12:24,103 INFO L226 Difference]: Without dead ends: 68675 [2019-12-18 23:12:24,104 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:27,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68675 states. [2019-12-18 23:12:29,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68675 to 68675. [2019-12-18 23:12:29,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68675 states. [2019-12-18 23:12:29,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68675 states to 68675 states and 346122 transitions. [2019-12-18 23:12:29,720 INFO L78 Accepts]: Start accepts. Automaton has 68675 states and 346122 transitions. Word has length 9 [2019-12-18 23:12:29,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:12:29,720 INFO L462 AbstractCegarLoop]: Abstraction has 68675 states and 346122 transitions. [2019-12-18 23:12:29,720 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:12:29,720 INFO L276 IsEmpty]: Start isEmpty. Operand 68675 states and 346122 transitions. [2019-12-18 23:12:29,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 23:12:29,721 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:12:29,721 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:12:29,721 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:12:29,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:12:29,722 INFO L82 PathProgramCache]: Analyzing trace with hash 884469132, now seen corresponding path program 1 times [2019-12-18 23:12:29,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:12:29,722 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220986813] [2019-12-18 23:12:29,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:12:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:12:29,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:12:29,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220986813] [2019-12-18 23:12:29,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:12:29,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:12:29,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089188324] [2019-12-18 23:12:29,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:12:29,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:12:29,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:12:29,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:29,759 INFO L87 Difference]: Start difference. First operand 68675 states and 346122 transitions. Second operand 3 states. [2019-12-18 23:12:33,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:12:33,413 INFO L93 Difference]: Finished difference Result 85844 states and 425500 transitions. [2019-12-18 23:12:33,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:12:33,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-12-18 23:12:33,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:12:33,807 INFO L225 Difference]: With dead ends: 85844 [2019-12-18 23:12:33,808 INFO L226 Difference]: Without dead ends: 85844 [2019-12-18 23:12:33,808 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:35,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85844 states. [2019-12-18 23:12:37,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85844 to 80121. [2019-12-18 23:12:37,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80121 states. [2019-12-18 23:12:38,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80121 states to 80121 states and 402856 transitions. [2019-12-18 23:12:38,225 INFO L78 Accepts]: Start accepts. Automaton has 80121 states and 402856 transitions. Word has length 11 [2019-12-18 23:12:38,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:12:38,225 INFO L462 AbstractCegarLoop]: Abstraction has 80121 states and 402856 transitions. [2019-12-18 23:12:38,225 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:12:38,225 INFO L276 IsEmpty]: Start isEmpty. Operand 80121 states and 402856 transitions. [2019-12-18 23:12:38,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 23:12:38,226 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:12:38,226 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:12:38,226 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:12:38,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:12:38,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1855487093, now seen corresponding path program 1 times [2019-12-18 23:12:38,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:12:38,227 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609325536] [2019-12-18 23:12:38,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:12:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:12:38,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-18 23:12:38,280 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609325536] [2019-12-18 23:12:38,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:12:38,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 23:12:38,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906166387] [2019-12-18 23:12:38,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:12:38,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:12:38,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:12:38,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:38,281 INFO L87 Difference]: Start difference. First operand 80121 states and 402856 transitions. Second operand 3 states. [2019-12-18 23:12:38,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:12:38,869 INFO L93 Difference]: Finished difference Result 87361 states and 438686 transitions. [2019-12-18 23:12:38,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:12:38,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-18 23:12:38,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:12:39,170 INFO L225 Difference]: With dead ends: 87361 [2019-12-18 23:12:39,171 INFO L226 Difference]: Without dead ends: 87361 [2019-12-18 23:12:39,171 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:44,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87361 states. [2019-12-18 23:12:46,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87361 to 87361. [2019-12-18 23:12:46,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87361 states. [2019-12-18 23:12:47,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87361 states to 87361 states and 438686 transitions. [2019-12-18 23:12:47,260 INFO L78 Accepts]: Start accepts. Automaton has 87361 states and 438686 transitions. Word has length 12 [2019-12-18 23:12:47,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:12:47,261 INFO L462 AbstractCegarLoop]: Abstraction has 87361 states and 438686 transitions. [2019-12-18 23:12:47,261 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:12:47,261 INFO L276 IsEmpty]: Start isEmpty. Operand 87361 states and 438686 transitions. [2019-12-18 23:12:47,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 23:12:47,263 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:12:47,263 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:12:47,263 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:12:47,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:12:47,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1804926704, now seen corresponding path program 2 times [2019-12-18 23:12:47,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:12:47,264 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618187574] [2019-12-18 23:12:47,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:12:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:12:47,298 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-18 23:12:47,298 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618187574] [2019-12-18 23:12:47,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:12:47,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:12:47,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66788678] [2019-12-18 23:12:47,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:12:47,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:12:47,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:12:47,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:47,300 INFO L87 Difference]: Start difference. First operand 87361 states and 438686 transitions. Second operand 3 