/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/pthread-wmm/safe019_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 18:38:53,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 18:38:53,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 18:38:53,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 18:38:53,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 18:38:53,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 18:38:53,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 18:38:53,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 18:38:53,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 18:38:53,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 18:38:53,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 18:38:53,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 18:38:53,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 18:38:53,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 18:38:53,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 18:38:53,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 18:38:53,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 18:38:53,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 18:38:53,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 18:38:53,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 18:38:53,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 18:38:53,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 18:38:53,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 18:38:53,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 18:38:53,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 18:38:53,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 18:38:53,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 18:38:53,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 18:38:53,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 18:38:53,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 18:38:53,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 18:38:53,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 18:38:53,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 18:38:53,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 18:38:53,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 18:38:53,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 18:38:53,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 18:38:53,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 18:38:53,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 18:38:53,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 18:38:53,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 18:38:53,409 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 18:38:53,448 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 18:38:53,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 18:38:53,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 18:38:53,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 18:38:53,450 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 18:38:53,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 18:38:53,451 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 18:38:53,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 18:38:53,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 18:38:53,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 18:38:53,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 18:38:53,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 18:38:53,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 18:38:53,453 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 18:38:53,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 18:38:53,453 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 18:38:53,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 18:38:53,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 18:38:53,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 18:38:53,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 18:38:53,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 18:38:53,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 18:38:53,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 18:38:53,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 18:38:53,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 18:38:53,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 18:38:53,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 18:38:53,456 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 18:38:53,456 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 18:38:53,456 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 18:38:53,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 18:38:53,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 18:38:53,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 18:38:53,785 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 18:38:53,785 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 18:38:53,786 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_rmo.opt.i [2020-10-11 18:38:53,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f836078b/fadf4c7349964da8b9483f7ab85bdba2/FLAG3ba8ef325 [2020-10-11 18:38:54,378 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 18:38:54,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_rmo.opt.i [2020-10-11 18:38:54,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f836078b/fadf4c7349964da8b9483f7ab85bdba2/FLAG3ba8ef325 [2020-10-11 18:38:54,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f836078b/fadf4c7349964da8b9483f7ab85bdba2 [2020-10-11 18:38:54,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 18:38:54,640 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 18:38:54,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 18:38:54,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 18:38:54,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 18:38:54,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:38:54" (1/1) ... [2020-10-11 18:38:54,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5147cbdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:38:54, skipping insertion in model container [2020-10-11 18:38:54,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:38:54" (1/1) ... [2020-10-11 18:38:54,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 18:38:54,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 18:38:55,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:38:55,291 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 18:38:55,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:38:55,442 INFO L208 MainTranslator]: Completed translation [2020-10-11 18:38:55,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:38:55 WrapperNode [2020-10-11 18:38:55,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 18:38:55,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 18:38:55,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 18:38:55,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 18:38:55,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:38:55" (1/1) ... [2020-10-11 18:38:55,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:38:55" (1/1) ... [2020-10-11 18:38:55,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 18:38:55,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 18:38:55,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 18:38:55,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 18:38:55,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:38:55" (1/1) ... [2020-10-11 18:38:55,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:38:55" (1/1) ... [2020-10-11 18:38:55,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:38:55" (1/1) ... [2020-10-11 18:38:55,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:38:55" (1/1) ... [2020-10-11 18:38:55,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:38:55" (1/1) ... [2020-10-11 18:38:55,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:38:55" (1/1) ... [2020-10-11 18:38:55,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:38:55" (1/1) ... [2020-10-11 18:38:55,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 18:38:55,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 18:38:55,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 18:38:55,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 18:38:55,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:38:55" (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 18:38:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 18:38:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 18:38:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 18:38:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 18:38:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 18:38:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-11 18:38:55,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-11 18:38:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-11 18:38:55,650 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-11 18:38:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-11 18:38:55,651 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-11 18:38:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-11 18:38:55,651 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-11 18:38:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-11 18:38:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 18:38:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 18:38:55,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 18:38:55,654 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 18:38:58,782 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 18:38:58,782 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-11 18:38:58,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:38:58 BoogieIcfgContainer [2020-10-11 18:38:58,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 18:38:58,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 18:38:58,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 18:38:58,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 18:38:58,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 06:38:54" (1/3) ... [2020-10-11 18:38:58,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17022314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:38:58, skipping insertion in model container [2020-10-11 18:38:58,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:38:55" (2/3) ... [2020-10-11 18:38:58,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17022314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:38:58, skipping insertion in model container [2020-10-11 18:38:58,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:38:58" (3/3) ... [2020-10-11 18:38:58,794 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_rmo.opt.i [2020-10-11 18:38:58,807 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 18:38:58,816 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-11 18:38:58,818 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 18:38:58,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,865 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,866 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,875 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,875 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,878 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,879 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,882 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,882 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,882 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,883 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,888 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,888 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,888 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,888 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,888 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,888 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,889 