/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_4-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 19:01:56,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 19:01:56,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 19:01:56,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 19:01:56,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 19:01:56,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 19:01:56,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 19:01:56,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 19:01:56,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 19:01:56,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 19:01:56,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 19:01:56,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 19:01:56,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 19:01:56,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 19:01:56,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 19:01:56,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 19:01:56,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 19:01:56,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 19:01:56,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 19:01:56,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 19:01:56,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 19:01:56,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 19:01:56,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 19:01:56,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 19:01:56,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 19:01:56,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 19:01:56,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 19:01:56,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 19:01:56,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 19:01:56,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 19:01:56,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 19:01:56,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 19:01:56,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 19:01:56,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 19:01:56,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 19:01:56,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 19:01:56,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 19:01:56,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 19:01:56,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 19:01:56,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 19:01:56,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 19:01:56,440 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 19:01:56,462 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 19:01:56,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 19:01:56,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 19:01:56,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 19:01:56,464 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 19:01:56,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 19:01:56,465 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 19:01:56,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 19:01:56,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 19:01:56,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 19:01:56,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 19:01:56,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 19:01:56,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 19:01:56,466 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 19:01:56,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 19:01:56,466 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 19:01:56,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 19:01:56,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 19:01:56,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 19:01:56,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 19:01:56,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 19:01:56,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 19:01:56,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 19:01:56,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 19:01:56,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 19:01:56,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 19:01:56,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 19:01:56,469 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 19:01:56,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 19:01:56,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 19:01:56,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 19:01:56,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 19:01:56,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 19:01:56,787 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 19:01:56,788 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 19:01:56,788 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2020-10-11 19:01:56,858 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4333be9e1/cfa8784251ee451284dda8615a41bbe0/FLAGdfa4d0921 [2020-10-11 19:01:57,480 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 19:01:57,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_4-container_of.i [2020-10-11 19:01:57,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4333be9e1/cfa8784251ee451284dda8615a41bbe0/FLAGdfa4d0921 [2020-10-11 19:01:57,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4333be9e1/cfa8784251ee451284dda8615a41bbe0 [2020-10-11 19:01:57,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 19:01:57,683 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 19:01:57,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 19:01:57,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 19:01:57,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 19:01:57,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:01:57" (1/1) ... [2020-10-11 19:01:57,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6439194f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:57, skipping insertion in model container [2020-10-11 19:01:57,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:01:57" (1/1) ... [2020-10-11 19:01:57,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 19:01:57,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 19:01:58,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 19:01:58,594 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 19:01:58,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 19:01:59,125 INFO L208 MainTranslator]: Completed translation [2020-10-11 19:01:59,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:59 WrapperNode [2020-10-11 19:01:59,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 19:01:59,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 19:01:59,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 19:01:59,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 19:01:59,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:59" (1/1) ... [2020-10-11 19:01:59,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:59" (1/1) ... [2020-10-11 19:01:59,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 19:01:59,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 19:01:59,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 19:01:59,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 19:01:59,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:59" (1/1) ... [2020-10-11 19:01:59,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:59" (1/1) ... [2020-10-11 19:01:59,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:59" (1/1) ... [2020-10-11 19:01:59,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:59" (1/1) ... [2020-10-11 19:01:59,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:59" (1/1) ... [2020-10-11 19:01:59,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:59" (1/1) ... [2020-10-11 19:01:59,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:59" (1/1) ... [2020-10-11 19:01:59,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 19:01:59,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 19:01:59,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 19:01:59,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 19:01:59,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:59" (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 19:01:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 19:01:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 19:01:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-11 19:01:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-11 19:01:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 19:01:59,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 19:01:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-11 19:01:59,357 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-11 19:01:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 19:01:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 19:01:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-11 19:01:59,359 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 19:02:00,005 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 19:02:00,006 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-11 19:02:00,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:02:00 BoogieIcfgContainer [2020-10-11 19:02:00,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 19:02:00,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 19:02:00,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 19:02:00,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 19:02:00,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:01:57" (1/3) ... [2020-10-11 19:02:00,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351273e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:02:00, skipping insertion in model container [2020-10-11 19:02:00,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:59" (2/3) ... [2020-10-11 19:02:00,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351273e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:02:00, skipping insertion in model container [2020-10-11 19:02:00,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:02:00" (3/3) ... [2020-10-11 19:02:00,016 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_4-container_of.i [2020-10-11 19:02:00,028 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 19:02:00,036 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-11 19:02:00,037 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 19:02:00,070 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,070 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,070 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,071 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,071 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,071 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,071 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,072 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,072 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,072 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,072 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,072 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,072 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,073 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,074 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,074 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,074 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,075 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,075 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,075 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,075 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,075 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,076 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,076 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,077 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,077 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,077 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,077 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,078 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,078 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,078 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,078 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,078 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,081 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,082 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,083 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,083 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,084 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,084 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,084 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,088 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,088 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,089 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,089 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,089 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,089 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,090 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,090 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,090 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,090 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,090 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,090 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,099 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,099 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,099 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,100 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,100 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,100 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,100 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,101 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,101 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,101 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,101 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,101 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 19:02:00,126 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-11 19:02:00,147 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 19:02:00,148 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 19:02:00,148 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 19:02:00,148 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 19:02:00,148 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 19:02:00,148 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 19:02:00,148 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 19:02:00,148 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 19:02:00,166 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 157 transitions, 336 flow [2020-10-11 19:02:00,249 INFO L129 PetriNetUnfolder]: 13/215 cut-off events. [2020-10-11 19:02:00,249 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-11 19:02:00,256 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 7. Compared 513 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 109. Up to 4 conditions per place. [2020-10-11 19:02:00,257 INFO L82 GeneralOperation]: Start removeDead. Operand has 153 places, 157 transitions, 336 flow [2020-10-11 19:02:00,265 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 146 transitions, 310 flow [2020-10-11 19:02:00,288 INFO L129 PetriNetUnfolder]: 1/91 cut-off events. [2020-10-11 19:02:00,288 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 19:02:00,288 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:00,290 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 19:02:00,290 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 19:02:00,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:00,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1491282841, now seen corresponding path program 1 times [2020-10-11 19:02:00,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:00,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075859847] [2020-10-11 19:02:00,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:00,904 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 19:02:00,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075859847] [2020-10-11 19:02:00,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:00,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 19:02:00,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640712159] [2020-10-11 19:02:00,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 19:02:00,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:00,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 19:02:00,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 19:02:01,885 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 157 [2020-10-11 19:02:01,889 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 146 transitions, 310 flow. Second operand 6 states. [2020-10-11 19:02:01,890 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:01,890 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 157 [2020-10-11 19:02:01,891 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:02,456 INFO L129 PetriNetUnfolder]: 460/1408 cut-off events. [2020-10-11 19:02:02,456 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2020-10-11 19:02:02,466 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2297 conditions, 1408 events. 460/1408 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 10076 event pairs, 150 based on Foata normal form. 30/1396 useless extension candidates. Maximal degree in co-relation 2116. Up to 429 conditions per place. [2020-10-11 19:02:02,488 INFO L132 encePairwiseOnDemand]: 131/157 looper letters, 62 selfloop transitions, 48 changer transitions 0/205 dead transitions. [2020-10-11 19:02:02,488 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 205 transitions, 648 flow [2020-10-11 19:02:02,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-11 19:02:02,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-11 19:02:02,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1559 transitions. [2020-10-11 19:02:02,527 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7092811646951774 [2020-10-11 19:02:02,528 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1559 transitions. [2020-10-11 19:02:02,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1559 transitions. [2020-10-11 19:02:02,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:02,543 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1559 transitions. [2020-10-11 19:02:02,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-11 19:02:02,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-11 19:02:02,594 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-11 19:02:02,598 INFO L185 Difference]: Start difference. First operand has 144 places, 146 transitions, 310 flow. Second operand 14 states and 1559 transitions. [2020-10-11 19:02:02,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 205 transitions, 648 flow [2020-10-11 19:02:02,616 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 19:02:02,628 INFO L241 Difference]: Finished difference. Result has 161 places, 180 transitions, 590 flow [2020-10-11 19:02:02,631 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 19:02:02,632 INFO L341 CegarLoopForPetriNet]: 144 programPoint places, 17 predicate places. [2020-10-11 19:02:02,633 INFO L481 AbstractCegarLoop]: Abstraction has has 161 places, 180 transitions, 590 flow [2020-10-11 19:02:02,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 19:02:02,633 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:02,634 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] [2020-10-11 19:02:02,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 19:02:02,636 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 19:02:02,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:02,637 INFO L82 PathProgramCache]: Analyzing trace with hash -75883119, now seen corresponding path program 1 times [2020-10-11 19:02:02,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:02,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205744595] [2020-10-11 19:02:02,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:02,796 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 19:02:02,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205744595] [2020-10-11 19:02:02,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:02,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 19:02:02,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760281903] [2020-10-11 19:02:02,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 19:02:02,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:02,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 19:02:02,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 19:02:02,875 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 157 [2020-10-11 19:02:02,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 180 transitions, 590 flow. Second operand 5 states. [2020-10-11 19:02:02,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:02,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 157 [2020-10-11 19:02:02,876 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:03,046 INFO L129 PetriNetUnfolder]: 161/746 cut-off events. [2020-10-11 19:02:03,046 INFO L130 PetriNetUnfolder]: For 1410/1443 co-relation queries the response was YES. [2020-10-11 19:02:03,052 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1892 conditions, 746 events. 161/746 cut-off events. For 1410/1443 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 4686 event pairs, 44 based on Foata normal form. 4/736 useless extension candidates. Maximal degree in co-relation 1683. Up to 169 conditions per place. [2020-10-11 19:02:03,059 INFO L132 encePairwiseOnDemand]: 152/157 looper letters, 8 selfloop transitions, 4 changer transitions 0/183 dead transitions. [2020-10-11 19:02:03,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 183 transitions, 620 flow [2020-10-11 19:02:03,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 19:02:03,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-11 19:02:03,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 865 transitions. [2020-10-11 19:02:03,062 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9182590233545648 [2020-10-11 19:02:03,063 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 865 transitions. [2020-10-11 19:02:03,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 865 transitions. [2020-10-11 19:02:03,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:03,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 865 transitions. [2020-10-11 19:02:03,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-11 19:02:03,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-11 19:02:03,068 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-11 19:02:03,068 INFO L185 Difference]: Start difference. First operand has 161 places, 180 transitions, 590 flow. Second operand 6 states and 865 transitions. [2020-10-11 19:02:03,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 183 transitions, 620 flow [2020-10-11 19:02:03,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 183 transitions, 620 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-11 19:02:03,082 INFO L241 Difference]: Finished difference. Result has 170 places, 183 transitions, 619 flow [2020-10-11 19:02:03,082 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=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=619, PETRI_PLACES=170, PETRI_TRANSITIONS=183} [2020-10-11 19:02:03,083 INFO L341 CegarLoopForPetriNet]: 144 programPoint places, 26 predicate places. [2020-10-11 19:02:03,083 INFO L481 AbstractCegarLoop]: Abstraction has has 170 places, 183 transitions, 619 flow [2020-10-11 19:02:03,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 19:02:03,084 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:03,084 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 19:02:03,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 19:02:03,084 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 19:02:03,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:03,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1088735114, now seen corresponding path program 1 times [2020-10-11 19:02:03,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:03,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131144887] [2020-10-11 19:02:03,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:03,226 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 19:02:03,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131144887] [2020-10-11 19:02:03,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:03,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 19:02:03,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176345669] [2020-10-11 19:02:03,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 19:02:03,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:03,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 19:02:03,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 19:02:04,108 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 157 [2020-10-11 19:02:04,109 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 183 transitions, 619 flow. Second operand 6 states. [2020-10-11 19:02:04,109 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:04,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 157 [2020-10-11 19:02:04,109 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:04,769 INFO L129 PetriNetUnfolder]: 611/1750 cut-off events. [2020-10-11 19:02:04,769 INFO L130 PetriNetUnfolder]: For 9681/9681 co-relation queries the response was YES. [2020-10-11 19:02:04,781 INFO L80 FinitePrefix]: Finished finitePrefix Result has 6656 conditions, 1750 events. 611/1750 cut-off events. For 9681/9681 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 13105 event pairs, 163 based on Foata normal form. 27/1769 useless extension candidates. Maximal degree in co-relation 6591. Up to 585 conditions per place. [2020-10-11 19:02:04,799 INFO L132 encePairwiseOnDemand]: 138/157 looper letters, 52 selfloop transitions, 44 changer transitions 62/254 dead transitions. [2020-10-11 19:02:04,799 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 254 transitions, 1596 flow [2020-10-11 19:02:04,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-11 19:02:04,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-11 19:02:04,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1231 transitions. [2020-10-11 19:02:04,804 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7127967573827446 [2020-10-11 19:02:04,805 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1231 transitions. [2020-10-11 19:02:04,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1231 transitions. [2020-10-11 19:02:04,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:04,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1231 transitions. [2020-10-11 19:02:04,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-11 19:02:04,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-11 19:02:04,813 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-11 19:02:04,814 INFO L185 Difference]: Start difference. First operand has 170 places, 183 transitions, 619 flow. Second operand 11 states and 1231 transitions. [2020-10-11 19:02:04,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 254 transitions, 1596 flow [2020-10-11 19:02:04,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 254 transitions, 1595 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-11 19:02:04,834 INFO L241 Difference]: Finished difference. Result has 187 places, 184 transitions, 908 flow [2020-10-11 19:02:04,835 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=908, PETRI_PLACES=187, PETRI_TRANSITIONS=184} [2020-10-11 19:02:04,835 INFO L341 CegarLoopForPetriNet]: 144 programPoint places, 43 predicate places. [2020-10-11 19:02:04,835 INFO L481 AbstractCegarLoop]: Abstraction has has 187 places, 184 transitions, 908 flow [2020-10-11 19:02:04,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 19:02:04,835 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:04,836 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] [2020-10-11 19:02:04,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 19:02:04,836 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 19:02:04,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:04,837 INFO L82 PathProgramCache]: Analyzing trace with hash 49978714, now seen corresponding path program 1 times [2020-10-11 19:02:04,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:04,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372225632] [2020-10-11 19:02:04,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:04,963 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 19:02:04,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372225632] [2020-10-11 19:02:04,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:04,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 19:02:04,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340666776] [2020-10-11 19:02:04,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 19:02:04,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:04,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 19:02:04,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 19:02:06,033 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 157 [2020-10-11 19:02:06,035 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 184 transitions, 908 flow. Second operand 6 states. [2020-10-11 19:02:06,035 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:06,035 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 157 [2020-10-11 19:02:06,035 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:06,760 INFO L129 PetriNetUnfolder]: 690/1925 cut-off events. [2020-10-11 19:02:06,760 INFO L130 PetriNetUnfolder]: For 33533/33533 co-relation queries the response was YES. [2020-10-11 19:02:06,769 INFO L80 FinitePrefix]: Finished finitePrefix Result has 10854 conditions, 1925 events. 690/1925 cut-off events. For 33533/33533 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 14672 event pairs, 123 based on Foata normal form. 17/1938 useless extension candidates. Maximal degree in co-relation 10661. Up to 702 conditions per place. [2020-10-11 19:02:06,794 INFO L132 encePairwiseOnDemand]: 137/157 looper letters, 103 selfloop transitions, 48 changer transitions 0/246 dead transitions. [2020-10-11 19:02:06,795 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 246 transitions, 2322 flow [2020-10-11 19:02:06,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 19:02:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-11 19:02:06,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1461 transitions. [2020-10-11 19:02:06,800 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7158255756981872 [2020-10-11 19:02:06,800 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1461 transitions. [2020-10-11 19:02:06,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1461 transitions. [2020-10-11 19:02:06,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:06,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1461 transitions. [2020-10-11 19:02:06,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-11 19:02:06,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-11 19:02:06,808 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-11 19:02:06,808 INFO L185 Difference]: Start difference. First operand has 187 places, 184 transitions, 908 flow. Second operand 13 states and 1461 transitions. [2020-10-11 19:02:06,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 246 transitions, 2322 flow [2020-10-11 19:02:06,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 246 transitions, 2121 flow, removed 88 selfloop flow, removed 9 redundant places. [2020-10-11 19:02:06,835 INFO L241 Difference]: Finished difference. Result has 184 places, 221 transitions, 1589 flow [2020-10-11 19:02:06,836 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1589, PETRI_PLACES=184, PETRI_TRANSITIONS=221} [2020-10-11 19:02:06,836 INFO L341 CegarLoopForPetriNet]: 144 programPoint places, 40 predicate places. [2020-10-11 19:02:06,836 INFO L481 AbstractCegarLoop]: Abstraction has has 184 places, 221 transitions, 1589 flow [2020-10-11 19:02:06,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 19:02:06,836 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:06,836 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 19:02:06,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 19:02:06,837 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 19:02:06,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:06,837 INFO L82 PathProgramCache]: Analyzing trace with hash -814931924, now seen corresponding path program 1 times [2020-10-11 19:02:06,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:06,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065164053] [2020-10-11 19:02:06,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:06,962 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 19:02:06,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065164053] [2020-10-11 19:02:06,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:06,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-11 19:02:06,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574796380] [2020-10-11 19:02:06,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 19:02:06,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:06,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 19:02:06,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-11 19:02:07,059 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 157 [2020-10-11 19:02:07,059 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 221 transitions, 1589 flow. Second operand 5 states. [2020-10-11 19:02:07,059 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:07,060 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 157 [2020-10-11 19:02:07,060 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:07,243 INFO L129 PetriNetUnfolder]: 162/741 cut-off events. [2020-10-11 19:02:07,243 INFO L130 PetriNetUnfolder]: For 12378/12472 co-relation queries the response was YES. [2020-10-11 19:02:07,249 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3729 conditions, 741 events. 162/741 cut-off events. For 12378/12472 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 4741 event pairs, 39 based on Foata normal form. 2/735 useless extension candidates. Maximal degree in co-relation 3706. Up to 185 conditions per place. [2020-10-11 19:02:07,258 INFO L132 encePairwiseOnDemand]: 152/157 looper letters, 4 selfloop transitions, 4 changer transitions 0/157 dead transitions. [2020-10-11 19:02:07,258 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 157 transitions, 1141 flow [2020-10-11 19:02:07,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 19:02:07,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-11 19:02:07,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 855 transitions. [2020-10-11 19:02:07,261 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9076433121019108 [2020-10-11 19:02:07,261 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 855 transitions. [2020-10-11 19:02:07,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 855 transitions. [2020-10-11 19:02:07,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:07,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 855 transitions. [2020-10-11 19:02:07,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-11 19:02:07,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-11 19:02:07,266 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-11 19:02:07,266 INFO L185 Difference]: Start difference. First operand has 184 places, 221 transitions, 1589 flow. Second operand 6 states and 855 transitions. [2020-10-11 19:02:07,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 157 transitions, 1141 flow [2020-10-11 19:02:07,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 157 transitions, 553 flow, removed 276 selfloop flow, removed 13 redundant places. [2020-10-11 19:02:07,288 INFO L241 Difference]: Finished difference. Result has 148 places, 157 transitions, 545 flow [2020-10-11 19:02:07,289 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=545, PETRI_PLACES=148, PETRI_TRANSITIONS=157} [2020-10-11 19:02:07,289 INFO L341 CegarLoopForPetriNet]: 144 programPoint places, 4 predicate places. [2020-10-11 19:02:07,289 INFO L481 AbstractCegarLoop]: Abstraction has has 148 places, 157 transitions, 545 flow [2020-10-11 19:02:07,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 19:02:07,290 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:07,290 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] [2020-10-11 19:02:07,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 19:02:07,291 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 19:02:07,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:07,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1803011973, now seen corresponding path program 1 times [2020-10-11 19:02:07,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:07,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339181169] [2020-10-11 19:02:07,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 19:02:07,429 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 19:02:07,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339181169] [2020-10-11 19:02:07,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 19:02:07,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 19:02:07,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621006687] [2020-10-11 19:02:07,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 19:02:07,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 19:02:07,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 19:02:07,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 19:02:08,410 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 157 [2020-10-11 19:02:08,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 157 transitions, 545 flow. Second operand 6 states. [2020-10-11 19:02:08,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 19:02:08,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 157 [2020-10-11 19:02:08,411 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 19:02:08,896 INFO L129 PetriNetUnfolder]: 606/1657 cut-off events. [2020-10-11 19:02:08,897 INFO L130 PetriNetUnfolder]: For 12135/12137 co-relation queries the response was YES. [2020-10-11 19:02:08,904 INFO L80 FinitePrefix]: Finished finitePrefix Result has 6740 conditions, 1657 events. 606/1657 cut-off events. For 12135/12137 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 11758 event pairs, 86 based on Foata normal form. 27/1680 useless extension candidates. Maximal degree in co-relation 6727. Up to 538 conditions per place. [2020-10-11 19:02:08,927 INFO L132 encePairwiseOnDemand]: 139/157 looper letters, 65 selfloop transitions, 93 changer transitions 0/247 dead transitions. [2020-10-11 19:02:08,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 247 transitions, 1780 flow [2020-10-11 19:02:08,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 19:02:08,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-11 19:02:08,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1452 transitions. [2020-10-11 19:02:08,933 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7114159725624694 [2020-10-11 19:02:08,933 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1452 transitions. [2020-10-11 19:02:08,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1452 transitions. [2020-10-11 19:02:08,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 19:02:08,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1452 transitions. [2020-10-11 19:02:08,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-11 19:02:08,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-11 19:02:08,941 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-11 19:02:08,941 INFO L185 Difference]: Start difference. First operand has 148 places, 157 transitions, 545 flow. Second operand 13 states and 1452 transitions. [2020-10-11 19:02:08,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 247 transitions, 1780 flow [2020-10-11 19:02:08,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 247 transitions, 1677 flow, removed 48 selfloop flow, removed 5 redundant places. [2020-10-11 19:02:08,958 INFO L241 Difference]: Finished difference. Result has 165 places, 220 transitions, 1472 flow [2020-10-11 19:02:08,958 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1472, PETRI_PLACES=165, PETRI_TRANSITIONS=220} [2020-10-11 19:02:08,959 INFO L341 CegarLoopForPetriNet]: 144 programPoint places, 21 predicate places. [2020-10-11 19:02:08,959 INFO L481 AbstractCegarLoop]: Abstraction has has 165 places, 220 transitions, 1472 flow [2020-10-11 19:02:08,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 19:02:08,959 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 19:02:08,959 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] [2020-10-11 19:02:08,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 19:02:08,960 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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 19:02:08,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 19:02:08,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1613629398, now seen corresponding path program 1 times [2020-10-11 19:02:08,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 19:02:08,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291447357] [2020-10-11 19:02:08,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 19:02:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 19:02:09,026 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 19:02:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 19:02:09,078 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 19:02:09,127 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 19:02:09,127 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 19:02:09,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 19:02:09,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 07:02:09 BasicIcfg [2020-10-11 19:02:09,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 19:02:09,215 INFO L168 Benchmark]: Toolchain (without parser) took 11532.03 ms. Allocated memory was 248.0 MB in the beginning and 588.8 MB in the end (delta: 340.8 MB). Free memory was 200.8 MB in the beginning and 343.6 MB in the end (delta: -142.8 MB). Peak memory consumption was 198.0 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:09,216 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 248.0 MB. Free memory is still 224.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 19:02:09,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1443.10 ms. Allocated memory was 248.0 MB in the beginning and 351.3 MB in the end (delta: 103.3 MB). Free memory was 200.8 MB in the beginning and 317.3 MB in the end (delta: -116.5 MB). Peak memory consumption was 110.3 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:09,218 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.68 ms. Allocated memory is still 351.3 MB. Free memory was 317.3 MB in the beginning and 313.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:09,219 INFO L168 Benchmark]: Boogie Preprocessor took 68.28 ms. Allocated memory is still 351.3 MB. Free memory was 313.8 MB in the beginning and 310.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:09,219 INFO L168 Benchmark]: RCFGBuilder took 714.94 ms. Allocated memory is still 351.3 MB. Free memory was 310.3 MB in the beginning and 261.8 MB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:09,220 INFO L168 Benchmark]: TraceAbstraction took 9203.44 ms. Allocated memory was 351.3 MB in the beginning and 588.8 MB in the end (delta: 237.5 MB). Free memory was 261.8 MB in the beginning and 343.6 MB in the end (delta: -81.8 MB). Peak memory consumption was 155.7 MB. Max. memory is 14.2 GB. [2020-10-11 19:02:09,225 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 248.0 MB. Free memory is still 224.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1443.10 ms. Allocated memory was 248.0 MB in the beginning and 351.3 MB in the end (delta: 103.3 MB). Free memory was 200.8 MB in the beginning and 317.3 MB in the end (delta: -116.5 MB). Peak memory consumption was 110.3 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 94.68 ms. Allocated memory is still 351.3 MB. Free memory was 317.3 MB in the beginning and 313.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 68.28 ms. Allocated memory is still 351.3 MB. Free memory was 313.8 MB in the beginning and 310.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 714.94 ms. Allocated memory is still 351.3 MB. Free memory was 310.3 MB in the beginning and 261.8 MB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 9203.44 ms. Allocated memory was 351.3 MB in the beginning and 588.8 MB in the end (delta: 237.5 MB). Free memory was 261.8 MB in the beginning and 343.6 MB in the end (delta: -81.8 MB). Peak memory consumption was 155.7 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}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [arg={7:24}, t1={5:0}, t2={6:0}] [L1715] 0 return 0; VAL [arg={7:24}, t1={5:0}, t2={6:0}] [L1741] 0 probe_ret = my_drv_probe(&data) VAL [arg={7:24}, t1={5:0}, t2={6:0}] [L1742] COND TRUE 0 probe_ret==0 VAL [arg={7:24}, t1={5:0}, t2={6:0}] [L1721] 0 void *status; VAL [arg={7:24}, t1={5:0}, t2={6:0}] [L1722] 0 data->shared.a = 3 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}] [L1723] 0 data->shared.b = 3 VAL [__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.a VAL [__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 [__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 [__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: 8.9s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 382 SDtfs, 678 SDslu, 1333 SDs, 0 SdLazy, 1293 SolverSat, 148 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1589occurred in iteration=4, 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, 0.7s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 29338 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...