states. [2019-12-18 23:12:47,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:12:47,987 INFO L93 Difference]: Finished difference Result 109201 states and 539268 transitions. [2019-12-18 23:12:47,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:12:47,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-18 23:12:47,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:12:49,674 INFO L225 Difference]: With dead ends: 109201 [2019-12-18 23:12:49,675 INFO L226 Difference]: Without dead ends: 109201 [2019-12-18 23:12:49,675 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:12:51,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109201 states. [2019-12-18 23:12:58,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109201 to 101921. [2019-12-18 23:12:58,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101921 states. [2019-12-18 23:12:59,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101921 states to 101921 states and 510594 transitions. [2019-12-18 23:12:59,198 INFO L78 Accepts]: Start accepts. Automaton has 101921 states and 510594 transitions. Word has length 14 [2019-12-18 23:12:59,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:12:59,199 INFO L462 AbstractCegarLoop]: Abstraction has 101921 states and 510594 transitions. [2019-12-18 23:12:59,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:12:59,199 INFO L276 IsEmpty]: Start isEmpty. Operand 101921 states and 510594 transitions. [2019-12-18 23:12:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 23:12:59,201 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:12:59,201 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:12:59,201 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:12:59,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:12:59,202 INFO L82 PathProgramCache]: Analyzing trace with hash 898348355, now seen corresponding path program 1 times [2019-12-18 23:12:59,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:12:59,202 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135221944] [2019-12-18 23:12:59,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:12:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:12:59,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:12:59,297 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135221944] [2019-12-18 23:12:59,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:12:59,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:12:59,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187839069] [2019-12-18 23:12:59,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 23:12:59,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:12:59,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 23:12:59,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 23:12:59,299 INFO L87 Difference]: Start difference. First operand 101921 states and 510594 transitions. Second operand 5 states. [2019-12-18 23:13:00,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:13:00,869 INFO L93 Difference]: Finished difference Result 105544 states and 528024 transitions. [2019-12-18 23:13:00,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 23:13:00,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-12-18 23:13:00,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:13:01,245 INFO L225 Difference]: With dead ends: 105544 [2019-12-18 23:13:01,245 INFO L226 Difference]: Without dead ends: 105544 [2019-12-18 23:13:01,246 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 23:13:07,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105544 states. [2019-12-18 23:13:09,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105544 to 99279. [2019-12-18 23:13:09,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99279 states. [2019-12-18 23:13:10,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99279 states to 99279 states and 497204 transitions. [2019-12-18 23:13:10,702 INFO L78 Accepts]: Start accepts. Automaton has 99279 states and 497204 transitions. Word has length 14 [2019-12-18 23:13:10,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:13:10,702 INFO L462 AbstractCegarLoop]: Abstraction has 99279 states and 497204 transitions. [2019-12-18 23:13:10,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 23:13:10,703 INFO L276 IsEmpty]: Start isEmpty. Operand 99279 states and 497204 transitions. [2019-12-18 23:13:10,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-18 23:13:10,707 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:13:10,707 INFO L411 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2019-12-18 23:13:10,707 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:13:10,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:13:10,707 INFO L82 PathProgramCache]: Analyzing trace with hash -240719311, now seen corresponding path program 1 times [2019-12-18 23:13:10,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:13:10,708 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700878383] [2019-12-18 23:13:10,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:13:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:13:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 23:13:10,756 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 23:13:10,756 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 23:13:10,760 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-18 23:13:10,760 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-18 23:13:10,769 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,769 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,769 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,769 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,770 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,770 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,770 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,770 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,770 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,770 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,770 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,771 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,771 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,771 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,771 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,771 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,771 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,771 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,771 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,771 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,771 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,771 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,772 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,772 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,772 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,772 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,772 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,772 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,772 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,772 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,772 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,772 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,772 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,773 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,773 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,773 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,773 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,773 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,773 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,773 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,773 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,773 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,773 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,773 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,773 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,774 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,774 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,774 