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,889 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,889 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,889 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,889 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,889 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,896 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,896 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,896 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,903 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,903 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,907 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,907 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,907 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,908 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,908 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,908 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,908 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,908 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,909 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,909 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,909 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,909 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,909 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,910 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,910 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,911 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,917 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~mem70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,918 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,920 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,920 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,921 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,921 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,921 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,921 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,923 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:38:58,948 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-11 18:38:58,974 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 18:38:58,974 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 18:38:58,974 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 18:38:58,974 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 18:38:58,974 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 18:38:58,975 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 18:38:58,975 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 18:38:58,975 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 18:38:58,991 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 136 places, 125 transitions, 270 flow [2020-10-11 18:38:59,049 INFO L129 PetriNetUnfolder]: 2/121 cut-off events. [2020-10-11 18:38:59,050 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:38:59,055 INFO L80 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 121 events. 2/121 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 72 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2020-10-11 18:38:59,056 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 125 transitions, 270 flow [2020-10-11 18:38:59,063 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 108 transitions, 228 flow [2020-10-11 18:38:59,091 INFO L129 PetriNetUnfolder]: 1/107 cut-off events. [2020-10-11 18:38:59,091 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:38:59,092 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:38:59,093 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 18:38:59,093 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:38:59,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:38:59,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1067295342, now seen corresponding path program 1 times [2020-10-11 18:38:59,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:38:59,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764180341] [2020-10-11 18:38:59,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:38:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:38:59,710 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 18:38:59,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764180341] [2020-10-11 18:38:59,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:38:59,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:38:59,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012013835] [2020-10-11 18:38:59,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:38:59,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:38:59,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:38:59,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:38:59,926 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 125 [2020-10-11 18:38:59,931 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 108 transitions, 228 flow. Second operand 6 states. [2020-10-11 18:38:59,931 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:38:59,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 125 [2020-10-11 18:38:59,933 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:39:00,147 INFO L129 PetriNetUnfolder]: 24/188 cut-off events. [2020-10-11 18:39:00,147 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:39:00,149 INFO L80 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 188 events. 24/188 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 484 event pairs, 5 based on Foata normal form. 6/191 useless extension candidates. Maximal degree in co-relation 196. Up to 31 conditions per place. [2020-10-11 18:39:00,151 INFO L132 encePairwiseOnDemand]: 117/125 looper letters, 8 selfloop transitions, 3 changer transitions 19/128 dead transitions. [2020-10-11 18:39:00,152 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 128 transitions, 328 flow [2020-10-11 18:39:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:39:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:39:00,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1060 transitions. [2020-10-11 18:39:00,173 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9422222222222222 [2020-10-11 18:39:00,174 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1060 transitions. [2020-10-11 18:39:00,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1060 transitions. [2020-10-11 18:39:00,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:39:00,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1060 transitions. [2020-10-11 18:39:00,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:39:00,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:39:00,208 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:39:00,210 INFO L185 Difference]: Start difference. First operand has 120 places, 108 transitions, 228 flow. Second operand 9 states and 1060 transitions. [2020-10-11 18:39:00,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 128 transitions, 328 flow [2020-10-11 18:39:00,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 128 transitions, 324 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-11 18:39:00,220 INFO L241 Difference]: Finished difference. Result has 131 places, 109 transitions, 265 flow [2020-10-11 18:39:00,226 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=265, PETRI_PLACES=131, PETRI_TRANSITIONS=109} [2020-10-11 18:39:00,227 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 11 predicate places. [2020-10-11 18:39:00,228 INFO L481 AbstractCegarLoop]: Abstraction has has 131 places, 109 transitions, 265 flow [2020-10-11 18:39:00,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:39:00,228 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:39:00,228 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, 1, 1] [2020-10-11 18:39:00,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 18:39:00,229 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:39:00,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:39:00,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1121339347, now seen corresponding path program 1 times [2020-10-11 18:39:00,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:39:00,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293806355] [2020-10-11 18:39:00,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:39:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:39:00,459 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 18:39:00,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293806355] [2020-10-11 18:39:00,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:39:00,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:39:00,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532218111] [2020-10-11 18:39:00,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:39:00,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:39:00,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:39:00,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:39:00,619 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 125 [2020-10-11 18:39:00,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 109 transitions, 265 flow. Second operand 6 states. [2020-10-11 18:39:00,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:39:00,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 125 [2020-10-11 18:39:00,621 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:39:00,786 INFO L129 PetriNetUnfolder]: 26/213 cut-off events. [2020-10-11 18:39:00,786 INFO L130 PetriNetUnfolder]: For 158/158 co-relation queries the response was YES. [2020-10-11 18:39:00,788 INFO L80 FinitePrefix]: Finished finitePrefix Result has 406 conditions, 213 events. 26/213 cut-off events. For 158/158 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 643 event pairs, 8 based on Foata normal form. 6/214 useless extension candidates. Maximal degree in co-relation 371. Up to 28 conditions per place. [2020-10-11 18:39:00,790 INFO L132 encePairwiseOnDemand]: 119/125 looper letters, 6 selfloop transitions, 2 changer transitions 10/119 dead transitions. [2020-10-11 18:39:00,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 119 transitions, 339 flow [2020-10-11 18:39:00,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:39:00,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:39:00,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1055 transitions. [2020-10-11 18:39:00,794 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9377777777777778 [2020-10-11 18:39:00,795 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1055 transitions. [2020-10-11 18:39:00,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1055 transitions. [2020-10-11 18:39:00,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:39:00,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1055 transitions. [2020-10-11 18:39:00,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:39:00,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:39:00,801 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:39:00,801 INFO L185 Difference]: Start difference. First operand has 131 places, 109 transitions, 265 flow. Second operand 9 states and 1055 transitions. [2020-10-11 18:39:00,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 119 transitions, 339 flow [2020-10-11 18:39:00,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 119 transitions, 322 flow, removed 7 selfloop flow, removed 4 redundant places. [2020-10-11 18:39:00,808 INFO L241 Difference]: Finished difference. Result has 136 places, 109 transitions, 276 flow [2020-10-11 18:39:00,808 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=276, PETRI_PLACES=136, PETRI_TRANSITIONS=109} [2020-10-11 18:39:00,809 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 16 predicate places. [2020-10-11 18:39:00,809 INFO L481 AbstractCegarLoop]: Abstraction has has 136 places, 109 transitions, 276 flow [2020-10-11 18:39:00,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:39:00,810 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:39:00,810 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, 1, 1, 1, 1] [2020-10-11 18:39:00,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 18:39:00,810 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:39:00,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:39:00,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1401837714, now seen corresponding path program 1 times [2020-10-11 18:39:00,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:39:00,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047199568] [2020-10-11 18:39:00,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:39:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:39:01,064 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 18:39:01,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047199568] [2020-10-11 18:39:01,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:39:01,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-11 18:39:01,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953153078] [2020-10-11 18:39:01,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-11 18:39:01,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:39:01,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-11 18:39:01,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-11 18:39:01,317 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 125 [2020-10-11 18:39:01,318 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 109 transitions, 276 flow. Second operand 8 states. [2020-10-11 18:39:01,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:39:01,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 125 [2020-10-11 18:39:01,319 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:39:01,517 INFO L129 PetriNetUnfolder]: 14/158 cut-off events. [2020-10-11 18:39:01,518 INFO L130 PetriNetUnfolder]: For 152/154 co-relation queries the response was YES. [2020-10-11 18:39:01,519 INFO L80 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 158 events. 14/158 cut-off events. For 152/154 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 288 event pairs, 6 based on Foata normal form. 3/158 useless extension candidates. Maximal degree in co-relation 282. Up to 20 conditions per place. [2020-10-11 18:39:01,523 INFO L132 encePairwiseOnDemand]: 118/125 looper letters, 6 selfloop transitions, 3 changer transitions 10/119 dead transitions. [2020-10-11 18:39:01,524 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 119 transitions, 362 flow [2020-10-11 18:39:01,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 18:39:01,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 18:39:01,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1161 transitions. [2020-10-11 18:39:01,528 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9288 [2020-10-11 18:39:01,528 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1161 transitions. [2020-10-11 18:39:01,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1161 transitions. [2020-10-11 18:39:01,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:39:01,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1161 transitions. [2020-10-11 18:39:01,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 18:39:01,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 18:39:01,536 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 18:39:01,536 INFO L185 Difference]: Start difference. First operand has 136 places, 109 transitions, 276 flow. Second operand 10 states and 1161 transitions. [2020-10-11 18:39:01,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 119 transitions, 362 flow [2020-10-11 18:39:01,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 119 transitions, 330 flow, removed 14 selfloop flow, removed 8 redundant places. [2020-10-11 18:39:01,547 INFO L241 Difference]: Finished difference. Result has 138 places, 109 transitions, 282 flow [2020-10-11 18:39:01,548 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=282, PETRI_PLACES=138, PETRI_TRANSITIONS=109} [2020-10-11 18:39:01,548 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 18 predicate places. [2020-10-11 18:39:01,548 INFO L481 AbstractCegarLoop]: Abstraction has has 138 places, 109 transitions, 282 flow [2020-10-11 18:39:01,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-11 18:39:01,548 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:39:01,549 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, 1, 1, 1, 1, 1] [2020-10-11 18:39:01,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 18:39:01,549 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:39:01,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:39:01,550 INFO L82 PathProgramCache]: Analyzing trace with hash -599843824, now seen corresponding path program 1 times [2020-10-11 18:39:01,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:39:01,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968214701] [2020-10-11 18:39:01,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:39:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:39:01,747 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 18:39:01,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968214701] [2020-10-11 18:39:01,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:39:01,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:39:01,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361022267] [2020-10-11 18:39:01,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:39:01,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:39:01,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:39:01,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:39:01,994 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 125 [2020-10-11 18:39:01,994 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 109 transitions, 282 flow. Second operand 7 states. [2020-10-11 18:39:01,995 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:39:01,995 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 125 [2020-10-11 18:39:01,995 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:39:02,273 INFO L129 PetriNetUnfolder]: 13/224 cut-off events. [2020-10-11 18:39:02,273 INFO L130 PetriNetUnfolder]: For 281/397 co-relation queries the response was YES. [2020-10-11 18:39:02,275 INFO L80 FinitePrefix]: Finished finitePrefix Result has 484 conditions, 224 events. 13/224 cut-off events. For 281/397 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 783 event pairs, 2 based on Foata normal form. 9/226 useless extension candidates. Maximal degree in co-relation 442. Up to 30 conditions per place. [2020-10-11 18:39:02,276 INFO L132 encePairwiseOnDemand]: 118/125 looper letters, 14 selfloop transitions, 3 changer transitions 23/136 dead transitions. [2020-10-11 18:39:02,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 136 transitions, 557 flow [2020-10-11 18:39:02,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-11 18:39:02,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-11 18:39:02,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1947 transitions. [2020-10-11 18:39:02,283 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.916235294117647 [2020-10-11 18:39:02,283 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1947 transitions. [2020-10-11 18:39:02,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1947 transitions. [2020-10-11 18:39:02,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:39:02,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1947 transitions. [2020-10-11 18:39:02,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 18 states. [2020-10-11 18:39:02,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 18 states. [2020-10-11 18:39:02,294 INFO L81 ComplementDD]: Finished complementDD. Result 18 states. [2020-10-11 18:39:02,294 INFO L185 Difference]: Start difference. First operand has 138 places, 109 transitions, 282 flow. Second operand 17 states and 1947 transitions. [2020-10-11 18:39:02,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 136 transitions, 557 flow [2020-10-11 18:39:02,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 136 transitions, 479 flow, removed 36 selfloop flow, removed 9 redundant places. [2020-10-11 18:39:02,300 INFO L241 Difference]: Finished difference. Result has 154 places, 109 transitions, 303 flow [2020-10-11 18:39:02,300 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=303, PETRI_PLACES=154, PETRI_TRANSITIONS=109} [2020-10-11 18:39:02,301 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 34 predicate places. [2020-10-11 18:39:02,301 INFO L481 AbstractCegarLoop]: Abstraction has has 154 places, 109 transitions, 303 flow [2020-10-11 18:39:02,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:39:02,301 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:39:02,301 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, 1, 1, 1, 1, 1, 1] [2020-10-11 18:39:02,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 18:39:02,302 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:39:02,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:39:02,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1431877005, now seen corresponding path program 1 times [2020-10-11 18:39:02,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:39:02,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686637486] [2020-10-11 18:39:02,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:39:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:39:02,988 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 18:39:02,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686637486] [2020-10-11 18:39:02,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:39:02,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-11 18:39:02,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707398594] [2020-10-11 18:39:02,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-11 18:39:02,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:39:02,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-11 18:39:02,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2020-10-11 18:39:09,879 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 125 [2020-10-11 18:39:09,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 109 transitions, 303 flow. Second operand 20 states. [2020-10-11 18:39:09,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:39:09,883 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 125 [2020-10-11 18:39:09,883 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:39:12,115 INFO L129 PetriNetUnfolder]: 1330/2997 cut-off events. [2020-10-11 18:39:12,116 INFO L130 PetriNetUnfolder]: For 6082/6179 co-relation queries the response was YES. [2020-10-11 18:39:12,141 INFO L80 FinitePrefix]: Finished finitePrefix Result has 7311 conditions, 2997 events. 1330/2997 cut-off events. For 6082/6179 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 21821 event pairs, 642 based on Foata normal form. 60/2931 useless extension candidates. Maximal degree in co-relation 7214. Up to 1276 conditions per place. [2020-10-11 18:39:12,159 INFO L132 encePairwiseOnDemand]: 106/125 looper letters, 32 selfloop transitions, 27 changer transitions 34/170 dead transitions. [2020-10-11 18:39:12,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 170 transitions, 665 flow [2020-10-11 18:39:12,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-11 18:39:12,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-11 18:39:12,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1838 transitions. [2020-10-11 18:39:12,166 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7001904761904761 [2020-10-11 18:39:12,166 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1838 transitions. [2020-10-11 18:39:12,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1838 transitions. [2020-10-11 18:39:12,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:39:12,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1838 transitions. [2020-10-11 18:39:12,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2020-10-11 18:39:12,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 22 states. [2020-10-11 18:39:12,177 INFO L81 ComplementDD]: Finished complementDD. Result 22 states. [2020-10-11 18:39:12,177 INFO L185 Difference]: Start difference. First operand has 154 places, 109 transitions, 303 flow. Second operand 21 states and 1838 transitions. [2020-10-11 18:39:12,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 170 transitions, 665 flow [2020-10-11 18:39:12,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 170 transitions, 592 flow, removed 35 selfloop flow, removed 15 redundant places. [2020-10-11 18:39:12,239 INFO L241 Difference]: Finished difference. Result has 154 places, 128 transitions, 400 flow [2020-10-11 18:39:12,240 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=400, PETRI_PLACES=154, PETRI_TRANSITIONS=128} [2020-10-11 18:39:12,240 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 34 predicate places. [2020-10-11 18:39:12,240 INFO L481 AbstractCegarLoop]: Abstraction has has 154 places, 128 transitions, 400 flow [2020-10-11 18:39:12,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-11 18:39:12,241 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:39:12,241 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:39:12,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 18:39:12,242 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:39:12,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:39:12,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1069451919, now seen corresponding path program 1 times [2020-10-11 18:39:12,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:39:12,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193107233] [2020-10-11 18:39:12,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:39:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:39:12,523 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 18:39:12,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193107233] [2020-10-11 18:39:12,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:39:12,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:39:12,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664096902] [2020-10-11 18:39:12,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:39:12,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:39:12,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:39:12,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:39:12,737 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 125 [2020-10-11 18:39:12,738 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 128 transitions, 400 flow. Second operand 7 states. [2020-10-11 18:39:12,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:39:12,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 125 [2020-10-11 18:39:12,739 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:39:13,053 INFO L129 PetriNetUnfolder]: 87/635 cut-off events. [2020-10-11 18:39:13,054 INFO L130 PetriNetUnfolder]: For 1080/1471 co-relation queries the response was YES. [2020-10-11 18:39:13,059 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1541 conditions, 635 events. 87/635 cut-off events. For 1080/1471 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 4328 event pairs, 26 based on Foata normal form. 25/633 useless extension candidates. Maximal degree in co-relation 1452. Up to 99 conditions per place. [2020-10-11 18:39:13,062 INFO L132 encePairwiseOnDemand]: 116/125 looper letters, 10 selfloop transitions, 5 changer transitions 12/137 dead transitions. [2020-10-11 18:39:13,062 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 137 transitions, 527 flow [2020-10-11 18:39:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 18:39:13,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-11 18:39:13,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 807 transitions. [2020-10-11 18:39:13,065 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9222857142857143 [2020-10-11 18:39:13,065 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 807 transitions. [2020-10-11 18:39:13,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 807 transitions. [2020-10-11 18:39:13,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:39:13,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 807 transitions. [2020-10-11 18:39:13,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-11 18:39:13,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-11 18:39:13,071 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-11 18:39:13,071 INFO L185 Difference]: Start difference. First operand has 154 places, 128 transitions, 400 flow. Second operand 7 states and 807 transitions. [2020-10-11 18:39:13,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 137 transitions, 527 flow [2020-10-11 18:39:13,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 137 transitions, 494 flow, removed 10 selfloop flow, removed 13 redundant places. [2020-10-11 18:39:13,077 INFO L241 Difference]: Finished difference. Result has 145 places, 124 transitions, 383 flow [2020-10-11 18:39:13,078 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=383, PETRI_PLACES=145, PETRI_TRANSITIONS=124} [2020-10-11 18:39:13,078 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 25 predicate places. [2020-10-11 18:39:13,078 INFO L481 AbstractCegarLoop]: Abstraction has has 145 places, 124 transitions, 383 flow [2020-10-11 18:39:13,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:39:13,078 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:39:13,078 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:39:13,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 18:39:13,079 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:39:13,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:39:13,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1289872631, now seen corresponding path program 2 times [2020-10-11 18:39:13,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:39:13,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807966894] [2020-10-11 18:39:13,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:39:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:39:13,406 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 18:39:13,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807966894] [2020-10-11 18:39:13,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:39:13,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-11 18:39:13,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143540294] [2020-10-11 18:39:13,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-11 18:39:13,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:39:13,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-11 18:39:13,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-11 18:39:15,047 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 125 [2020-10-11 18:39:15,049 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 124 transitions, 383 flow. Second operand 12 states. [2020-10-11 18:39:15,049 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:39:15,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 125 [2020-10-11 18:39:15,049 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:39:17,154 INFO L129 PetriNetUnfolder]: 1898/4396 cut-off events. [2020-10-11 18:39:17,154 INFO L130 PetriNetUnfolder]: For 4733/5033 co-relation queries the response was YES. [2020-10-11 18:39:17,197 INFO L80 FinitePrefix]: Finished finitePrefix Result has 10632 conditions, 4396 events. 1898/4396 cut-off events. For 4733/5033 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 35756 event pairs, 683 based on Foata normal form. 71/4282 useless extension candidates. Maximal degree in co-relation 10541. Up to 2046 conditions per place. [2020-10-11 18:39:17,227 INFO L132 encePairwiseOnDemand]: 109/125 looper letters, 38 selfloop transitions, 23 changer transitions 32/181 dead transitions. [2020-10-11 18:39:17,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 181 transitions, 792 flow [2020-10-11 18:39:17,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-11 18:39:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-11 18:39:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1452 transitions. [2020-10-11 18:39:17,235 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8297142857142857 [2020-10-11 18:39:17,236 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1452 transitions. [2020-10-11 18:39:17,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1452 transitions. [2020-10-11 18:39:17,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:39:17,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1452 transitions. [2020-10-11 18:39:17,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-11 18:39:17,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-11 18:39:17,246 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-11 18:39:17,246 INFO L185 Difference]: Start difference. First operand has 145 places, 124 transitions, 383 flow. Second operand 14 states and 1452 transitions. [2020-10-11 18:39:17,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 181 transitions, 792 flow [2020-10-11 18:39:17,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 181 transitions, 757 flow, removed 13 selfloop flow, removed 7 redundant places. [2020-10-11 18:39:17,269 INFO L241 Difference]: Finished difference. Result has 156 places, 140 transitions, 526 flow [2020-10-11 18:39:17,270 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=526, PETRI_PLACES=156, PETRI_TRANSITIONS=140} [2020-10-11 18:39:17,270 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 36 predicate places. [2020-10-11 18:39:17,271 INFO L481 AbstractCegarLoop]: Abstraction has has 156 places, 140 transitions, 526 flow [2020-10-11 18:39:17,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-11 18:39:17,271 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:39:17,271 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:39:17,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 18:39:17,272 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:39:17,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:39:17,273 INFO L82 PathProgramCache]: Analyzing trace with hash -792059871, now seen corresponding path program 3 times [2020-10-11 18:39:17,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:39:17,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529115348] [2020-10-11 18:39:17,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:39:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:39:17,977 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 18:39:17,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529115348] [2020-10-11 18:39:17,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:39:17,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-10-11 18:39:17,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485031350] [2020-10-11 18:39:17,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-11 18:39:17,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:39:17,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-11 18:39:17,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2020-10-11 18:39:24,847 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 125 [2020-10-11 18:39:24,848 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 140 transitions, 526 flow. Second operand 21 states. [2020-10-11 18:39:24,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:39:24,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 125 [2020-10-11 18:39:24,849 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:39:25,937 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-11 18:39:27,541 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-10-11 18:39:27,696 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-10-11 18:39:28,399 INFO L129 PetriNetUnfolder]: 2316/5594 cut-off events. [2020-10-11 18:39:28,399 INFO L130 PetriNetUnfolder]: For 10585/12216 co-relation queries the response was YES. [2020-10-11 18:39:28,444 INFO L80 FinitePrefix]: Finished finitePrefix Result has 17115 conditions, 5594 events. 2316/5594 cut-off events. For 10585/12216 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 50669 event pairs, 945 based on Foata normal form. 184/5531 useless extension candidates. Maximal degree in co-relation 17013. Up to 2248 conditions per place. [2020-10-11 18:39:28,471 INFO L132 encePairwiseOnDemand]: 103/125 looper letters, 57 selfloop transitions, 48 changer transitions 68/250 dead transitions. [2020-10-11 18:39:28,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 250 transitions, 1511 flow [2020-10-11 18:39:28,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-11 18:39:28,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-11 18:39:28,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 2595 transitions. [2020-10-11 18:39:28,480 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.692 [2020-10-11 18:39:28,480 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 2595 transitions. [2020-10-11 18:39:28,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 2595 transitions. [2020-10-11 18:39:28,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:39:28,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 2595 transitions. [2020-10-11 18:39:28,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 31 states. [2020-10-11 18:39:28,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 31 states. [2020-10-11 18:39:28,494 INFO L81 ComplementDD]: Finished complementDD. Result 31 states. [2020-10-11 18:39:28,494 INFO L185 Difference]: Start difference. First operand has 156 places, 140 transitions, 526 flow. Second operand 30 states and 2595 transitions. [2020-10-11 18:39:28,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 250 transitions, 1511 flow [2020-10-11 18:39:28,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 250 transitions, 1460 flow, removed 22 selfloop flow, removed 10 redundant places. [2020-10-11 18:39:28,530 INFO L241 Difference]: Finished difference. Result has 187 places, 169 transitions, 929 flow [2020-10-11 18:39:28,531 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=507, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=929, PETRI_PLACES=187, PETRI_TRANSITIONS=169} [2020-10-11 18:39:28,531 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 67 predicate places. [2020-10-11 18:39:28,531 INFO L481 AbstractCegarLoop]: Abstraction has has 187 places, 169 transitions, 929 flow [2020-10-11 18:39:28,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-11 18:39:28,531 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:39:28,531 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:39:28,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 18:39:28,532 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:39:28,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:39:28,532 INFO L82 PathProgramCache]: Analyzing trace with hash -2000556362, now seen corresponding path program 1 times [2020-10-11 18:39:28,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:39:28,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061339203] [2020-10-11 18:39:28,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:39:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:39:29,017 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 18:39:29,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061339203] [2020-10-11 18:39:29,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:39:29,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-11 18:39:29,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405252357] [2020-10-11 18:39:29,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-11 18:39:29,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:39:29,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-11 18:39:29,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-10-11 18:39:35,095 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 125 [2020-10-11 18:39:35,096 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 169 transitions, 929 flow. Second operand 19 states. [2020-10-11 18:39:35,096 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:39:35,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 125 [2020-10-11 18:39:35,096 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:39:36,689 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-10-11 18:39:37,177 INFO L129 PetriNetUnfolder]: 2030/5218 cut-off events. [2020-10-11 18:39:37,178 INFO L130 PetriNetUnfolder]: For 18259/20542 co-relation queries the response was YES. [2020-10-11 18:39:37,215 INFO L80 FinitePrefix]: Finished finitePrefix Result has 18865 conditions, 5218 events. 2030/5218 cut-off events. For 18259/20542 co-relation queries the response was YES. Maximal size of possible extension queue 362. Compared 48298 event pairs, 915 based on Foata normal form. 194/5172 useless extension candidates. Maximal degree in co-relation 18749. Up to 2543 conditions per place. [2020-10-11 18:39:37,240 INFO L132 encePairwiseOnDemand]: 108/125 looper letters, 68 selfloop transitions, 39 changer transitions 47/234 dead transitions. [2020-10-11 18:39:37,241 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 234 transitions, 1765 flow [2020-10-11 18:39:37,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-11 18:39:37,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-11 18:39:37,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1781 transitions. [2020-10-11 18:39:37,245 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7124 [2020-10-11 18:39:37,246 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1781 transitions. [2020-10-11 18:39:37,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1781 transitions. [2020-10-11 18:39:37,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:39:37,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1781 transitions. [2020-10-11 18:39:37,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 21 states. [2020-10-11 18:39:37,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 21 states. [2020-10-11 18:39:37,261 INFO L81 ComplementDD]: Finished complementDD. Result 21 states. [2020-10-11 18:39:37,261 INFO L185 Difference]: Start difference. First operand has 187 places, 169 transitions, 929 flow. Second operand 20 states and 1781 transitions. [2020-10-11 18:39:37,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 234 transitions, 1765 flow [2020-10-11 18:39:37,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 234 transitions, 1689 flow, removed 27 selfloop flow, removed 19 redundant places. [2020-10-11 18:39:37,294 INFO L241 Difference]: Finished difference. Result has 183 places, 176 transitions, 1095 flow [2020-10-11 18:39:37,294 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=879, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1095, PETRI_PLACES=183, PETRI_TRANSITIONS=176} [2020-10-11 18:39:37,295 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 63 predicate places. [2020-10-11 18:39:37,295 INFO L481 AbstractCegarLoop]: Abstraction has has 183 places, 176 transitions, 1095 flow [2020-10-11 18:39:37,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-11 18:39:37,295 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:39:37,295 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:39:37,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-11 18:39:37,296 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:39:37,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:39:37,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1486833902, now seen corresponding path program 1 times [2020-10-11 18:39:37,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:39:37,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685026560] [2020-10-11 18:39:37,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:39:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:39:37,420 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 18:39:37,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685026560] [2020-10-11 18:39:37,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:39:37,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:39:37,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935325302] [2020-10-11 18:39:37,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:39:37,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:39:37,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:39:37,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:39:37,563 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 125 [2020-10-11 18:39:37,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 176 transitions, 1095 flow. Second operand 6 states. [2020-10-11 18:39:37,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:39:37,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 125 [2020-10-11 18:39:37,564 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:39:41,393 INFO L129 PetriNetUnfolder]: 12663/25134 cut-off events. [2020-10-11 18:39:41,394 INFO L130 PetriNetUnfolder]: For 29247/30123 co-relation queries the response was YES. [2020-10-11 18:39:41,629 INFO L80 FinitePrefix]: Finished finitePrefix Result has 58472 conditions, 25134 events. 12663/25134 cut-off events. For 29247/30123 co-relation queries the response was YES. Maximal size of possible extension queue 3398. Compared 281175 event pairs, 1197 based on Foata normal form. 77/22141 useless extension candidates. Maximal degree in co-relation 58367. Up to 7477 conditions per place. [2020-10-11 18:39:41,716 INFO L132 encePairwiseOnDemand]: 114/125 looper letters, 29 selfloop transitions, 20 changer transitions 0/213 dead transitions. [2020-10-11 18:39:41,716 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 213 transitions, 1267 flow [2020-10-11 18:39:41,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 18:39:41,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 18:39:41,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1161 transitions. [2020-10-11 18:39:41,719 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9288 [2020-10-11 18:39:41,719 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1161 transitions. [2020-10-11 18:39:41,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1161 transitions. [2020-10-11 18:39:41,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:39:41,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1161 transitions. [2020-10-11 18:39:41,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 18:39:41,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 18:39:41,723 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 18:39:41,723 INFO L185 Difference]: Start difference. First operand has 183 places, 176 transitions, 1095 flow. Second operand 10 states and 1161 transitions. [2020-10-11 18:39:41,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 213 transitions, 1267 flow [2020-10-11 18:39:41,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 213 transitions, 1229 flow, removed 7 selfloop flow, removed 13 redundant places. [2020-10-11 18:39:41,796 INFO L241 Difference]: Finished difference. Result has 179 places, 194 transitions, 1200 flow [2020-10-11 18:39:41,796 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=1057, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1200, PETRI_PLACES=179, PETRI_TRANSITIONS=194} [2020-10-11 18:39:41,796 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 59 predicate places. [2020-10-11 18:39:41,796 INFO L481 AbstractCegarLoop]: Abstraction has has 179 places, 194 transitions, 1200 flow [2020-10-11 18:39:41,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:39:41,797 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:39:41,797 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:39:41,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-11 18:39:41,797 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:39:41,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:39:41,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1818825883, now seen corresponding path program 1 times [2020-10-11 18:39:41,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:39:41,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710499948] [2020-10-11 18:39:41,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:39:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:39:42,073 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 18:39:42,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710499948] [2020-10-11 18:39:42,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:39:42,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-11 18:39:42,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777125922] [2020-10-11 18:39:42,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-11 18:39:42,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:39:42,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-11 18:39:42,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-11 18:39:44,899 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 125 [2020-10-11 18:39:44,901 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 194 transitions, 1200 flow. Second operand 13 states. [2020-10-11 18:39:44,901 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:39:44,901 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 125 [2020-10-11 18:39:44,901 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:39:50,458 INFO L129 PetriNetUnfolder]: 7772/24477 cut-off events. [2020-10-11 18:39:50,458 INFO L130 PetriNetUnfolder]: For 57687/66969 co-relation queries the response was YES. [2020-10-11 18:39:50,990 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76927 conditions, 24477 events. 7772/24477 cut-off events. For 57687/66969 co-relation queries the response was YES. Maximal size of possible extension queue 2558. Compared 343204 event pairs, 2462 based on Foata normal form. 836/23264 useless extension candidates. Maximal degree in co-relation 76818. Up to 6870 conditions per place. [2020-10-11 18:39:51,078 INFO L132 encePairwiseOnDemand]: 109/125 looper letters, 78 selfloop transitions, 82 changer transitions 110/380 dead transitions. [2020-10-11 18:39:51,079 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 380 transitions, 3344 flow [2020-10-11 18:39:51,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-11 18:39:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-11 18:39:51,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 2397 transitions. [2020-10-11 18:39:51,083 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8337391304347826 [2020-10-11 18:39:51,083 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 2397 transitions. [2020-10-11 18:39:51,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 2397 transitions. [2020-10-11 18:39:51,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:39:51,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 2397 transitions. [2020-10-11 18:39:51,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 24 states. [2020-10-11 18:39:51,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 24 states. [2020-10-11 18:39:51,092 INFO L81 ComplementDD]: Finished complementDD. Result 24 states. [2020-10-11 18:39:51,092 INFO L185 Difference]: Start difference. First operand has 179 places, 194 transitions, 1200 flow. Second operand 23 states and 2397 transitions. [2020-10-11 18:39:51,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 380 transitions, 3344 flow [2020-10-11 18:39:51,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 380 transitions, 3342 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-11 18:39:51,310 INFO L241 Difference]: Finished difference. Result has 218 places, 255 transitions, 2098 flow [2020-10-11 18:39:51,310 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=1198, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=2098, PETRI_PLACES=218, PETRI_TRANSITIONS=255} [2020-10-11 18:39:51,310 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 98 predicate places. [2020-10-11 18:39:51,310 INFO L481 AbstractCegarLoop]: Abstraction has has 218 places, 255 transitions, 2098 flow [2020-10-11 18:39:51,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-11 18:39:51,311 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:39:51,311 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:39:51,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-11 18:39:51,311 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:39:51,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:39:51,311 INFO L82 PathProgramCache]: Analyzing trace with hash 173687773, now seen corresponding path program 1 times [2020-10-11 18:39:51,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:39:51,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64451107] [2020-10-11 18:39:51,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:39:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:39:51,476 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 18:39:51,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64451107] [2020-10-11 18:39:51,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:39:51,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:39:51,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717526392] [2020-10-11 18:39:51,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:39:51,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:39:51,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:39:51,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:39:51,653 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 125 [2020-10-11 18:39:51,654 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 255 transitions, 2098 flow. Second operand 7 states. [2020-10-11 18:39:51,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:39:51,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 125 [2020-10-11 18:39:51,655 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:40:02,295 INFO L129 PetriNetUnfolder]: 18476/40181 cut-off events. [2020-10-11 18:40:02,295 INFO L130 PetriNetUnfolder]: For 125412/153923 co-relation queries the response was YES. [2020-10-11 18:40:02,886 INFO L80 FinitePrefix]: Finished finitePrefix Result has 153335 conditions, 40181 events. 18476/40181 cut-off events. For 125412/153923 co-relation queries the response was YES. Maximal size of possible extension queue 5445. Compared 516197 event pairs, 326 based on Foata normal form. 4670/41648 useless extension candidates. Maximal degree in co-relation 153211. Up to 18887 conditions per place. [2020-10-11 18:40:02,989 INFO L132 encePairwiseOnDemand]: 114/125 looper letters, 34 selfloop transitions, 38 changer transitions 1/297 dead transitions. [2020-10-11 18:40:02,989 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 297 transitions, 2522 flow [2020-10-11 18:40:02,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 18:40:02,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-11 18:40:02,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1511 transitions. [2020-10-11 18:40:02,992 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9298461538461539 [2020-10-11 18:40:02,992 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1511 transitions. [2020-10-11 18:40:02,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1511 transitions. [2020-10-11 18:40:02,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:40:02,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1511 transitions. [2020-10-11 18:40:02,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-11 18:40:02,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-11 18:40:02,997 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-11 18:40:02,998 INFO L185 Difference]: Start difference. First operand has 218 places, 255 transitions, 2098 flow. Second operand 13 states and 1511 transitions. [2020-10-11 18:40:02,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 297 transitions, 2522 flow [2020-10-11 18:40:03,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 297 transitions, 2367 flow, removed 70 selfloop flow, removed 12 redundant places. [2020-10-11 18:40:03,624 INFO L241 Difference]: Finished difference. Result has 214 places, 274 transitions, 2229 flow [2020-10-11 18:40:03,625 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=1943, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2229, PETRI_PLACES=214, PETRI_TRANSITIONS=274} [2020-10-11 18:40:03,625 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 94 predicate places. [2020-10-11 18:40:03,625 INFO L481 AbstractCegarLoop]: Abstraction has has 214 places, 274 transitions, 2229 flow [2020-10-11 18:40:03,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:40:03,625 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:40:03,625 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:40:03,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-11 18:40:03,625 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:40:03,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:40:03,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1512949801, now seen corresponding path program 1 times [2020-10-11 18:40:03,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:40:03,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797351291] [2020-10-11 18:40:03,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:40:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:40:04,194 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 18:40:04,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797351291] [2020-10-11 18:40:04,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:40:04,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-11 18:40:04,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647253652] [2020-10-11 18:40:04,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-11 18:40:04,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:40:04,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-11 18:40:04,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2020-10-11 18:40:09,237 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 125 [2020-10-11 18:40:09,238 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 274 transitions, 2229 flow. Second operand 15 states. [2020-10-11 18:40:09,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:40:09,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 125 [2020-10-11 18:40:09,239 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:40:15,492 INFO L129 PetriNetUnfolder]: 9940/33144 cut-off events. [2020-10-11 18:40:15,493 INFO L130 PetriNetUnfolder]: For 148327/178327 co-relation queries the response was YES. [2020-10-11 18:40:15,951 INFO L80 FinitePrefix]: Finished finitePrefix Result has 133970 conditions, 33144 events. 