/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/lazy01.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 04:38:29,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 04:38:29,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 04:38:29,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 04:38:29,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 04:38:29,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 04:38:29,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 04:38:29,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 04:38:29,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 04:38:29,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 04:38:29,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 04:38:29,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 04:38:29,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 04:38:29,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 04:38:29,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 04:38:29,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 04:38:29,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 04:38:29,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 04:38:29,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 04:38:29,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 04:38:29,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 04:38:29,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 04:38:29,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 04:38:29,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 04:38:29,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 04:38:29,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 04:38:29,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 04:38:29,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 04:38:29,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 04:38:29,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 04:38:29,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 04:38:29,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 04:38:29,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 04:38:29,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 04:38:29,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 04:38:29,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 04:38:29,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 04:38:29,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 04:38:29,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 04:38:29,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 04:38:29,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 04:38:29,538 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 [2019-12-27 04:38:29,552 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 04:38:29,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 04:38:29,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 04:38:29,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 04:38:29,556 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 04:38:29,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 04:38:29,556 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 04:38:29,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 04:38:29,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 04:38:29,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 04:38:29,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 04:38:29,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 04:38:29,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 04:38:29,558 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 04:38:29,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 04:38:29,558 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 04:38:29,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 04:38:29,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 04:38:29,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 04:38:29,559 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 04:38:29,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 04:38:29,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 04:38:29,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 04:38:29,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 04:38:29,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 04:38:29,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 04:38:29,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 04:38:29,561 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 04:38:29,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 04:38:29,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 04:38:29,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 04:38:29,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 04:38:29,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 04:38:29,886 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 04:38:29,887 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 04:38:29,888 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2019-12-27 04:38:29,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4d975ac4/b4a4da77c8b44ea68ed99e58274c6909/FLAGc722a37c5 [2019-12-27 04:38:30,457 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 04:38:30,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2019-12-27 04:38:30,492 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4d975ac4/b4a4da77c8b44ea68ed99e58274c6909/FLAGc722a37c5 [2019-12-27 04:38:30,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4d975ac4/b4a4da77c8b44ea68ed99e58274c6909 [2019-12-27 04:38:30,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 04:38:30,827 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 04:38:30,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 04:38:30,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 04:38:30,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 04:38:30,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 04:38:30" (1/1) ... [2019-12-27 04:38:30,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba2bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:38:30, skipping insertion in model container [2019-12-27 04:38:30,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 04:38:30" (1/1) ... [2019-12-27 04:38:30,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 04:38:30,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 04:38:31,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 04:38:31,440 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 04:38:31,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 04:38:31,574 INFO L208 MainTranslator]: Completed translation [2019-12-27 04:38:31,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:38:31 WrapperNode [2019-12-27 04:38:31,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 04:38:31,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 04:38:31,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 04:38:31,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 04:38:31,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:38:31" (1/1) ... [2019-12-27 04:38:31,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:38:31" (1/1) ... [2019-12-27 04:38:31,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 04:38:31,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 04:38:31,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 04:38:31,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 04:38:31,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:38:31" (1/1) ... [2019-12-27 04:38:31,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:38:31" (1/1) ... [2019-12-27 04:38:31,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:38:31" (1/1) ... [2019-12-27 04:38:31,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:38:31" (1/1) ... [2019-12-27 04:38:31,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:38:31" (1/1) ... [2019-12-27 04:38:31,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:38:31" (1/1) ... [2019-12-27 04:38:31,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:38:31" (1/1) ... [2019-12-27 04:38:31,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 04:38:31,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 04:38:31,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 04:38:31,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 04:38:31,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:38:31" (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 [2019-12-27 04:38:31,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 04:38:31,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-27 04:38:31,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-27 04:38:31,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-12-27 04:38:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-12-27 04:38:31,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2019-12-27 04:38:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2019-12-27 04:38:31,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 04:38:31,716 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 04:38:31,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 04:38:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 04:38:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 04:38:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 04:38:31,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 04:38:31,718 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 04:38:32,107 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 04:38:32,107 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-27 04:38:32,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 04:38:32 BoogieIcfgContainer [2019-12-27 04:38:32,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 04:38:32,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 04:38:32,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 04:38:32,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 04:38:32,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 04:38:30" (1/3) ... [2019-12-27 04:38:32,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b7381a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 04:38:32, skipping insertion in model container [2019-12-27 04:38:32,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:38:31" (2/3) ... [2019-12-27 04:38:32,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b7381a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 04:38:32, skipping insertion in model container [2019-12-27 04:38:32,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 04:38:32" (3/3) ... [2019-12-27 04:38:32,123 INFO L109 eAbstractionObserver]: Analyzing ICFG lazy01.i [2019-12-27 04:38:32,134 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 04:38:32,134 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 04:38:32,142 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 04:38:32,144 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 04:38:32,173 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,174 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,174 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,175 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,175 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,175 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,176 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,176 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,176 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,177 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,177 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,177 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,178 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,178 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,178 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,178 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,179 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,179 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,179 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,180 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,181 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,181 WARN L315 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,181 WARN L315 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,182 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,182 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,182 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,183 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,187 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,187 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,187 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,188 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,188 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,188 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,194 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,194 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,194 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,195 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,195 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,198 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,199 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,199 WARN L315 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,200 WARN L315 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,200 WARN L315 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:38:32,237 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 04:38:32,255 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:38:32,255 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:38:32,255 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:38:32,255 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:38:32,255 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:38:32,256 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:38:32,256 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:38:32,256 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:38:32,271 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 78 transitions [2019-12-27 04:38:32,272 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 81 places, 78 transitions [2019-12-27 04:38:32,331 INFO L132 PetriNetUnfolder]: 6/86 cut-off events. [2019-12-27 04:38:32,331 INFO L133 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2019-12-27 04:38:32,338 INFO L76 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 86 events. 6/86 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 129 event pairs. 0/84 useless extension candidates. Maximal degree in co-relation 52. Up to 6 conditions per place. [2019-12-27 04:38:32,343 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 81 places, 78 transitions [2019-12-27 04:38:32,378 INFO L132 PetriNetUnfolder]: 6/86 cut-off events. [2019-12-27 04:38:32,379 INFO L133 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2019-12-27 04:38:32,381 INFO L76 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 86 events. 6/86 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 129 event pairs. 0/84 useless extension candidates. Maximal degree in co-relation 52. Up to 6 conditions per place. [2019-12-27 04:38:32,385 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1116 [2019-12-27 04:38:32,386 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 04:38:33,883 WARN L192 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-12-27 04:38:34,015 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-12-27 04:38:34,028 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2560 [2019-12-27 04:38:34,028 INFO L214 etLargeBlockEncoding]: Total number of compositions: 44 [2019-12-27 04:38:34,032 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 38 transitions [2019-12-27 04:38:34,090 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 562 states. [2019-12-27 04:38:34,092 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states. [2019-12-27 04:38:34,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 04:38:34,102 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:38:34,103 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:38:34,103 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:38:34,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:38:34,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1645296335, now seen corresponding path program 1 times [2019-12-27 04:38:34,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:38:34,121 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732019690] [2019-12-27 04:38:34,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:38:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:38:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:38:34,324 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732019690] [2019-12-27 04:38:34,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:38:34,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 04:38:34,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487611775] [2019-12-27 04:38:34,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:38:34,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:38:34,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:38:34,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:38:34,344 INFO L87 Difference]: Start difference. First operand 562 states. Second operand 3 states. [2019-12-27 04:38:34,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:38:34,416 INFO L93 Difference]: Finished difference Result 538 states and 1407 transitions. [2019-12-27 04:38:34,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:38:34,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-27 04:38:34,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:38:34,443 INFO L225 Difference]: With dead ends: 538 [2019-12-27 04:38:34,444 INFO L226 Difference]: Without dead ends: 250 [2019-12-27 04:38:34,451 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:38:34,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-12-27 04:38:34,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2019-12-27 04:38:34,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2019-12-27 04:38:34,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 622 transitions. [2019-12-27 04:38:34,543 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 622 transitions. Word has length 8 [2019-12-27 04:38:34,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:38:34,544 INFO L462 AbstractCegarLoop]: Abstraction has 250 states and 622 transitions. [2019-12-27 04:38:34,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:38:34,544 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 622 transitions. [2019-12-27 04:38:34,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 04:38:34,546 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:38:34,546 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:38:34,546 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:38:34,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:38:34,547 INFO L82 PathProgramCache]: Analyzing trace with hash 581811827, now seen corresponding path program 1 times [2019-12-27 04:38:34,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:38:34,547 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428164025] [2019-12-27 04:38:34,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:38:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:38:34,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:38:34,654 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428164025] [2019-12-27 04:38:34,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:38:34,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:38:34,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136545868] [2019-12-27 04:38:34,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:38:34,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:38:34,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:38:34,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:38:34,658 INFO L87 Difference]: Start difference. First operand 250 states and 622 transitions. Second operand 3 states. [2019-12-27 04:38:34,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:38:34,684 INFO L93 Difference]: Finished difference Result 142 states and 253 transitions. [2019-12-27 04:38:34,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:38:34,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 04:38:34,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:38:34,687 INFO L225 Difference]: With dead ends: 142 [2019-12-27 04:38:34,687 INFO L226 Difference]: Without dead ends: 140 [2019-12-27 04:38:34,690 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:38:34,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-12-27 04:38:34,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-12-27 04:38:34,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-12-27 04:38:34,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 250 transitions. [2019-12-27 04:38:34,706 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 250 transitions. Word has length 10 [2019-12-27 04:38:34,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:38:34,707 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 250 transitions. [2019-12-27 04:38:34,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:38:34,707 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 250 transitions. [2019-12-27 04:38:34,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 04:38:34,708 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:38:34,708 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:38:34,709 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:38:34,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:38:34,709 INFO L82 PathProgramCache]: Analyzing trace with hash 861729767, now seen corresponding path program 1 times [2019-12-27 04:38:34,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:38:34,710 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602733094] [2019-12-27 04:38:34,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:38:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:38:34,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:38:34,836 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602733094] [2019-12-27 04:38:34,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:38:34,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 04:38:34,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252355350] [2019-12-27 04:38:34,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 04:38:34,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:38:34,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 04:38:34,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 04:38:34,838 INFO L87 Difference]: Start difference. First operand 140 states and 250 transitions. Second operand 4 states. [2019-12-27 04:38:34,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:38:34,864 INFO L93 Difference]: Finished difference Result 135 states and 241 transitions. [2019-12-27 04:38:34,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 04:38:34,865 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-27 04:38:34,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:38:34,868 INFO L225 Difference]: With dead ends: 135 [2019-12-27 04:38:34,868 INFO L226 Difference]: Without dead ends: 130 [2019-12-27 04:38:34,868 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 04:38:34,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-12-27 04:38:34,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-12-27 04:38:34,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-12-27 04:38:34,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 232 transitions. [2019-12-27 04:38:34,885 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 232 transitions. Word has length 11 [2019-12-27 04:38:34,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:38:34,886 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 232 transitions. [2019-12-27 04:38:34,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 04:38:34,886 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 232 transitions. [2019-12-27 04:38:34,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 04:38:34,887 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:38:34,887 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:38:34,887 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:38:34,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:38:34,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1322208688, now seen corresponding path program 1 times [2019-12-27 04:38:34,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:38:34,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162885154] [2019-12-27 04:38:34,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:38:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:38:34,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:38:34,948 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162885154] [2019-12-27 04:38:34,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:38:34,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:38:34,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245445110] [2019-12-27 04:38:34,949 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 04:38:34,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:38:34,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 04:38:34,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 04:38:34,950 INFO L87 Difference]: Start difference. First operand 130 states and 232 transitions. Second operand 5 states. [2019-12-27 04:38:34,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:38:34,978 INFO L93 Difference]: Finished difference Result 125 states and 223 transitions. [2019-12-27 04:38:34,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 04:38:34,979 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-12-27 04:38:34,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:38:34,980 INFO L225 Difference]: With dead ends: 125 [2019-12-27 04:38:34,980 INFO L226 Difference]: Without dead ends: 120 [2019-12-27 04:38:34,981 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-27 04:38:34,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-12-27 04:38:34,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-12-27 04:38:34,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-12-27 04:38:34,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 214 transitions. [2019-12-27 04:38:34,987 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 214 transitions. Word has length 12 [2019-12-27 04:38:34,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:38:34,987 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 214 transitions. [2019-12-27 04:38:34,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 04:38:34,987 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 214 transitions. [2019-12-27 04:38:34,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-27 04:38:34,989 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:38:34,989 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:38:34,989 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:38:34,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:38:34,989 INFO L82 PathProgramCache]: Analyzing trace with hash 779348326, now seen corresponding path program 1 times [2019-12-27 04:38:34,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:38:34,990 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594450160] [2019-12-27 04:38:34,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:38:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:38:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:38:35,070 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 04:38:35,070 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 04:38:35,075 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [229] [229] ULTIMATE.startENTRY-->L713: Formula: (let ((.cse2 (store |v_#valid_58| 0 0))) (let ((.cse3 (store .cse2 |v_~#mutex~0.base_33| 1))) (let ((.cse4 (store .cse3 |v_ULTIMATE.start_main_~#t1~0.base_22| 1))) (let ((.cse1 (store .cse4 |v_ULTIMATE.start_main_~#t2~0.base_20| 1)) (.cse0 (select |v_#memory_int_32| |v_~#mutex~0.base_33|))) (and (= |v_#length_29| (store (store (store (store |v_#length_31| |v_~#mutex~0.base_33| 24) |v_ULTIMATE.start_main_~#t1~0.base_22| 4) |v_ULTIMATE.start_main_~#t2~0.base_20| 4) |v_ULTIMATE.start_main_~#t3~0.base_20| 4)) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2~0.base_20|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t3~0.base_20|) (= |v_ULTIMATE.start_main_~#t1~0.offset_18| 0) (= |v_#pthreadsMutex_40| (store |v_#pthreadsMutex_41| |v_~#mutex~0.base_33| (store (select |v_#pthreadsMutex_41| |v_~#mutex~0.base_33|) |v_~#mutex~0.offset_33| 0))) (= v_~data~0_18 0) (= (select .cse0 (+ |v_~#mutex~0.offset_33| 4)) 0) (= (store .cse1 |v_ULTIMATE.start_main_~#t3~0.base_20| 1) |v_#valid_56|) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1~0.base_22|) (= 0 (select .cse0 (+ |v_~#mutex~0.offset_33| 16))) (= |v_#memory_int_31| (store |v_#memory_int_32| |v_ULTIMATE.start_main_~#t1~0.base_22| (store (select |v_#memory_int_32| |v_ULTIMATE.start_main_~#t1~0.base_22|) |v_ULTIMATE.start_main_~#t1~0.offset_18| 0))) (= (select .cse1 |v_ULTIMATE.start_main_~#t3~0.base_20|) 0) (< 0 |v_#StackHeapBarrier_15|) (= 0 (select .cse2 |v_~#mutex~0.base_33|)) (= (select .cse0 (+ |v_~#mutex~0.offset_33| 8)) 0) (= |v_ULTIMATE.start_main_~#t3~0.offset_17| 0) (= (select .cse0 (+ |v_~#mutex~0.offset_33| 12)) 0) (< |v_#StackHeapBarrier_15| |v_~#mutex~0.base_33|) (= |v_#NULL.offset_5| 0) (= (select .cse3 |v_ULTIMATE.start_main_~#t1~0.base_22|) 0) (= |v_ULTIMATE.start_main_~#t2~0.offset_16| 0) (= 0 (select .cse4 |v_ULTIMATE.start_main_~#t2~0.base_20|)) (= 0 |v_~#mutex~0.offset_33|) (= 0 |v_#NULL.base_5|) (= (select .cse0 |v_~#mutex~0.offset_33|) 0)))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_41|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_58|, #memory_int=|v_#memory_int_32|, #length=|v_#length_31|} OutVars{ULTIMATE.start_main_#t~mem10=|v_ULTIMATE.start_main_#t~mem10_13|, #pthreadsMutex=|v_#pthreadsMutex_40|, ULTIMATE.start_main_#t~mem11=|v_ULTIMATE.start_main_#t~mem11_13|, ~#mutex~0.base=|v_~#mutex~0.base_33|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_16|, ~#mutex~0.offset=|v_~#mutex~0.offset_33|, ULTIMATE.start_main_#t~nondet8=|v_ULTIMATE.start_main_#t~nondet8_7|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_~#t3~0.base=|v_ULTIMATE.start_main_~#t3~0.base_20|, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_7|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_7|, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_22|, ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_14|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_56|, #memory_int=|v_#memory_int_31|, ULTIMATE.start_main_~#t3~0.offset=|v_ULTIMATE.start_main_~#t3~0.offset_17|, #length=|v_#length_29|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_18|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_20|, ~data~0=v_~data~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem10, #pthreadsMutex, ULTIMATE.start_main_#t~mem11, ~#mutex~0.base, ULTIMATE.start_main_~#t2~0.offset, ~#mutex~0.offset, ULTIMATE.start_main_#t~nondet8, #NULL.offset, ULTIMATE.start_main_~#t3~0.base, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_#t~nondet7, #NULL.base, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#t3~0.offset, #length, ULTIMATE.start_main_~#t1~0.offset, ULTIMATE.start_main_~#t2~0.base, ~data~0] because there is no mapped edge [2019-12-27 04:38:35,075 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [195] [195] L713-1-->L714-1: Formula: (= (store |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_9| (store (select |v_#memory_int_19| |v_ULTIMATE.start_main_~#t2~0.base_9|) |v_ULTIMATE.start_main_~#t2~0.offset_8| 1)) |v_#memory_int_18|) InVars {#memory_int=|v_#memory_int_19|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_8|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_9|} OutVars{#memory_int=|v_#memory_int_18|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_8|, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_3|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_9|} AuxVars[] AssignedVars[#memory_int, ULTIMATE.start_main_#t~nondet6] because there is no mapped edge [2019-12-27 04:38:35,076 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [194] [194] L714-2-->L715-1: Formula: (= (store |v_#memory_int_17| |v_ULTIMATE.start_main_~#t3~0.base_8| (store (select |v_#memory_int_17| |v_ULTIMATE.start_main_~#t3~0.base_8|) |v_ULTIMATE.start_main_~#t3~0.offset_8| 2)) |v_#memory_int_16|) InVars {#memory_int=|v_#memory_int_17|, ULTIMATE.start_main_~#t3~0.base=|v_ULTIMATE.start_main_~#t3~0.base_8|, ULTIMATE.start_main_~#t3~0.offset=|v_ULTIMATE.start_main_~#t3~0.offset_8|} OutVars{#memory_int=|v_#memory_int_16|, ULTIMATE.start_main_~#t3~0.base=|v_ULTIMATE.start_main_~#t3~0.base_8|, ULTIMATE.start_main_~#t3~0.offset=|v_ULTIMATE.start_main_~#t3~0.offset_8|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_3|} AuxVars[] AssignedVars[#memory_int, ULTIMATE.start_main_#t~nondet7] because there is no mapped edge [2019-12-27 04:38:35,076 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [222] [222] thread1ENTRY-->L688: Formula: (let ((.cse0 (select |v_#pthreadsMutex_35| |v_~#mutex~0.base_28|))) (and (= |v_thread1Thread1of1ForFork0_#in~arg.offset_4| v_thread1Thread1of1ForFork0_~arg.offset_4) (= |v_thread1Thread1of1ForFork0_#in~arg.base_4| v_thread1Thread1of1ForFork0_~arg.base_4) (= 0 (select .cse0 |v_~#mutex~0.offset_28|)) (= (store |v_#pthreadsMutex_35| |v_~#mutex~0.base_28| (store .cse0 |v_~#mutex~0.offset_28| 1)) |v_#pthreadsMutex_34|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_35|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_4|, ~#mutex~0.base=|v_~#mutex~0.base_28|, ~#mutex~0.offset=|v_~#mutex~0.offset_28|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_4|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_34|, thread1Thread1of1ForFork0_#t~nondet2=|v_thread1Thread1of1ForFork0_#t~nondet2_7|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_4|, ~#mutex~0.base=|v_~#mutex~0.base_28|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_4, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_4, ~#mutex~0.offset=|v_~#mutex~0.offset_28|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_4|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_#t~nondet2, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base] because there is no mapped edge [2019-12-27 04:38:35,077 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [205] [205] L688-1-->L689: Formula: (= (+ |v_thread1Thread1of1ForFork0_#t~post3_7| 1) v_~data~0_13) InVars {thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_7|} OutVars{thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_6|, ~data~0=v_~data~0_13} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post3, ~data~0] because there is no mapped edge [2019-12-27 04:38:35,077 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [216] [216] L689-->thread1EXIT: Formula: (and (= |v_thread1Thread1of1ForFork0_#res.base_5| 0) (= |v_thread1Thread1of1ForFork0_#res.offset_5| 0) (= (store |v_#pthreadsMutex_33| |v_~#mutex~0.base_25| (store (select |v_#pthreadsMutex_33| |v_~#mutex~0.base_25|) |v_~#mutex~0.offset_25| 0)) |v_#pthreadsMutex_32|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_33|, ~#mutex~0.base=|v_~#mutex~0.base_25|, ~#mutex~0.offset=|v_~#mutex~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_32|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_5|, ~#mutex~0.base=|v_~#mutex~0.base_25|, ~#mutex~0.offset=|v_~#mutex~0.offset_25|, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_5|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#res.offset] because there is no mapped edge [2019-12-27 04:38:35,077 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [207] [207] thread2ENTRY-->L694-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_24| |v_~#mutex~0.base_20|))) (and (= |v_thread2Thread1of1ForFork1_#in~arg.base_4| v_thread2Thread1of1ForFork1_~arg.base_4) (= 0 (select .cse0 |v_~#mutex~0.offset_20|)) (= (store |v_#pthreadsMutex_24| |v_~#mutex~0.base_20| (store .cse0 |v_~#mutex~0.offset_20| 1)) |v_#pthreadsMutex_23|) (= |v_thread2Thread1of1ForFork1_#t~nondet4_6| 0) (= v_thread2Thread1of1ForFork1_~arg.offset_4 |v_thread2Thread1of1ForFork1_#in~arg.offset_4|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_24|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_4|, ~#mutex~0.base=|v_~#mutex~0.base_20|, ~#mutex~0.offset=|v_~#mutex~0.offset_20|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_4|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_23|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_4|, thread2Thread1of1ForFork1_~arg.base=v_thread2Thread1of1ForFork1_~arg.base_4, ~#mutex~0.base=|v_~#mutex~0.base_20|, thread2Thread1of1ForFork1_~arg.offset=v_thread2Thread1of1ForFork1_~arg.offset_4, ~#mutex~0.offset=|v_~#mutex~0.offset_20|, thread2Thread1of1ForFork1_#t~nondet4=|v_thread2Thread1of1ForFork1_#t~nondet4_6|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_4|} AuxVars[] AssignedVars[#pthreadsMutex, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_~arg.offset, thread2Thread1of1ForFork1_#t~nondet4] because there is no mapped edge [2019-12-27 04:38:35,078 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [203] [203] L694-1-->L696: Formula: (= v_~data~0_11 (+ v_~data~0_12 2)) InVars {~data~0=v_~data~0_12} OutVars{thread2Thread1of1ForFork1_#t~nondet4=|v_thread2Thread1of1ForFork1_#t~nondet4_5|, ~data~0=v_~data~0_11} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~nondet4, ~data~0] because there is no mapped edge [2019-12-27 04:38:35,078 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [214] [214] L696-->thread2EXIT: Formula: (and (= |v_thread2Thread1of1ForFork1_#res.base_5| 0) (= |v_thread2Thread1of1ForFork1_#res.offset_5| 0) (= |v_#pthreadsMutex_30| (store |v_#pthreadsMutex_31| |v_~#mutex~0.base_24| (store (select |v_#pthreadsMutex_31| |v_~#mutex~0.base_24|) |v_~#mutex~0.offset_24| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_31|, ~#mutex~0.base=|v_~#mutex~0.base_24|, ~#mutex~0.offset=|v_~#mutex~0.offset_24|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_5|, #pthreadsMutex=|v_#pthreadsMutex_30|, ~#mutex~0.base=|v_~#mutex~0.base_24|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_5|, ~#mutex~0.offset=|v_~#mutex~0.offset_24|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, #pthreadsMutex, thread2Thread1of1ForFork1_#res.base] because there is no mapped edge [2019-12-27 04:38:35,078 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [201] [201] thread3ENTRY-->L701-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_20| |v_~#mutex~0.base_18|))) (and (= |v_thread3Thread1of1ForFork2_#in~arg.offset_4| v_thread3Thread1of1ForFork2_~arg.offset_4) (= 0 (select .cse0 |v_~#mutex~0.offset_18|)) (= |v_#pthreadsMutex_19| (store |v_#pthreadsMutex_20| |v_~#mutex~0.base_18| (store .cse0 |v_~#mutex~0.offset_18| 1))) (= |v_thread3Thread1of1ForFork2_#in~arg.base_4| v_thread3Thread1of1ForFork2_~arg.base_4) (= 0 |v_thread3Thread1of1ForFork2_#t~nondet5_7|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_20|, ~#mutex~0.base=|v_~#mutex~0.base_18|, thread3Thread1of1ForFork2_#in~arg.offset=|v_thread3Thread1of1ForFork2_#in~arg.offset_4|, ~#mutex~0.offset=|v_~#mutex~0.offset_18|, thread3Thread1of1ForFork2_#in~arg.base=|v_thread3Thread1of1ForFork2_#in~arg.base_4|} OutVars{thread3Thread1of1ForFork2_#t~nondet5=|v_thread3Thread1of1ForFork2_#t~nondet5_7|, #pthreadsMutex=|v_#pthreadsMutex_19|, ~#mutex~0.base=|v_~#mutex~0.base_18|, thread3Thread1of1ForFork2_#in~arg.offset=|v_thread3Thread1of1ForFork2_#in~arg.offset_4|, ~#mutex~0.offset=|v_~#mutex~0.offset_18|, thread3Thread1of1ForFork2_~arg.offset=v_thread3Thread1of1ForFork2_~arg.offset_4, thread3Thread1of1ForFork2_#in~arg.base=|v_thread3Thread1of1ForFork2_#in~arg.base_4|, thread3Thread1of1ForFork2_~arg.base=v_thread3Thread1of1ForFork2_~arg.base_4} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~nondet5, #pthreadsMutex, thread3Thread1of1ForFork2_~arg.offset, thread3Thread1of1ForFork2_~arg.base] because there is no mapped edge [2019-12-27 04:38:35,078 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [215] [215] L701-1-->thread3Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (<= 3 v_~data~0_15) InVars {~data~0=v_~data~0_15} OutVars{thread3Thread1of1ForFork2_#t~nondet5=|v_thread3Thread1of1ForFork2_#t~nondet5_8|, ~data~0=v_~data~0_15} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_#t~nondet5] because there is no mapped edge [2019-12-27 04:38:35,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 04:38:35 BasicIcfg [2019-12-27 04:38:35,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 04:38:35,100 INFO L168 Benchmark]: Toolchain (without parser) took 4273.31 ms. Allocated memory was 143.7 MB in the beginning and 250.6 MB in the end (delta: 107.0 MB). Free memory was 100.4 MB in the beginning and 134.3 MB in the end (delta: -33.9 MB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. [2019-12-27 04:38:35,101 INFO L168 Benchmark]: CDTParser took 1.44 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-12-27 04:38:35,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.28 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 100.0 MB in the beginning and 159.4 MB in the end (delta: -59.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-12-27 04:38:35,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.22 ms. Allocated memory is still 201.3 MB. Free memory was 159.4 MB in the beginning and 157.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-27 04:38:35,104 INFO L168 Benchmark]: Boogie Preprocessor took 24.92 ms. Allocated memory is still 201.3 MB. Free memory was 157.3 MB in the beginning and 155.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 04:38:35,105 INFO L168 Benchmark]: RCFGBuilder took 465.53 ms. Allocated memory is still 201.3 MB. Free memory was 155.9 MB in the beginning and 132.8 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-12-27 04:38:35,106 INFO L168 Benchmark]: TraceAbstraction took 2988.11 ms. Allocated memory was 201.3 MB in the beginning and 250.6 MB in the end (delta: 49.3 MB). Free memory was 132.1 MB in the beginning and 134.3 MB in the end (delta: -2.2 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2019-12-27 04:38:35,110 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 746.28 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 100.0 MB in the beginning and 159.4 MB in the end (delta: -59.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.22 ms. Allocated memory is still 201.3 MB. Free memory was 159.4 MB in the beginning and 157.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.92 ms. Allocated memory is still 201.3 MB. Free memory was 157.3 MB in the beginning and 155.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 465.53 ms. Allocated memory is still 201.3 MB. Free memory was 155.9 MB in the beginning and 132.8 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2988.11 ms. Allocated memory was 201.3 MB in the beginning and 250.6 MB in the end (delta: 49.3 MB). Free memory was 132.1 MB in the beginning and 134.3 MB in the end (delta: -2.2 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.7s, 81 ProgramPointsBefore, 40 ProgramPointsAfterwards, 78 TransitionsBefore, 38 TransitionsAfterwards, 1116 CoEnabledTransitionPairs, 6 FixpointIterations, 24 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 464 VarBasedMoverChecksPositive, 22 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2560 CheckedPairsTotal, 44 TotalNumberOfCompositions - CounterExampleResult [Line: 703]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L713] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data=0, mutex={5:0}] [L714] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, data=0, mutex={5:0}] [L715] FCALL, FORK 0 pthread_create(&t3, 0, thread3, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, data=0, mutex={5:0}] [L688] 1 data++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=0, data++=0, mutex={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 72 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 116 SDtfs, 66 SDslu, 135 SDs, 0 SdLazy, 38 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=562occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...