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,774 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,774 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,774 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,774 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,774 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,774 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,774 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,774 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,774 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,775 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,775 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,775 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,775 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,775 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,775 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,775 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,775 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,775 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,776 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,776 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,776 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,776 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,776 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,776 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,776 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,776 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,776 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,776 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,776 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,776 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,777 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,777 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,777 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,777 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,777 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,777 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,777 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,777 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,777 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,777 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,777 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,778 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,778 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,778 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,778 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,778 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,778 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,778 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,778 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,778 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,778 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,778 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,779 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,779 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,779 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,779 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,779 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,779 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,779 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,779 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,779 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,779 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,779 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,780 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,780 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,780 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,780 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,780 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,780 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,780 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,780 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,781 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,781 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,781 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,781 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,781 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,781 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,781 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,781 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,781 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,782 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,782 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,782 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,782 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,782 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,782 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,782 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,782 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,782 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,782 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,782 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,783 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,783 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,783 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,783 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,783 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,783 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,783 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,783 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,783 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,783 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,783 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,783 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,784 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,784 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,784 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,784 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,784 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,784 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,784 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,784 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,784 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,785 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,785 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,785 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,785 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,786 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,786 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,786 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,786 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,786 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,786 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,787 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,787 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,787 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,788 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,788 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,788 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,788 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,788 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,788 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,788 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,789 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,789 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,790 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,791 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,791 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,791 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,791 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,792 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,792 