9940/33144 cut-off events. For 148327/178327 co-relation queries the response was YES. Maximal size of possible extension queue 4498. Compared 513040 event pairs, 774 based on Foata normal form. 977/31841 useless extension candidates. Maximal degree in co-relation 133838. Up to 11011 conditions per place. [2020-10-11 18:40:16,049 INFO L132 encePairwiseOnDemand]: 109/125 looper letters, 135 selfloop transitions, 78 changer transitions 7/347 dead transitions. [2020-10-11 18:40:16,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 347 transitions, 3462 flow [2020-10-11 18:40:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-11 18:40:16,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-11 18:40:16,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1603 transitions. [2020-10-11 18:40:16,053 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8015 [2020-10-11 18:40:16,053 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1603 transitions. [2020-10-11 18:40:16,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1603 transitions. [2020-10-11 18:40:16,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:40:16,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1603 transitions. [2020-10-11 18:40:16,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2020-10-11 18:40:16,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 17 states. [2020-10-11 18:40:16,058 INFO L81 ComplementDD]: Finished complementDD. Result 17 states. [2020-10-11 18:40:16,058 INFO L185 Difference]: Start difference. First operand has 214 places, 274 transitions, 2229 flow. Second operand 16 states and 1603 transitions. [2020-10-11 18:40:16,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 347 transitions, 3462 flow [2020-10-11 18:40:32,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 347 transitions, 3367 flow, removed 38 selfloop flow, removed 4 redundant places. [2020-10-11 18:40:32,160 INFO L241 Difference]: Finished difference. Result has 233 places, 316 transitions, 2896 flow [2020-10-11 18:40:32,160 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=2134, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2896, PETRI_PLACES=233, PETRI_TRANSITIONS=316} [2020-10-11 18:40:32,160 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 113 predicate places. [2020-10-11 18:40:32,161 INFO L481 AbstractCegarLoop]: Abstraction has has 233 places, 316 transitions, 2896 flow [2020-10-11 18:40:32,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-11 18:40:32,161 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:40:32,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:40:32,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-11 18:40:32,161 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:40:32,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:40:32,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1656810555, now seen corresponding path program 2 times [2020-10-11 18:40:32,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:40:32,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343480723] [2020-10-11 18:40:32,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:40:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:40:32,574 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2020-10-11 18:40:32,722 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2020-10-11 18:40:33,141 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 18:40:33,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343480723] [2020-10-11 18:40:33,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:40:33,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-11 18:40:33,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526638896] [2020-10-11 18:40:33,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-11 18:40:33,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:40:33,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-11 18:40:33,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2020-10-11 18:40:41,772 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 125 [2020-10-11 18:40:41,774 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 316 transitions, 2896 flow. Second operand 18 states. [2020-10-11 18:40:41,774 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:40:41,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 125 [2020-10-11 18:40:41,774 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:40:42,588 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-10-11 18:40:49,665 INFO L129 PetriNetUnfolder]: 12174/40526 cut-off events. [2020-10-11 18:40:49,665 INFO L130 PetriNetUnfolder]: For 155987/169227 co-relation queries the response was YES. [2020-10-11 18:40:50,342 INFO L80 FinitePrefix]: Finished finitePrefix Result has 142360 conditions, 40526 events. 12174/40526 cut-off events. For 155987/169227 co-relation queries the response was YES. Maximal size of possible extension queue 5485. Compared 643493 event pairs, 910 based on Foata normal form. 1189/38966 useless extension candidates. Maximal degree in co-relation 142214. Up to 8925 conditions per place. [2020-10-11 18:40:50,440 INFO L132 encePairwiseOnDemand]: 106/125 looper letters, 165 selfloop transitions, 136 changer transitions 45/466 dead transitions. [2020-10-11 18:40:50,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 466 transitions, 5567 flow [2020-10-11 18:40:50,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-11 18:40:50,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-11 18:40:50,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2035 transitions. [2020-10-11 18:40:50,444 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7752380952380953 [2020-10-11 18:40:50,444 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2035 transitions. [2020-10-11 18:40:50,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2035 transitions. [2020-10-11 18:40:50,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:40:50,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2035 transitions. [2020-10-11 18:40:50,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2020-10-11 18:40:50,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 22 states. [2020-10-11 18:40:50,451 INFO L81 ComplementDD]: Finished complementDD. Result 22 states. [2020-10-11 18:40:50,451 INFO L185 Difference]: Start difference. First operand has 233 places, 316 transitions, 2896 flow. Second operand 21 states and 2035 transitions. [2020-10-11 18:40:50,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 466 transitions, 5567 flow [2020-10-11 18:40:59,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 466 transitions, 5484 flow, removed 36 selfloop flow, removed 6 redundant places. [2020-10-11 18:40:59,519 INFO L241 Difference]: Finished difference. Result has 255 places, 374 transitions, 4097 flow [2020-10-11 18:40:59,519 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=2841, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=4097, PETRI_PLACES=255, PETRI_TRANSITIONS=374} [2020-10-11 18:40:59,519 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 135 predicate places. [2020-10-11 18:40:59,520 INFO L481 AbstractCegarLoop]: Abstraction has has 255 places, 374 transitions, 4097 flow [2020-10-11 18:40:59,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-11 18:40:59,520 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:40:59,520 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:40:59,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-11 18:40:59,521 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:40:59,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:40:59,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1282368517, now seen corresponding path program 1 times [2020-10-11 18:40:59,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:40:59,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126679287] [2020-10-11 18:40:59,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:40:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:41:00,404 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 18:41:00,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126679287] [2020-10-11 18:41:00,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:41:00,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-10-11 18:41:00,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921223721] [2020-10-11 18:41:00,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-11 18:41:00,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:41:00,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-11 18:41:00,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2020-10-11 18:41:13,540 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 125 [2020-10-11 18:41:13,542 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 374 transitions, 4097 flow. Second operand 24 states. [2020-10-11 18:41:13,542 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:41:13,542 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 125 [2020-10-11 18:41:13,542 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:41:18,116 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 52 [2020-10-11 18:41:19,841 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 58 [2020-10-11 18:41:21,599 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2020-10-11 18:41:22,362 INFO L129 PetriNetUnfolder]: 11547/38415 cut-off events. [2020-10-11 18:41:22,362 INFO L130 PetriNetUnfolder]: For 163964/177767 co-relation queries the response was YES. [2020-10-11 18:41:22,998 INFO L80 FinitePrefix]: Finished finitePrefix Result has 138671 conditions, 38415 events. 11547/38415 cut-off events. For 163964/177767 co-relation queries the response was YES. Maximal size of possible extension queue 5129. Compared 606353 event pairs, 1052 based on Foata normal form. 896/36711 useless extension candidates. Maximal degree in co-relation 138513. Up to 8394 conditions per place. [2020-10-11 18:41:23,100 INFO L132 encePairwiseOnDemand]: 105/125 looper letters, 234 selfloop transitions, 43 changer transitions 29/420 dead transitions. [2020-10-11 18:41:23,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 420 transitions, 5409 flow [2020-10-11 18:41:23,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-11 18:41:23,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-11 18:41:23,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 1941 transitions. [2020-10-11 18:41:23,103 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.6751304347826087 [2020-10-11 18:41:23,103 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 1941 transitions. [2020-10-11 18:41:23,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 1941 transitions. [2020-10-11 18:41:23,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:41:23,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 1941 transitions. [2020-10-11 18:41:23,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 24 states. [2020-10-11 18:41:23,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 24 states. [2020-10-11 18:41:23,110 INFO L81 ComplementDD]: Finished complementDD. Result 24 states. [2020-10-11 18:41:23,110 INFO L185 Difference]: Start difference. First operand has 255 places, 374 transitions, 4097 flow. Second operand 23 states and 1941 transitions. [2020-10-11 18:41:23,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 420 transitions, 5409 flow [2020-10-11 18:41:29,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 420 transitions, 5278 flow, removed 57 selfloop flow, removed 8 redundant places. [2020-10-11 18:41:29,270 INFO L241 Difference]: Finished difference. Result has 277 places, 381 transitions, 4262 flow [2020-10-11 18:41:29,271 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=3976, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=4262, PETRI_PLACES=277, PETRI_TRANSITIONS=381} [2020-10-11 18:41:29,271 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 157 predicate places. [2020-10-11 18:41:29,271 INFO L481 AbstractCegarLoop]: Abstraction has has 277 places, 381 transitions, 4262 flow [2020-10-11 18:41:29,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-11 18:41:29,271 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:41:29,271 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:41:29,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-11 18:41:29,272 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:41:29,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:41:29,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1332971326, now seen corresponding path program 1 times [2020-10-11 18:41:29,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:41:29,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612453390] [2020-10-11 18:41:29,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:41:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:41:30,011 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 18:41:30,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612453390] [2020-10-11 18:41:30,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:41:30,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-11 18:41:30,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459753078] [2020-10-11 18:41:30,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-11 18:41:30,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:41:30,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-11 18:41:30,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2020-10-11 18:41:37,340 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 125 [2020-10-11 18:41:37,342 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 381 transitions, 4262 flow. Second operand 20 states. [2020-10-11 18:41:37,342 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:41:37,342 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 125 [2020-10-11 18:41:37,342 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:42:02,529 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-10-11 18:42:04,401 INFO L129 PetriNetUnfolder]: 26162/85736 cut-off events. [2020-10-11 18:42:04,402 INFO L130 PetriNetUnfolder]: For 395651/432020 co-relation queries the response was YES. [2020-10-11 18:42:06,113 INFO L80 FinitePrefix]: Finished finitePrefix Result has 314935 conditions, 85736 events. 26162/85736 cut-off events. For 395651/432020 co-relation queries the response was YES. Maximal size of possible extension queue 11794. Compared 1487559 event pairs, 1976 based on Foata normal form. 2302/82057 useless extension candidates. Maximal degree in co-relation 314766. Up to 20732 conditions per place. [2020-10-11 18:42:06,326 INFO L132 encePairwiseOnDemand]: 105/125 looper letters, 243 selfloop transitions, 190 changer transitions 101/663 dead transitions. [2020-10-11 18:42:06,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 663 transitions, 9591 flow [2020-10-11 18:42:06,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-11 18:42:06,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-11 18:42:06,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 2617 transitions. [2020-10-11 18:42:06,331 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7754074074074074 [2020-10-11 18:42:06,331 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 2617 transitions. [2020-10-11 18:42:06,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 2617 transitions. [2020-10-11 18:42:06,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:42:06,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 2617 transitions. [2020-10-11 18:42:06,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 28 states. [2020-10-11 18:42:06,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 28 states. [2020-10-11 18:42:06,338 INFO L81 ComplementDD]: Finished complementDD. Result 28 states. [2020-10-11 18:42:06,338 INFO L185 Difference]: Start difference. First operand has 277 places, 381 transitions, 4262 flow. Second operand 27 states and 2617 transitions. [2020-10-11 18:42:06,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 663 transitions, 9591 flow [2020-10-11 18:42:47,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 663 transitions, 9441 flow, removed 46 selfloop flow, removed 17 redundant places. [2020-10-11 18:42:47,962 INFO L241 Difference]: Finished difference. Result has 295 places, 452 transitions, 6295 flow [2020-10-11 18:42:47,962 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=4156, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=6295, PETRI_PLACES=295, PETRI_TRANSITIONS=452} [2020-10-11 18:42:47,963 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 175 predicate places. [2020-10-11 18:42:47,963 INFO L481 AbstractCegarLoop]: Abstraction has has 295 places, 452 transitions, 6295 flow [2020-10-11 18:42:47,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-11 18:42:47,963 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:42:47,963 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:42:47,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-11 18:42:47,963 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:42:47,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:42:47,964 INFO L82 PathProgramCache]: Analyzing trace with hash -471291900, now seen corresponding path program 1 times [2020-10-11 18:42:47,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:42:47,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541052721] [2020-10-11 18:42:47,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:42:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:42:48,133 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 18:42:48,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541052721] [2020-10-11 18:42:48,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:42:48,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-11 18:42:48,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820925433] [2020-10-11 18:42:48,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-11 18:42:48,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:42:48,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-11 18:42:48,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-11 18:42:48,332 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 125 [2020-10-11 18:42:48,333 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 452 transitions, 6295 flow. Second operand 8 states. [2020-10-11 18:42:48,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:42:48,333 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 125 [2020-10-11 18:42:48,333 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:43:30,229 INFO L129 PetriNetUnfolder]: 59905/124857 cut-off events. [2020-10-11 18:43:30,229 INFO L130 PetriNetUnfolder]: For 934645/1116212 co-relation queries the response was YES. [2020-10-11 18:43:35,437 INFO L80 FinitePrefix]: Finished finitePrefix Result has 601592 conditions, 124857 events. 59905/124857 cut-off events. For 934645/1116212 co-relation queries the response was YES. Maximal size of possible extension queue 18200. Compared 1793228 event pairs, 257 based on Foata normal form. 19781/134883 useless extension candidates. Maximal degree in co-relation 601425. Up to 47416 conditions per place. [2020-10-11 18:43:35,771 INFO L132 encePairwiseOnDemand]: 114/125 looper letters, 28 selfloop transitions, 58 changer transitions 57/490 dead transitions. [2020-10-11 18:43:35,772 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 490 transitions, 6788 flow [2020-10-11 18:43:35,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-11 18:43:35,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-11 18:43:35,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1861 transitions. [2020-10-11 18:43:35,774 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9305 [2020-10-11 18:43:35,774 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1861 transitions. [2020-10-11 18:43:35,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1861 transitions. [2020-10-11 18:43:35,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:43:35,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1861 transitions. [2020-10-11 18:43:35,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2020-10-11 18:43:35,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 17 states. [2020-10-11 18:43:35,779 INFO L81 ComplementDD]: Finished complementDD. Result 17 states. [2020-10-11 18:43:35,779 INFO L185 Difference]: Start difference. First operand has 295 places, 452 transitions, 6295 flow. Second operand 16 states and 1861 transitions. [2020-10-11 18:43:35,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 490 transitions, 6788 flow [2020-10-11 18:45:15,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 490 transitions, 6495 flow, removed 137 selfloop flow, removed 12 redundant places. [2020-10-11 18:45:15,761 INFO L241 Difference]: Finished difference. Result has 299 places, 423 transitions, 5464 flow [2020-10-11 18:45:15,762 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=5801, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=5464, PETRI_PLACES=299, PETRI_TRANSITIONS=423} [2020-10-11 18:45:15,762 INFO L341 CegarLoopForPetriNet]: 120 programPoint places, 179 predicate places. [2020-10-11 18:45:15,762 INFO L481 AbstractCegarLoop]: Abstraction has has 299 places, 423 transitions, 5464 flow [2020-10-11 18:45:15,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-11 18:45:15,762 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:45:15,763 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:45:15,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-11 18:45:15,763 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:45:15,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:45:15,763 INFO L82 PathProgramCache]: Analyzing trace with hash -971428446, now seen corresponding path program 1 times [2020-10-11 18:45:15,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:45:15,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820447456] [2020-10-11 18:45:15,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:45:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:45:16,596 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 18:45:16,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820447456] [2020-10-11 18:45:16,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:45:16,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-11 18:45:16,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328211975] [2020-10-11 18:45:16,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-11 18:45:16,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:45:16,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-11 18:45:16,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2020-10-11 18:45:26,008 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 125 [2020-10-11 18:45:26,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 423 transitions, 5464 flow. Second operand 19 states. [2020-10-11 18:45:26,010 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:45:26,010 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 125 [2020-10-11 18:45:26,010 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:45:52,271 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-10-11 18:45:52,641 INFO L129 PetriNetUnfolder]: 38337/109186 cut-off events. [2020-10-11 18:45:52,641 INFO L130 PetriNetUnfolder]: For 783821/824934 co-relation queries the response was YES. [2020-10-11 18:45:57,372 INFO L80 FinitePrefix]: Finished finitePrefix Result has 486458 conditions, 109186 events. 38337/109186 cut-off events. For 783821/824934 co-relation queries the response was YES. Maximal size of possible extension queue 15474. Compared 1858984 event pairs, 259 based on Foata normal form. 636/103439 useless extension candidates. Maximal degree in co-relation 486283. Up to 33852 conditions per place. [2020-10-11 18:45:57,660 INFO L132 encePairwiseOnDemand]: 107/125 looper letters, 183 selfloop transitions, 114 changer transitions 20/473 dead transitions. [2020-10-11 18:45:57,661 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 473 transitions, 6925 flow [2020-10-11 18:45:57,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-11 18:45:57,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-11 18:45:57,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1840 transitions. [2020-10-11 18:45:57,663 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7747368421052632 [2020-10-11 18:45:57,663 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1840 transitions. [2020-10-11 18:45:57,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1840 transitions. [2020-10-11 18:45:57,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:45:57,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1840 transitions. [2020-10-11 18:45:57,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 20 states. [2020-10-11 18:45:57,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 20 states. [2020-10-11 18:45:57,668 INFO L81 ComplementDD]: Finished complementDD. Result 20 states. [2020-10-11 18:45:57,668 INFO L185 Difference]: Start difference. First operand has 299 places, 423 transitions, 5464 flow. Second operand 19 states and 1840 transitions. [2020-10-11 18:45:57,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 473 transitions, 6925 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown