/usr/bin/java -Xmx16000000000 -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/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 19:01:58,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 19:01:58,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 19:01:58,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 19:01:58,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 19:01:58,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 19:01:58,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 19:01:58,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 19:01:58,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 19:01:58,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 19:01:58,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 19:01:58,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 19:01:58,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 19:01:58,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 19:01:58,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 19:01:58,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 19:01:58,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 19:01:58,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 19:01:58,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 19:01:58,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 19:01:58,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 19:01:58,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 19:01:58,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 19:01:58,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 19:01:58,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-11 19:01:58,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 19:01:58,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 19:01:58,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 19:01:58,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 19:01:58,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 19:01:58,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 19:01:58,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 19:01:58,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 19:01:58,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 19:01:58,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 19:01:58,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 19:01:58,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-11 19:01:58,598 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 19:01:58,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 19:01:58,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 19:01:58,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 19:01:58,600 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 19:01:58,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 19:01:58,601 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 19:01:58,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 19:01:58,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 19:01:58,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 19:01:58,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 19:01:58,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 19:01:58,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 19:01:58,603 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 19:01:58,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 19:01:58,603 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 19:01:58,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 19:01:58,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 19:01:58,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 19:01:58,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 19:01:58,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 19:01:58,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 19:01:58,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 19:01:58,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 19:01:58,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 19:01:58,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 19:01:58,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 19:01:58,606 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 19:01:58,606 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 19:01:58,606 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 19:01:58,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 19:01:58,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 19:01:58,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 19:01:58,934 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 19:01:58,934 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 19:01:58,935 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2020-10-11 19:01:59,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9edbfafe4/e6355abd8d6b4f57935746d815674146/FLAG3a04fcf52 [2020-10-11 19:01:59,619 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 19:01:59,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2020-10-11 19:01:59,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9edbfafe4/e6355abd8d6b4f57935746d815674146/FLAG3a04fcf52 [2020-10-11 19:01:59,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9edbfafe4/e6355abd8d6b4f57935746d815674146 [2020-10-11 19:01:59,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 19:01:59,917 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 19:01:59,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 19:01:59,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 19:01:59,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 19:01:59,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:01:59" (1/1) ... [2020-10-11 19:01:59,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@687cd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:59, skipping insertion in model container [2020-10-11 19:01:59,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:01:59" (1/1) ... [2020-10-11 19:01:59,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 19:02:00,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 19:02:00,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 19:02:00,796 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 19:02:00,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 19:02:01,358 INFO L208 MainTranslator]: Completed translation [2020-10-11 19:02:01,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:01 WrapperNode [2020-10-11 19:02:01,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 19:02:01,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 19:02:01,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 19:02:01,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 19:02:01,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:01" (1/1) ... [2020-10-11 19:02:01,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:01" (1/1) ... [2020-10-11 19:02:01,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 19:02:01,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 19:02:01,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 19:02:01,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 19:02:01,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:01" (1/1) ... [2020-10-11 19:02:01,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:01" (1/1) ... [2020-10-11 19:02:01,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:01" (1/1) ... [2020-10-11 19:02:01,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:01" (1/1) ... [2020-10-11 19:02:01,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:01" (1/1) ... [2020-10-11 19:02:01,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:01" (1/1) ... [2020-10-11 19:02:01,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:01" (1/1) ... [2020-10-11 19:02:01,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 19:02:01,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 19:02:01,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 19:02:01,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 19:02:01,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:01" (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 [2020-10-11 19:02:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 19:02:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 19:02:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-11 19:02:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-11 19:02:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 19:02:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 19:02:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-11 19:02:01,642 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-11 19:02:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 19:02:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 19:02:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-11 19:02:01,646 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 19:02:02,389 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 19:02:02,389 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-11 19:02:02,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:02:02 BoogieIcfgContainer [2020-10-11 19:02:02,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 19:02:02,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 19:02:02,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 19:02:02,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 19:02:02,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:01:59" (1/3) ... [2020-10-11 19:02:02,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14bae2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:02:02, skipping insertion in model container [2020-10-11 19:02:02,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:01" (2/3) ... [2020-10-11 19:02:02,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14bae2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:02:02, skipping insertion in model container [2020-10-11 19:02:02,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:02:02" (3/3) ... [2020-10-11 19:02:02,400 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2020-10-11 19:02:02,413 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 19:02:02,421 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-11 19:02:02,422 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 19:02:02,455 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,456 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,456 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,456 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,456 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,456 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,456 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,457 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,457 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,457 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,457 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,457 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,457 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,458 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,458 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,458 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,458 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,458 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,459 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,459 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,459 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,459 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,459 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,460 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,460 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,460 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,460 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,461 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,461 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,461 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,461 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,461 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,462 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,462 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,462 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,462 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,463 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,463 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,463 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,463 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,463 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,464 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,464 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,464 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,464 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,464 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,465 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,465 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,465 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,465 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,466 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,466 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,466 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,466 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,466 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,466 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,467 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,467 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,467 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,468 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,468 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,468 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,468 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,468 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,469 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,469 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,469 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,469 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,470 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,470 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,473 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,474 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,474 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,474 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,474 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,475 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,475 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,475 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,475 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,475 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,476 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,476 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,482 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,482 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,483 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,483 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,483 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,483 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,483 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,484 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,484 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,484 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,484 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,484 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:02,515 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-11 19:02:02,535 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 19:02:02,535 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 19:02:02,536 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 19:02:02,536 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 19:02:02,536 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 19:02:02,536 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 19:02:02,536 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 19:02:02,536 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 19:02:02,551 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 336 flow [2020-10-11 19:02:02,634 INFO L129 PetriNetUnfolder]: 13/215 cut-off events. [2020-10-11 19:02:02,634 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-11 19:02:02,642 INFO L80 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 215 events. 13/215 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 443 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 97. Up to 4 conditions per place. [2020-10-11 19:02:02,642 INFO L82 GeneralOperation]: Start removeDead. Operand has 153 places, 157 transitions, 336 flow [2020-10-11 19:02:02,650 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 146 transitions, 310 flow [2020-10-11 19:02:02,676 INFO L129 PetriNetUnfolder]: 1/91 cut-off events. [2020-10-11 19:02:02,676 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 19:02:02,677 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:02,678 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:02:02,678 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 19:02:02,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:02,685 INFO L82 PathProgramCache]: Analyzing trace with hash 285255635, now seen corresponding path program 1 times [2020-10-11 19:02:02,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:02,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562243302] [2020-10-11 19:02:02,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:03,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:02:03,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562243302] [2020-10-11 19:02:03,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:03,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 19:02:03,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310819071] [2020-10-11 19:02:03,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 19:02:03,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:03,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 19:02:03,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 19:02:04,476 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 157 [2020-10-11 19:02:04,478 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 146 transitions, 310 flow. Second operand 6 states. [2020-10-11 19:02:04,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:04,479 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 157 [2020-10-11 19:02:04,481 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:05,061 INFO L129 PetriNetUnfolder]: 364/1199 cut-off events. [2020-10-11 19:02:05,061 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-11 19:02:05,071 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1942 conditions, 1199 events. 364/1199 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 8071 event pairs, 82 based on Foata normal form. 22/1191 useless extension candidates. Maximal degree in co-relation 1651. Up to 331 conditions per place. [2020-10-11 19:02:05,088 INFO L132 encePairwiseOnDemand]: 131/157 looper letters, 62 selfloop transitions, 48 changer transitions 0/205 dead transitions. [2020-10-11 19:02:05,088 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 205 transitions, 648 flow [2020-10-11 19:02:05,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-11 19:02:05,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-11 19:02:05,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1559 transitions. [2020-10-11 19:02:05,129 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7092811646951774 [2020-10-11 19:02:05,130 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1559 transitions. [2020-10-11 19:02:05,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1559 transitions. [2020-10-11 19:02:05,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:05,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1559 transitions. [2020-10-11 19:02:05,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-11 19:02:05,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-11 19:02:05,194 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-11 19:02:05,199 INFO L185 Difference]: Start difference. First operand has 144 places, 146 transitions, 310 flow. Second operand 14 states and 1559 transitions. [2020-10-11 19:02:05,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 205 transitions, 648 flow [2020-10-11 19:02:05,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 205 transitions, 636 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-11 19:02:05,221 INFO L241 Difference]: Finished difference. Result has 161 places, 180 transitions, 590 flow [2020-10-11 19:02:05,226 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=590, PETRI_PLACES=161, PETRI_TRANSITIONS=180} [2020-10-11 19:02:05,228 INFO L341 CegarLoopForPetriNet]: 144 programPoint places, 17 predicate places. [2020-10-11 19:02:05,228 INFO L481 AbstractCegarLoop]: Abstraction has has 161 places, 180 transitions, 590 flow [2020-10-11 19:02:05,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 19:02:05,229 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:05,229 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:02:05,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 19:02:05,232 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 19:02:05,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:05,232 INFO L82 PathProgramCache]: Analyzing trace with hash -715758526, now seen corresponding path program 1 times [2020-10-11 19:02:05,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:05,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031279441] [2020-10-11 19:02:05,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:05,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:02:05,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031279441] [2020-10-11 19:02:05,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:05,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 19:02:05,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900949470] [2020-10-11 19:02:05,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 19:02:05,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:05,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 19:02:05,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 19:02:06,390 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 157 [2020-10-11 19:02:06,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 180 transitions, 590 flow. Second operand 6 states. [2020-10-11 19:02:06,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:06,391 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 157 [2020-10-11 19:02:06,391 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:07,009 INFO L129 PetriNetUnfolder]: 516/1582 cut-off events. [2020-10-11 19:02:07,009 INFO L130 PetriNetUnfolder]: For 7742/7742 co-relation queries the response was YES. [2020-10-11 19:02:07,019 INFO L80 FinitePrefix]: Finished finitePrefix Result has 5726 conditions, 1582 events. 516/1582 cut-off events. For 7742/7742 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 11406 event pairs, 95 based on Foata normal form. 26/1600 useless extension candidates. Maximal degree in co-relation 5096. Up to 488 conditions per place. [2020-10-11 19:02:07,032 INFO L132 encePairwiseOnDemand]: 138/157 looper letters, 52 selfloop transitions, 44 changer transitions 59/251 dead transitions. [2020-10-11 19:02:07,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 251 transitions, 1567 flow [2020-10-11 19:02:07,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-11 19:02:07,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-11 19:02:07,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1231 transitions. [2020-10-11 19:02:07,037 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7127967573827446 [2020-10-11 19:02:07,038 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1231 transitions. [2020-10-11 19:02:07,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1231 transitions. [2020-10-11 19:02:07,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:07,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1231 transitions. [2020-10-11 19:02:07,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-11 19:02:07,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-11 19:02:07,046 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-11 19:02:07,046 INFO L185 Difference]: Start difference. First operand has 161 places, 180 transitions, 590 flow. Second operand 11 states and 1231 transitions. [2020-10-11 19:02:07,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 251 transitions, 1567 flow [2020-10-11 19:02:07,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 251 transitions, 1567 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-11 19:02:07,071 INFO L241 Difference]: Finished difference. Result has 179 places, 184 transitions, 900 flow [2020-10-11 19:02:07,071 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=900, PETRI_PLACES=179, PETRI_TRANSITIONS=184} [2020-10-11 19:02:07,072 INFO L341 CegarLoopForPetriNet]: 144 programPoint places, 35 predicate places. [2020-10-11 19:02:07,073 INFO L481 AbstractCegarLoop]: Abstraction has has 179 places, 184 transitions, 900 flow [2020-10-11 19:02:07,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 19:02:07,073 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:07,073 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:02:07,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 19:02:07,074 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 19:02:07,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:07,075 INFO L82 PathProgramCache]: Analyzing trace with hash 2072838198, now seen corresponding path program 1 times [2020-10-11 19:02:07,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:07,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368611966] [2020-10-11 19:02:07,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:02:07,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368611966] [2020-10-11 19:02:07,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:07,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 19:02:07,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833017752] [2020-10-11 19:02:07,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 19:02:07,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:07,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 19:02:07,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 19:02:07,354 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 157 [2020-10-11 19:02:07,355 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 184 transitions, 900 flow. Second operand 5 states. [2020-10-11 19:02:07,355 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:07,355 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 157 [2020-10-11 19:02:07,355 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:07,424 INFO L129 PetriNetUnfolder]: 5/206 cut-off events. [2020-10-11 19:02:07,424 INFO L130 PetriNetUnfolder]: For 467/527 co-relation queries the response was YES. [2020-10-11 19:02:07,426 INFO L80 FinitePrefix]: Finished finitePrefix Result has 406 conditions, 206 events. 5/206 cut-off events. For 467/527 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 516 event pairs, 4 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 387. Up to 13 conditions per place. [2020-10-11 19:02:07,429 INFO L132 encePairwiseOnDemand]: 152/157 looper letters, 4 selfloop transitions, 4 changer transitions 0/120 dead transitions. [2020-10-11 19:02:07,430 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 120 transitions, 380 flow [2020-10-11 19:02:07,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 19:02:07,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-11 19:02:07,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 855 transitions. [2020-10-11 19:02:07,441 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9076433121019108 [2020-10-11 19:02:07,442 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 855 transitions. [2020-10-11 19:02:07,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 855 transitions. [2020-10-11 19:02:07,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:07,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 855 transitions. [2020-10-11 19:02:07,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-11 19:02:07,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-11 19:02:07,446 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-11 19:02:07,447 INFO L185 Difference]: Start difference. First operand has 179 places, 184 transitions, 900 flow. Second operand 6 states and 855 transitions. [2020-10-11 19:02:07,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 120 transitions, 380 flow [2020-10-11 19:02:07,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 120 transitions, 270 flow, removed 40 selfloop flow, removed 15 redundant places. [2020-10-11 19:02:07,454 INFO L241 Difference]: Finished difference. Result has 131 places, 120 transitions, 262 flow [2020-10-11 19:02:07,455 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=262, PETRI_PLACES=131, PETRI_TRANSITIONS=120} [2020-10-11 19:02:07,455 INFO L341 CegarLoopForPetriNet]: 144 programPoint places, -13 predicate places. [2020-10-11 19:02:07,455 INFO L481 AbstractCegarLoop]: Abstraction has has 131 places, 120 transitions, 262 flow [2020-10-11 19:02:07,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 19:02:07,456 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:07,456 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:02:07,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 19:02:07,461 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 19:02:07,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:07,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1198267979, now seen corresponding path program 1 times [2020-10-11 19:02:07,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:07,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123756265] [2020-10-11 19:02:07,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:02:07,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123756265] [2020-10-11 19:02:07,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:07,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 19:02:07,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497382867] [2020-10-11 19:02:07,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 19:02:07,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:07,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 19:02:07,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 19:02:08,712 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 157 [2020-10-11 19:02:08,714 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 120 transitions, 262 flow. Second operand 6 states. [2020-10-11 19:02:08,714 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:08,714 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 157 [2020-10-11 19:02:08,714 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:09,001 INFO L129 PetriNetUnfolder]: 119/632 cut-off events. [2020-10-11 19:02:09,001 INFO L130 PetriNetUnfolder]: For 120/120 co-relation queries the response was YES. [2020-10-11 19:02:09,003 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1097 conditions, 632 events. 119/632 cut-off events. For 120/120 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3592 event pairs, 34 based on Foata normal form. 0/613 useless extension candidates. Maximal degree in co-relation 1089. Up to 145 conditions per place. [2020-10-11 19:02:09,009 INFO L132 encePairwiseOnDemand]: 139/157 looper letters, 43 selfloop transitions, 43 changer transitions 0/172 dead transitions. [2020-10-11 19:02:09,009 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 172 transitions, 606 flow [2020-10-11 19:02:09,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 19:02:09,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-11 19:02:09,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1440 transitions. [2020-10-11 19:02:09,014 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7055365017148456 [2020-10-11 19:02:09,014 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1440 transitions. [2020-10-11 19:02:09,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1440 transitions. [2020-10-11 19:02:09,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:09,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1440 transitions. [2020-10-11 19:02:09,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-11 19:02:09,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-11 19:02:09,023 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-11 19:02:09,023 INFO L185 Difference]: Start difference. First operand has 131 places, 120 transitions, 262 flow. Second operand 13 states and 1440 transitions. [2020-10-11 19:02:09,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 172 transitions, 606 flow [2020-10-11 19:02:09,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 172 transitions, 599 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-11 19:02:09,028 INFO L241 Difference]: Finished difference. Result has 147 places, 157 transitions, 566 flow [2020-10-11 19:02:09,028 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=566, PETRI_PLACES=147, PETRI_TRANSITIONS=157} [2020-10-11 19:02:09,029 INFO L341 CegarLoopForPetriNet]: 144 programPoint places, 3 predicate places. [2020-10-11 19:02:09,029 INFO L481 AbstractCegarLoop]: Abstraction has has 147 places, 157 transitions, 566 flow [2020-10-11 19:02:09,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 19:02:09,029 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:09,029 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:02:09,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 19:02:09,030 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 19:02:09,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:09,030 INFO L82 PathProgramCache]: Analyzing trace with hash 299233824, now seen corresponding path program 1 times [2020-10-11 19:02:09,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:09,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989686276] [2020-10-11 19:02:09,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 19:02:09,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989686276] [2020-10-11 19:02:09,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:09,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 19:02:09,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738400492] [2020-10-11 19:02:09,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 19:02:09,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:09,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 19:02:09,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 19:02:10,131 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 157 [2020-10-11 19:02:10,132 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 157 transitions, 566 flow. Second operand 6 states. [2020-10-11 19:02:10,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:10,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 157 [2020-10-11 19:02:10,132 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:10,499 INFO L129 PetriNetUnfolder]: 165/810 cut-off events. [2020-10-11 19:02:10,499 INFO L130 PetriNetUnfolder]: For 3038/3038 co-relation queries the response was YES. [2020-10-11 19:02:10,503 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2428 conditions, 810 events. 165/810 cut-off events. For 3038/3038 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 5159 event pairs, 34 based on Foata normal form. 14/820 useless extension candidates. Maximal degree in co-relation 2413. Up to 183 conditions per place. [2020-10-11 19:02:10,508 INFO L132 encePairwiseOnDemand]: 139/157 looper letters, 54 selfloop transitions, 81 changer transitions 0/224 dead transitions. [2020-10-11 19:02:10,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 224 transitions, 1449 flow [2020-10-11 19:02:10,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 19:02:10,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-11 19:02:10,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1441 transitions. [2020-10-11 19:02:10,513 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7060264576188143 [2020-10-11 19:02:10,513 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1441 transitions. [2020-10-11 19:02:10,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1441 transitions. [2020-10-11 19:02:10,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:10,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1441 transitions. [2020-10-11 19:02:10,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-11 19:02:10,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-11 19:02:10,521 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-11 19:02:10,521 INFO L185 Difference]: Start difference. First operand has 147 places, 157 transitions, 566 flow. Second operand 13 states and 1441 transitions. [2020-10-11 19:02:10,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 224 transitions, 1449 flow [2020-10-11 19:02:10,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 224 transitions, 1353 flow, removed 48 selfloop flow, removed 0 redundant places. [2020-10-11 19:02:10,532 INFO L241 Difference]: Finished difference. Result has 169 places, 208 transitions, 1248 flow [2020-10-11 19:02:10,533 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1248, PETRI_PLACES=169, PETRI_TRANSITIONS=208} [2020-10-11 19:02:10,533 INFO L341 CegarLoopForPetriNet]: 144 programPoint places, 25 predicate places. [2020-10-11 19:02:10,533 INFO L481 AbstractCegarLoop]: Abstraction has has 169 places, 208 transitions, 1248 flow [2020-10-11 19:02:10,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 19:02:10,533 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:10,534 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 19:02:10,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 19:02:10,534 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 19:02:10,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:10,534 INFO L82 PathProgramCache]: Analyzing trace with hash 601386627, now seen corresponding path program 1 times [2020-10-11 19:02:10,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:10,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397980349] [2020-10-11 19:02:10,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 19:02:10,624 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 19:02:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 19:02:10,714 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 19:02:10,773 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 19:02:10,774 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 19:02:10,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 19:02:10,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 07:02:10 BasicIcfg [2020-10-11 19:02:10,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 19:02:10,908 INFO L168 Benchmark]: Toolchain (without parser) took 10990.53 ms. Allocated memory was 249.0 MB in the beginning and 508.0 MB in the end (delta: 259.0 MB). Free memory was 201.0 MB in the beginning and 266.9 MB in the end (delta: -65.9 MB). Peak memory consumption was 193.1 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:10,909 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 249.0 MB. Free memory is still 225.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 19:02:10,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1441.51 ms. Allocated memory was 249.0 MB in the beginning and 352.8 MB in the end (delta: 103.8 MB). Free memory was 201.0 MB in the beginning and 312.3 MB in the end (delta: -111.3 MB). Peak memory consumption was 108.6 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:10,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.64 ms. Allocated memory is still 352.8 MB. Free memory was 312.3 MB in the beginning and 308.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:10,918 INFO L168 Benchmark]: Boogie Preprocessor took 66.98 ms. Allocated memory is still 352.8 MB. Free memory was 308.9 MB in the beginning and 305.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:10,918 INFO L168 Benchmark]: RCFGBuilder took 878.16 ms. Allocated memory is still 352.8 MB. Free memory was 305.5 MB in the beginning and 259.0 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:10,919 INFO L168 Benchmark]: TraceAbstraction took 8512.43 ms. Allocated memory was 352.8 MB in the beginning and 508.0 MB in the end (delta: 155.2 MB). Free memory was 255.6 MB in the beginning and 266.9 MB in the end (delta: -11.3 MB). Peak memory consumption was 143.9 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:10,930 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 249.0 MB. Free memory is still 225.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1441.51 ms. Allocated memory was 249.0 MB in the beginning and 352.8 MB in the end (delta: 103.8 MB). Free memory was 201.0 MB in the beginning and 312.3 MB in the end (delta: -111.3 MB). Peak memory consumption was 108.6 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 86.64 ms. Allocated memory is still 352.8 MB. Free memory was 312.3 MB in the beginning and 308.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 66.98 ms. Allocated memory is still 352.8 MB. Free memory was 308.9 MB in the beginning and 305.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * RCFGBuilder took 878.16 ms. Allocated memory is still 352.8 MB. Free memory was 305.5 MB in the beginning and 259.0 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 8512.43 ms. Allocated memory was 352.8 MB in the beginning and 508.0 MB in the end (delta: 155.2 MB). Free memory was 255.6 MB in the beginning and 266.9 MB in the end (delta: -11.3 MB). Peak memory consumption was 143.9 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1,t2; VAL [t1={5:0}, t2={6:0}] [L1731] 0 return 0; VAL [t1={5:0}, t2={6:0}] [L1737] 0 int ret = my_drv_init(); VAL [t1={5:0}, t2={6:0}] [L1738] COND TRUE 0 ret==0 VAL [t1={5:0}, t2={6:0}] [L1739] 0 int probe_ret; VAL [t1={5:0}, t2={6:0}] [L1740] 0 struct my_data data; VAL [t1={5:0}, t2={6:0}] [L1706] 0 struct device *d = &data->dev; VAL [t1={5:0}, t2={6:0}] [L1708] 0 data->shared.a = 0 VAL [t1={5:0}, t2={6:0}] [L1709] 0 data->shared.b = 0 VAL [t1={5:0}, t2={6:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [t1={5:0}, t2={6:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [t1={5:0}, t2={6:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={7:24}, t1={5:0}, t2={6:0}] [L1696] 1 struct device *dev = (struct device*)arg; VAL [arg={7:24}, arg={7:24}, dev={7:24}, t1={5:0}, t2={6:0}] [L1697] 1 struct my_data *data; VAL [arg={7:24}, arg={7:24}, dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1700] 1 data->shared.a = 1 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1701] EXPR 1 data->shared.b VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, data->shared.b=0, dev={7:24}, t1={5:0}, t2={6:0}] [L1701] 1 data->shared.b = data->shared.b + 1 VAL [__mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, data->shared.b=0, dev={7:24}, t1={5:0}, t2={6:0}] [L1703] 1 return 0; VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1715] 0 return 0; VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1741] 0 probe_ret = my_drv_probe(&data) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1742] COND TRUE 0 probe_ret==0 VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1721] 0 void *status; VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1722] 0 \read(t1) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1723] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1696] 2 struct device *dev = (struct device*)arg; VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1697] 2 struct my_data *data; VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1698] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1700] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1724] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1725] 0 data->shared.a VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1682] COND TRUE 0 !expression VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] [L1682] 0 __VERIFIER_error() VAL [\result={0:0}, __mptr={7:24}, arg={7:24}, arg={7:24}, data={7:0}, dev={7:24}, t1={5:0}, t2={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 132 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 8.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 374 SDtfs, 637 SDslu, 1302 SDs, 0 SdLazy, 1258 SolverSat, 153 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred in iteration=5, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 385 NumberOfCodeBlocks, 385 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 33143 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...