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,792 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,792 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,794 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,794 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,794 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,794 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,794 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,794 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,794 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,794 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,795 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:13:10,795 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-18 23:13:10,796 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:13:10,796 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:13:10,796 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:13:10,796 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:13:10,796 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:13:10,796 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:13:10,796 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:13:10,796 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:13:10,798 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 177 transitions [2019-12-18 23:13:10,799 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 167 places, 177 transitions [2019-12-18 23:13:10,833 INFO L126 PetriNetUnfolder]: 26/226 cut-off events. [2019-12-18 23:13:10,834 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:13:10,842 INFO L76 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 226 events. 26/226 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 775 event pairs. 65/254 useless extension candidates. Maximal degree in co-relation 200. Up to 12 conditions per place. [2019-12-18 23:13:10,864 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 167 places, 177 transitions [2019-12-18 23:13:10,898 INFO L126 PetriNetUnfolder]: 26/226 cut-off events. [2019-12-18 23:13:10,898 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:13:10,907 INFO L76 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 226 events. 26/226 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 775 event pairs. 65/254 useless extension candidates. Maximal degree in co-relation 200. Up to 12 conditions per place. [2019-12-18 23:13:10,926 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 19320 [2019-12-18 23:13:10,926 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 23:13:13,134 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-12-18 23:13:13,265 INFO L206 etLargeBlockEncoding]: Checked pairs total: 52180 [2019-12-18 23:13:13,265 INFO L214 etLargeBlockEncoding]: Total number of compositions: 133 [2019-12-18 23:13:13,266 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65 places, 71 transitions Received shutdown request... [2019-12-18 23:15:58,656 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-18 23:15:58,661 WARN L227 ceAbstractionStarter]: Timeout [2019-12-18 23:15:58,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 11:15:58 BasicIcfg [2019-12-18 23:15:58,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 23:15:58,663 INFO L168 Benchmark]: Toolchain (without parser) took 241220.69 ms. Allocated memory was 136.3 MB in the beginning and 3.5 GB in the end (delta: 3.4 GB). Free memory was 98.8 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 3.3 GB. Max. memory is 7.1 GB. [2019-12-18 23:15:58,664 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 136.3 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-18 23:15:58,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 877.90 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 98.4 MB in the beginning and 132.0 MB in the end (delta: -33.6 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2019-12-18 23:15:58,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.02 ms. Allocated memory is still 200.8 MB. Free memory was 132.0 MB in the beginning and 129.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-12-18 23:15:58,674 INFO L168 Benchmark]: Boogie Preprocessor took 67.90 ms. Allocated memory is still 200.8 MB. Free memory was 129.8 MB in the beginning and 128.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-18 23:15:58,674 INFO L168 Benchmark]: RCFGBuilder took 453.44 ms. Allocated memory is still 200.8 MB. Free memory was 127.7 MB in the beginning and 106.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-12-18 23:15:58,675 INFO L168 Benchmark]: TraceAbstraction took 239751.97 ms. Allocated memory was 200.8 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 105.7 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2019-12-18 23:15:58,679 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 136.3 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 877.90 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 98.4 MB in the beginning and 132.0 MB in the end (delta: -33.6 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.02 ms. Allocated memory is still 200.8 MB. Free memory was 132.0 MB in the beginning and 129.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.90 ms. Allocated memory is still 200.8 MB. Free memory was 129.8 MB in the beginning and 128.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 453.44 ms. Allocated memory is still 200.8 MB. Free memory was 127.7 MB in the beginning and 106.4 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 239751.97 ms. Allocated memory was 200.8 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 105.7 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.9s, 59 ProgramPointsBefore, 12 ProgramPointsAfterwards, 61 TransitionsBefore, 12 TransitionsAfterwards, 616 CoEnabledTransitionPairs, 6 FixpointIterations, 20 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 4 ChoiceCompositions, 303 VarBasedMoverChecksPositive, 9 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 571 CheckedPairsTotal, 57 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 86 ProgramPointsBefore, 29 ProgramPointsAfterwards, 90 TransitionsBefore, 31 TransitionsAfterwards, 2856 CoEnabledTransitionPairs, 7 FixpointIterations, 20 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 5 ChoiceCompositions, 1508 VarBasedMoverChecksPositive, 33 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 7045 CheckedPairsTotal, 68 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.8s, 113 ProgramPointsBefore, 41 ProgramPointsAfterwards, 119 TransitionsBefore, 45 TransitionsAfterwards, 6720 CoEnabledTransitionPairs, 7 FixpointIterations, 20 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 6 ChoiceCompositions, 3316 VarBasedMoverChecksPositive, 51 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 19235 CheckedPairsTotal, 92 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.4s, 140 ProgramPointsBefore, 53 ProgramPointsAfterwards, 148 TransitionsBefore, 58 TransitionsAfterwards, 12208 CoEnabledTransitionPairs, 6 FixpointIterations, 20 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 24 ConcurrentYvCompositions, 8 ChoiceCompositions, 6023 VarBasedMoverChecksPositive, 73 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 33000 CheckedPairsTotal, 113 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.4s, 167 ProgramPointsBefore, 65 ProgramPointsAfterwards, 177 TransitionsBefore, 71 TransitionsAfterwards, 19320 CoEnabledTransitionPairs, 6 FixpointIterations, 20 TrivialSequentialCompositions, 88 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 25 ConcurrentYvCompositions, 10 ChoiceCompositions, 9706 VarBasedMoverChecksPositive, 106 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 52180 CheckedPairsTotal, 133 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 984]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 984). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 65 places, 71 transitions. Already constructed 342398 states. Currently 75294 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Result: TIMEOUT, OverallTime: 167.8s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown