/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_15-list_entry_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 23:06:58,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 23:06:58,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 23:06:58,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-16 23:06:58,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 23:06:59,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 23:06:59,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 23:06:59,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 23:06:59,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 23:06:59,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 23:06:59,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 23:06:59,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 23:06:59,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 23:06:59,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 23:06:59,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 23:06:59,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 23:06:59,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-16 23:06:59,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 23:06:59,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 23:06:59,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 23:06:59,026 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2021-10-16 23:06:59,054 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 23:06:59,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 23:06:59,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 23:06:59,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 23:06:59,056 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 23:06:59,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 23:06:59,056 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 23:06:59,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 23:06:59,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 23:06:59,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 23:06:59,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 23:06:59,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 23:06:59,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 23:06:59,057 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 23:06:59,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 23:06:59,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 23:06:59,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 23:06:59,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 23:06:59,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 23:06:59,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 23:06:59,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 23:06:59,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:06:59,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 23:06:59,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 23:06:59,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 23:06:59,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 23:06:59,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 23:06:59,058 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 23:06:59,058 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-16 23:06:59,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 23:06:59,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 23:06:59,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 23:06:59,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 23:06:59,292 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 23:06:59,292 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 23:06:59,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_15-list_entry_nr.i [2021-10-16 23:06:59,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57e1ba7bd/c77155268b684497bd31026d1a906fae/FLAGbb1b1030d [2021-10-16 23:06:59,729 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 23:06:59,729 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_15-list_entry_nr.i [2021-10-16 23:06:59,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57e1ba7bd/c77155268b684497bd31026d1a906fae/FLAGbb1b1030d [2021-10-16 23:07:00,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57e1ba7bd/c77155268b684497bd31026d1a906fae [2021-10-16 23:07:00,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 23:07:00,061 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 23:07:00,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 23:07:00,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 23:07:00,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 23:07:00,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:07:00" (1/1) ... [2021-10-16 23:07:00,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427d51f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:00, skipping insertion in model container [2021-10-16 23:07:00,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:07:00" (1/1) ... [2021-10-16 23:07:00,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 23:07:00,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 23:07:00,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:07:00,411 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 23:07:00,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:07:00,497 INFO L208 MainTranslator]: Completed translation [2021-10-16 23:07:00,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:00 WrapperNode [2021-10-16 23:07:00,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 23:07:00,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 23:07:00,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 23:07:00,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 23:07:00,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:00" (1/1) ... [2021-10-16 23:07:00,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:00" (1/1) ... [2021-10-16 23:07:00,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 23:07:00,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 23:07:00,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 23:07:00,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 23:07:00,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:00" (1/1) ... [2021-10-16 23:07:00,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:00" (1/1) ... [2021-10-16 23:07:00,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:00" (1/1) ... [2021-10-16 23:07:00,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:00" (1/1) ... [2021-10-16 23:07:00,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:00" (1/1) ... [2021-10-16 23:07:00,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:00" (1/1) ... [2021-10-16 23:07:00,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:00" (1/1) ... [2021-10-16 23:07:00,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 23:07:00,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 23:07:00,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 23:07:00,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 23:07:00,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:00" (1/1) ... [2021-10-16 23:07:00,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:07:00,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 23:07:00,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 23:07:00,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 23:07:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 23:07:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 23:07:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 23:07:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 23:07:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 23:07:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 23:07:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 23:07:00,628 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 23:07:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 23:07:00,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 23:07:00,630 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 23:07:00,994 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 23:07:00,995 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-16 23:07:00,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:07:00 BoogieIcfgContainer [2021-10-16 23:07:00,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 23:07:00,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 23:07:00,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 23:07:01,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 23:07:01,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:07:00" (1/3) ... [2021-10-16 23:07:01,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cef2e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:07:01, skipping insertion in model container [2021-10-16 23:07:01,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:07:00" (2/3) ... [2021-10-16 23:07:01,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cef2e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:07:01, skipping insertion in model container [2021-10-16 23:07:01,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:07:00" (3/3) ... [2021-10-16 23:07:01,007 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_15-list_entry_nr.i [2021-10-16 23:07:01,011 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 23:07:01,011 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-16 23:07:01,011 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 23:07:01,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,039 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,039 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,039 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,040 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,040 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,041 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,041 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,042 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,042 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,042 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,042 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,043 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,043 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,043 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,044 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,044 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,045 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,045 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,045 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,045 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,045 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,045 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,045 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,045 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,046 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,046 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,046 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,046 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,046 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,047 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,047 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,047 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,047 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,047 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,047 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,047 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,047 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,047 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,048 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,048 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,048 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,048 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,048 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,049 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,049 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,049 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,049 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,049 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,049 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,049 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,050 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,050 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,050 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,050 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,051 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,051 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,051 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,051 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,052 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,054 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,054 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,058 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,059 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,059 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,059 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,059 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,059 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,059 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,059 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,060 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,060 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,060 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,060 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,060 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,060 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,060 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,061 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,061 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,061 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,061 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,061 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,061 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,062 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,062 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,062 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,062 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,066 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,067 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_update_~s~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,067 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_update_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:07:01,071 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-16 23:07:01,105 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 23:07:01,109 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 23:07:01,110 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-16 23:07:01,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 105 transitions, 215 flow [2021-10-16 23:07:01,165 INFO L129 PetriNetUnfolder]: 0/104 cut-off events. [2021-10-16 23:07:01,165 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:07:01,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 104 events. 0/104 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-10-16 23:07:01,166 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 105 transitions, 215 flow [2021-10-16 23:07:01,170 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 108 places, 104 transitions, 211 flow [2021-10-16 23:07:01,172 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-10-16 23:07:01,172 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:07:01,179 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:01,180 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:07:01,180 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:01,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:01,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1316729800, now seen corresponding path program 1 times [2021-10-16 23:07:01,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:01,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823693656] [2021-10-16 23:07:01,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:01,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:01,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:01,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:01,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823693656] [2021-10-16 23:07:01,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823693656] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:01,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:01,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:07:01,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311538071] [2021-10-16 23:07:01,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:07:01,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:01,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:07:01,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:07:01,376 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 105 [2021-10-16 23:07:01,380 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 104 transitions, 211 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:01,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:01,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 105 [2021-10-16 23:07:01,382 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:01,423 INFO L129 PetriNetUnfolder]: 1/134 cut-off events. [2021-10-16 23:07:01,424 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:07:01,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 134 events. 1/134 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 196 event pairs, 1 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 103. Up to 9 conditions per place. [2021-10-16 23:07:01,426 INFO L132 encePairwiseOnDemand]: 102/105 looper letters, 6 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2021-10-16 23:07:01,426 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 103 transitions, 225 flow [2021-10-16 23:07:01,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:07:01,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:07:01,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions. [2021-10-16 23:07:01,434 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9428571428571428 [2021-10-16 23:07:01,435 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 297 transitions. [2021-10-16 23:07:01,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 297 transitions. [2021-10-16 23:07:01,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:01,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 297 transitions. [2021-10-16 23:07:01,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:01,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:01,444 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 105.0) internal successors, (420), 4 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:01,445 INFO L186 Difference]: Start difference. First operand has 108 places, 104 transitions, 211 flow. Second operand 3 states and 297 transitions. [2021-10-16 23:07:01,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 103 transitions, 225 flow [2021-10-16 23:07:01,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 103 transitions, 224 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-16 23:07:01,454 INFO L242 Difference]: Finished difference. Result has 108 places, 103 transitions, 212 flow [2021-10-16 23:07:01,458 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=108, PETRI_TRANSITIONS=103} [2021-10-16 23:07:01,458 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 0 predicate places. [2021-10-16 23:07:01,459 INFO L470 AbstractCegarLoop]: Abstraction has has 108 places, 103 transitions, 212 flow [2021-10-16 23:07:01,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:01,459 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:01,459 INFO L254 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] [2021-10-16 23:07:01,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 23:07:01,459 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:01,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:01,460 INFO L82 PathProgramCache]: Analyzing trace with hash 406724802, now seen corresponding path program 1 times [2021-10-16 23:07:01,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:01,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234678700] [2021-10-16 23:07:01,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:01,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:01,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:01,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:01,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234678700] [2021-10-16 23:07:01,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234678700] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:01,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:01,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 23:07:01,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291677635] [2021-10-16 23:07:01,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 23:07:01,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:01,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 23:07:01,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 23:07:01,588 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 105 [2021-10-16 23:07:01,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 103 transitions, 212 flow. Second operand has 6 states, 6 states have (on average 74.5) internal successors, (447), 6 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:01,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:01,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 105 [2021-10-16 23:07:01,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:01,767 INFO L129 PetriNetUnfolder]: 100/500 cut-off events. [2021-10-16 23:07:01,767 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:07:01,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 738 conditions, 500 events. 100/500 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2541 event pairs, 100 based on Foata normal form. 0/475 useless extension candidates. Maximal degree in co-relation 719. Up to 227 conditions per place. [2021-10-16 23:07:01,770 INFO L132 encePairwiseOnDemand]: 99/105 looper letters, 26 selfloop transitions, 5 changer transitions 0/102 dead transitions. [2021-10-16 23:07:01,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 102 transitions, 272 flow [2021-10-16 23:07:01,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 23:07:01,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-16 23:07:01,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 470 transitions. [2021-10-16 23:07:01,776 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.746031746031746 [2021-10-16 23:07:01,776 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 470 transitions. [2021-10-16 23:07:01,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 470 transitions. [2021-10-16 23:07:01,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:01,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 470 transitions. [2021-10-16 23:07:01,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 78.33333333333333) internal successors, (470), 6 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:01,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 105.0) internal successors, (735), 7 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:01,784 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 105.0) internal successors, (735), 7 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:01,784 INFO L186 Difference]: Start difference. First operand has 108 places, 103 transitions, 212 flow. Second operand 6 states and 470 transitions. [2021-10-16 23:07:01,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 102 transitions, 272 flow [2021-10-16 23:07:01,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 102 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:07:01,787 INFO L242 Difference]: Finished difference. Result has 110 places, 102 transitions, 216 flow [2021-10-16 23:07:01,787 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=216, PETRI_PLACES=110, PETRI_TRANSITIONS=102} [2021-10-16 23:07:01,788 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 2 predicate places. [2021-10-16 23:07:01,788 INFO L470 AbstractCegarLoop]: Abstraction has has 110 places, 102 transitions, 216 flow [2021-10-16 23:07:01,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 74.5) internal successors, (447), 6 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:01,788 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:01,789 INFO L254 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] [2021-10-16 23:07:01,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 23:07:01,789 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:01,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:01,789 INFO L82 PathProgramCache]: Analyzing trace with hash 718469899, now seen corresponding path program 1 times [2021-10-16 23:07:01,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:01,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143453512] [2021-10-16 23:07:01,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:01,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:01,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:01,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:01,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143453512] [2021-10-16 23:07:01,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143453512] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:01,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:01,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 23:07:01,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419665148] [2021-10-16 23:07:01,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 23:07:01,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:01,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 23:07:01,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 23:07:01,927 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 105 [2021-10-16 23:07:01,927 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 102 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 73.5) internal successors, (441), 6 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:01,927 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:01,927 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 105 [2021-10-16 23:07:01,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:02,242 INFO L129 PetriNetUnfolder]: 224/839 cut-off events. [2021-10-16 23:07:02,242 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-16 23:07:02,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1336 conditions, 839 events. 224/839 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4841 event pairs, 122 based on Foata normal form. 0/796 useless extension candidates. Maximal degree in co-relation 1295. Up to 413 conditions per place. [2021-10-16 23:07:02,246 INFO L132 encePairwiseOnDemand]: 90/105 looper letters, 37 selfloop transitions, 38 changer transitions 4/147 dead transitions. [2021-10-16 23:07:02,246 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 147 transitions, 464 flow [2021-10-16 23:07:02,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 23:07:02,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-16 23:07:02,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 500 transitions. [2021-10-16 23:07:02,247 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7936507936507936 [2021-10-16 23:07:02,247 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 500 transitions. [2021-10-16 23:07:02,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 500 transitions. [2021-10-16 23:07:02,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:02,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 500 transitions. [2021-10-16 23:07:02,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 83.33333333333333) internal successors, (500), 6 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:02,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 105.0) internal successors, (735), 7 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:02,250 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 105.0) internal successors, (735), 7 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:02,250 INFO L186 Difference]: Start difference. First operand has 110 places, 102 transitions, 216 flow. Second operand 6 states and 500 transitions. [2021-10-16 23:07:02,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 147 transitions, 464 flow [2021-10-16 23:07:02,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 147 transitions, 454 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-10-16 23:07:02,253 INFO L242 Difference]: Finished difference. Result has 115 places, 139 transitions, 460 flow [2021-10-16 23:07:02,253 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=460, PETRI_PLACES=115, PETRI_TRANSITIONS=139} [2021-10-16 23:07:02,253 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 7 predicate places. [2021-10-16 23:07:02,253 INFO L470 AbstractCegarLoop]: Abstraction has has 115 places, 139 transitions, 460 flow [2021-10-16 23:07:02,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 73.5) internal successors, (441), 6 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:02,254 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:02,254 INFO L254 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] [2021-10-16 23:07:02,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 23:07:02,254 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:02,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:02,254 INFO L82 PathProgramCache]: Analyzing trace with hash -923405288, now seen corresponding path program 1 times [2021-10-16 23:07:02,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:02,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474255277] [2021-10-16 23:07:02,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:02,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:02,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:02,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:02,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474255277] [2021-10-16 23:07:02,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474255277] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:02,363 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:02,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 23:07:02,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140666654] [2021-10-16 23:07:02,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 23:07:02,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:02,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 23:07:02,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 23:07:02,365 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 105 [2021-10-16 23:07:02,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 139 transitions, 460 flow. Second operand has 6 states, 6 states have (on average 74.33333333333333) internal successors, (446), 6 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:02,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:02,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 105 [2021-10-16 23:07:02,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:02,604 INFO L129 PetriNetUnfolder]: 295/1013 cut-off events. [2021-10-16 23:07:02,604 INFO L130 PetriNetUnfolder]: For 261/264 co-relation queries the response was YES. [2021-10-16 23:07:02,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2201 conditions, 1013 events. 295/1013 cut-off events. For 261/264 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6061 event pairs, 99 based on Foata normal form. 0/988 useless extension candidates. Maximal degree in co-relation 2153. Up to 526 conditions per place. [2021-10-16 23:07:02,609 INFO L132 encePairwiseOnDemand]: 90/105 looper letters, 68 selfloop transitions, 42 changer transitions 11/191 dead transitions. [2021-10-16 23:07:02,609 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 191 transitions, 902 flow [2021-10-16 23:07:02,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 23:07:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-16 23:07:02,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 505 transitions. [2021-10-16 23:07:02,610 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8015873015873016 [2021-10-16 23:07:02,610 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 505 transitions. [2021-10-16 23:07:02,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 505 transitions. [2021-10-16 23:07:02,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:02,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 505 transitions. [2021-10-16 23:07:02,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 84.16666666666667) internal successors, (505), 6 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:02,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 105.0) internal successors, (735), 7 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:02,613 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 105.0) internal successors, (735), 7 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:02,613 INFO L186 Difference]: Start difference. First operand has 115 places, 139 transitions, 460 flow. Second operand 6 states and 505 transitions. [2021-10-16 23:07:02,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 191 transitions, 902 flow [2021-10-16 23:07:02,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 191 transitions, 902 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-16 23:07:02,623 INFO L242 Difference]: Finished difference. Result has 125 places, 176 transitions, 788 flow [2021-10-16 23:07:02,623 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=788, PETRI_PLACES=125, PETRI_TRANSITIONS=176} [2021-10-16 23:07:02,623 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 17 predicate places. [2021-10-16 23:07:02,623 INFO L470 AbstractCegarLoop]: Abstraction has has 125 places, 176 transitions, 788 flow [2021-10-16 23:07:02,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 74.33333333333333) internal successors, (446), 6 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:02,624 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:02,624 INFO L254 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] [2021-10-16 23:07:02,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 23:07:02,626 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:02,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:02,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1423198910, now seen corresponding path program 1 times [2021-10-16 23:07:02,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:02,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064091814] [2021-10-16 23:07:02,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:02,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:03,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:03,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:03,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064091814] [2021-10-16 23:07:03,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064091814] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:03,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:03,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:03,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226377625] [2021-10-16 23:07:03,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:03,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:03,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:03,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:03,042 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:03,042 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 176 transitions, 788 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:03,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:03,042 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:03,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:03,891 INFO L129 PetriNetUnfolder]: 847/2664 cut-off events. [2021-10-16 23:07:03,891 INFO L130 PetriNetUnfolder]: For 1679/1679 co-relation queries the response was YES. [2021-10-16 23:07:03,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6899 conditions, 2664 events. 847/2664 cut-off events. For 1679/1679 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 19706 event pairs, 42 based on Foata normal form. 12/2670 useless extension candidates. Maximal degree in co-relation 6843. Up to 853 conditions per place. [2021-10-16 23:07:03,904 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 279 selfloop transitions, 10 changer transitions 45/394 dead transitions. [2021-10-16 23:07:03,905 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 394 transitions, 2588 flow [2021-10-16 23:07:03,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:03,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:03,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 854 transitions. [2021-10-16 23:07:03,907 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7393939393939394 [2021-10-16 23:07:03,907 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 854 transitions. [2021-10-16 23:07:03,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 854 transitions. [2021-10-16 23:07:03,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:03,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 854 transitions. [2021-10-16 23:07:03,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 77.63636363636364) internal successors, (854), 11 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:03,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:03,911 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:03,911 INFO L186 Difference]: Start difference. First operand has 125 places, 176 transitions, 788 flow. Second operand 11 states and 854 transitions. [2021-10-16 23:07:03,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 394 transitions, 2588 flow [2021-10-16 23:07:03,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 394 transitions, 2552 flow, removed 18 selfloop flow, removed 0 redundant places. [2021-10-16 23:07:03,930 INFO L242 Difference]: Finished difference. Result has 142 places, 182 transitions, 837 flow [2021-10-16 23:07:03,931 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=125, 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=11, PETRI_FLOW=837, PETRI_PLACES=142, PETRI_TRANSITIONS=182} [2021-10-16 23:07:03,931 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 34 predicate places. [2021-10-16 23:07:03,931 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 182 transitions, 837 flow [2021-10-16 23:07:03,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:03,932 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:03,932 INFO L254 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] [2021-10-16 23:07:03,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 23:07:03,932 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:03,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:03,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1905485004, now seen corresponding path program 2 times [2021-10-16 23:07:03,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:03,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085711740] [2021-10-16 23:07:03,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:03,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:04,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:04,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085711740] [2021-10-16 23:07:04,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085711740] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:04,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:04,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:04,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255313135] [2021-10-16 23:07:04,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:04,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:04,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:04,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:04,223 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:04,223 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 182 transitions, 837 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:04,223 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:04,223 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:04,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:04,954 INFO L129 PetriNetUnfolder]: 860/2736 cut-off events. [2021-10-16 23:07:04,955 INFO L130 PetriNetUnfolder]: For 2241/2245 co-relation queries the response was YES. [2021-10-16 23:07:04,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7600 conditions, 2736 events. 860/2736 cut-off events. For 2241/2245 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 20617 event pairs, 51 based on Foata normal form. 14/2742 useless extension candidates. Maximal degree in co-relation 7533. Up to 1270 conditions per place. [2021-10-16 23:07:04,970 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 178 selfloop transitions, 15 changer transitions 58/311 dead transitions. [2021-10-16 23:07:04,970 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 311 transitions, 1977 flow [2021-10-16 23:07:04,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:04,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:04,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 837 transitions. [2021-10-16 23:07:04,972 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7246753246753247 [2021-10-16 23:07:04,972 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 837 transitions. [2021-10-16 23:07:04,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 837 transitions. [2021-10-16 23:07:04,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:04,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 837 transitions. [2021-10-16 23:07:04,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 76.0909090909091) internal successors, (837), 11 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:04,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:04,975 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:04,975 INFO L186 Difference]: Start difference. First operand has 142 places, 182 transitions, 837 flow. Second operand 11 states and 837 transitions. [2021-10-16 23:07:04,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 311 transitions, 1977 flow [2021-10-16 23:07:04,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 311 transitions, 1966 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-10-16 23:07:04,988 INFO L242 Difference]: Finished difference. Result has 151 places, 182 transitions, 874 flow [2021-10-16 23:07:04,988 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=874, PETRI_PLACES=151, PETRI_TRANSITIONS=182} [2021-10-16 23:07:04,988 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 43 predicate places. [2021-10-16 23:07:04,988 INFO L470 AbstractCegarLoop]: Abstraction has has 151 places, 182 transitions, 874 flow [2021-10-16 23:07:04,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:04,989 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:04,989 INFO L254 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] [2021-10-16 23:07:04,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 23:07:04,989 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:04,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:04,989 INFO L82 PathProgramCache]: Analyzing trace with hash -414562992, now seen corresponding path program 3 times [2021-10-16 23:07:04,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:04,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310576701] [2021-10-16 23:07:04,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:04,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:05,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:05,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310576701] [2021-10-16 23:07:05,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310576701] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:05,211 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:05,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:05,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365348856] [2021-10-16 23:07:05,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:05,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:05,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:05,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:05,212 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:05,213 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 182 transitions, 874 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:05,213 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:05,213 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:05,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:05,967 INFO L129 PetriNetUnfolder]: 809/2589 cut-off events. [2021-10-16 23:07:05,967 INFO L130 PetriNetUnfolder]: For 2755/2772 co-relation queries the response was YES. [2021-10-16 23:07:05,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7635 conditions, 2589 events. 809/2589 cut-off events. For 2755/2772 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 19088 event pairs, 64 based on Foata normal form. 14/2596 useless extension candidates. Maximal degree in co-relation 7564. Up to 830 conditions per place. [2021-10-16 23:07:05,985 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 281 selfloop transitions, 11 changer transitions 43/395 dead transitions. [2021-10-16 23:07:05,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 395 transitions, 2768 flow [2021-10-16 23:07:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:05,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:05,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 850 transitions. [2021-10-16 23:07:05,988 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7359307359307359 [2021-10-16 23:07:05,988 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 850 transitions. [2021-10-16 23:07:05,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 850 transitions. [2021-10-16 23:07:05,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:05,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 850 transitions. [2021-10-16 23:07:05,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 77.27272727272727) internal successors, (850), 11 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:05,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:05,992 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:05,992 INFO L186 Difference]: Start difference. First operand has 151 places, 182 transitions, 874 flow. Second operand 11 states and 850 transitions. [2021-10-16 23:07:05,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 395 transitions, 2768 flow [2021-10-16 23:07:06,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 395 transitions, 2700 flow, removed 9 selfloop flow, removed 9 redundant places. [2021-10-16 23:07:06,006 INFO L242 Difference]: Finished difference. Result has 156 places, 186 transitions, 912 flow [2021-10-16 23:07:06,006 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=844, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=912, PETRI_PLACES=156, PETRI_TRANSITIONS=186} [2021-10-16 23:07:06,007 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 48 predicate places. [2021-10-16 23:07:06,007 INFO L470 AbstractCegarLoop]: Abstraction has has 156 places, 186 transitions, 912 flow [2021-10-16 23:07:06,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:06,010 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:06,010 INFO L254 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] [2021-10-16 23:07:06,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 23:07:06,011 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:06,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:06,011 INFO L82 PathProgramCache]: Analyzing trace with hash 834516206, now seen corresponding path program 4 times [2021-10-16 23:07:06,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:06,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345001576] [2021-10-16 23:07:06,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:06,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:06,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:06,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345001576] [2021-10-16 23:07:06,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345001576] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:06,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:06,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:06,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171440680] [2021-10-16 23:07:06,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:06,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:06,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:06,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:06,262 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:06,262 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 186 transitions, 912 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:06,262 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:06,262 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:06,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:07,169 INFO L129 PetriNetUnfolder]: 1137/3612 cut-off events. [2021-10-16 23:07:07,169 INFO L130 PetriNetUnfolder]: For 4748/4751 co-relation queries the response was YES. [2021-10-16 23:07:07,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10791 conditions, 3612 events. 1137/3612 cut-off events. For 4748/4751 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 29155 event pairs, 129 based on Foata normal form. 13/3612 useless extension candidates. Maximal degree in co-relation 10716. Up to 1457 conditions per place. [2021-10-16 23:07:07,189 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 289 selfloop transitions, 13 changer transitions 39/401 dead transitions. [2021-10-16 23:07:07,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 401 transitions, 2858 flow [2021-10-16 23:07:07,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:07,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 846 transitions. [2021-10-16 23:07:07,190 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7324675324675325 [2021-10-16 23:07:07,191 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 846 transitions. [2021-10-16 23:07:07,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 846 transitions. [2021-10-16 23:07:07,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:07,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 846 transitions. [2021-10-16 23:07:07,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 76.9090909090909) internal successors, (846), 11 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:07,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:07,194 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:07,194 INFO L186 Difference]: Start difference. First operand has 156 places, 186 transitions, 912 flow. Second operand 11 states and 846 transitions. [2021-10-16 23:07:07,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 401 transitions, 2858 flow [2021-10-16 23:07:07,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 401 transitions, 2780 flow, removed 35 selfloop flow, removed 7 redundant places. [2021-10-16 23:07:07,214 INFO L242 Difference]: Finished difference. Result has 162 places, 190 transitions, 964 flow [2021-10-16 23:07:07,214 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=964, PETRI_PLACES=162, PETRI_TRANSITIONS=190} [2021-10-16 23:07:07,214 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 54 predicate places. [2021-10-16 23:07:07,214 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 190 transitions, 964 flow [2021-10-16 23:07:07,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:07,215 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:07,215 INFO L254 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] [2021-10-16 23:07:07,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-16 23:07:07,215 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:07,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:07,215 INFO L82 PathProgramCache]: Analyzing trace with hash 170155898, now seen corresponding path program 5 times [2021-10-16 23:07:07,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:07,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733250594] [2021-10-16 23:07:07,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:07,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:07,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:07,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:07,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733250594] [2021-10-16 23:07:07,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733250594] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:07,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:07,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:07,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543249117] [2021-10-16 23:07:07,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:07,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:07,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:07,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:07,413 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:07,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 190 transitions, 964 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:07,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:07,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:07,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:08,370 INFO L129 PetriNetUnfolder]: 1438/4643 cut-off events. [2021-10-16 23:07:08,370 INFO L130 PetriNetUnfolder]: For 5739/5761 co-relation queries the response was YES. [2021-10-16 23:07:08,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13704 conditions, 4643 events. 1438/4643 cut-off events. For 5739/5761 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 40257 event pairs, 154 based on Foata normal form. 18/4646 useless extension candidates. Maximal degree in co-relation 13628. Up to 1357 conditions per place. [2021-10-16 23:07:08,399 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 384 selfloop transitions, 13 changer transitions 27/484 dead transitions. [2021-10-16 23:07:08,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 484 transitions, 3567 flow [2021-10-16 23:07:08,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:08,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:08,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 862 transitions. [2021-10-16 23:07:08,401 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7463203463203463 [2021-10-16 23:07:08,401 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 862 transitions. [2021-10-16 23:07:08,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 862 transitions. [2021-10-16 23:07:08,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:08,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 862 transitions. [2021-10-16 23:07:08,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 78.36363636363636) internal successors, (862), 11 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:08,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:08,405 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:08,405 INFO L186 Difference]: Start difference. First operand has 162 places, 190 transitions, 964 flow. Second operand 11 states and 862 transitions. [2021-10-16 23:07:08,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 484 transitions, 3567 flow [2021-10-16 23:07:08,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 484 transitions, 3528 flow, removed 6 selfloop flow, removed 7 redundant places. [2021-10-16 23:07:08,432 INFO L242 Difference]: Finished difference. Result has 167 places, 194 transitions, 1021 flow [2021-10-16 23:07:08,432 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=942, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1021, PETRI_PLACES=167, PETRI_TRANSITIONS=194} [2021-10-16 23:07:08,432 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 59 predicate places. [2021-10-16 23:07:08,432 INFO L470 AbstractCegarLoop]: Abstraction has has 167 places, 194 transitions, 1021 flow [2021-10-16 23:07:08,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:08,433 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:08,433 INFO L254 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] [2021-10-16 23:07:08,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-16 23:07:08,433 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:08,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:08,433 INFO L82 PathProgramCache]: Analyzing trace with hash -27231436, now seen corresponding path program 6 times [2021-10-16 23:07:08,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:08,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560806616] [2021-10-16 23:07:08,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:08,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:08,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:08,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560806616] [2021-10-16 23:07:08,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560806616] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:08,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:08,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:08,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757392400] [2021-10-16 23:07:08,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:08,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:08,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:08,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:08,645 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:08,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 194 transitions, 1021 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:08,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:08,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:08,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:09,692 INFO L129 PetriNetUnfolder]: 1798/5848 cut-off events. [2021-10-16 23:07:09,693 INFO L130 PetriNetUnfolder]: For 8403/8426 co-relation queries the response was YES. [2021-10-16 23:07:09,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17447 conditions, 5848 events. 1798/5848 cut-off events. For 8403/8426 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 53744 event pairs, 498 based on Foata normal form. 17/5844 useless extension candidates. Maximal degree in co-relation 17369. Up to 2154 conditions per place. [2021-10-16 23:07:09,725 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 378 selfloop transitions, 14 changer transitions 39/491 dead transitions. [2021-10-16 23:07:09,725 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 491 transitions, 3678 flow [2021-10-16 23:07:09,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:09,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:09,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 862 transitions. [2021-10-16 23:07:09,728 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7463203463203463 [2021-10-16 23:07:09,728 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 862 transitions. [2021-10-16 23:07:09,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 862 transitions. [2021-10-16 23:07:09,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:09,729 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 862 transitions. [2021-10-16 23:07:09,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 78.36363636363636) internal successors, (862), 11 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:09,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:09,731 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:09,732 INFO L186 Difference]: Start difference. First operand has 167 places, 194 transitions, 1021 flow. Second operand 11 states and 862 transitions. [2021-10-16 23:07:09,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 491 transitions, 3678 flow [2021-10-16 23:07:09,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 491 transitions, 3636 flow, removed 5 selfloop flow, removed 7 redundant places. [2021-10-16 23:07:09,764 INFO L242 Difference]: Finished difference. Result has 175 places, 199 transitions, 1107 flow [2021-10-16 23:07:09,764 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1107, PETRI_PLACES=175, PETRI_TRANSITIONS=199} [2021-10-16 23:07:09,764 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 67 predicate places. [2021-10-16 23:07:09,765 INFO L470 AbstractCegarLoop]: Abstraction has has 175 places, 199 transitions, 1107 flow [2021-10-16 23:07:09,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:09,765 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:09,765 INFO L254 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] [2021-10-16 23:07:09,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-16 23:07:09,765 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:09,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:09,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1967568362, now seen corresponding path program 7 times [2021-10-16 23:07:09,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:09,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154698332] [2021-10-16 23:07:09,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:09,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:09,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:09,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154698332] [2021-10-16 23:07:09,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154698332] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:09,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:09,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:09,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690627413] [2021-10-16 23:07:09,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:09,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:09,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:09,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:09,994 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:09,994 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 199 transitions, 1107 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:09,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:09,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:09,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:11,237 INFO L129 PetriNetUnfolder]: 2111/6907 cut-off events. [2021-10-16 23:07:11,237 INFO L130 PetriNetUnfolder]: For 11332/11385 co-relation queries the response was YES. [2021-10-16 23:07:11,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20865 conditions, 6907 events. 2111/6907 cut-off events. For 11332/11385 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 66273 event pairs, 424 based on Foata normal form. 23/6907 useless extension candidates. Maximal degree in co-relation 20782. Up to 2087 conditions per place. [2021-10-16 23:07:11,269 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 389 selfloop transitions, 17 changer transitions 29/495 dead transitions. [2021-10-16 23:07:11,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 495 transitions, 3805 flow [2021-10-16 23:07:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:11,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:11,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 861 transitions. [2021-10-16 23:07:11,272 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7454545454545455 [2021-10-16 23:07:11,272 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 861 transitions. [2021-10-16 23:07:11,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 861 transitions. [2021-10-16 23:07:11,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:11,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 861 transitions. [2021-10-16 23:07:11,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 78.27272727272727) internal successors, (861), 11 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:11,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:11,276 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:11,276 INFO L186 Difference]: Start difference. First operand has 175 places, 199 transitions, 1107 flow. Second operand 11 states and 861 transitions. [2021-10-16 23:07:11,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 495 transitions, 3805 flow [2021-10-16 23:07:11,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 495 transitions, 3750 flow, removed 20 selfloop flow, removed 6 redundant places. [2021-10-16 23:07:11,316 INFO L242 Difference]: Finished difference. Result has 182 places, 204 transitions, 1197 flow [2021-10-16 23:07:11,316 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1074, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1197, PETRI_PLACES=182, PETRI_TRANSITIONS=204} [2021-10-16 23:07:11,316 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 74 predicate places. [2021-10-16 23:07:11,316 INFO L470 AbstractCegarLoop]: Abstraction has has 182 places, 204 transitions, 1197 flow [2021-10-16 23:07:11,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:11,317 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:11,317 INFO L254 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] [2021-10-16 23:07:11,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-16 23:07:11,317 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:11,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:11,317 INFO L82 PathProgramCache]: Analyzing trace with hash 698522866, now seen corresponding path program 8 times [2021-10-16 23:07:11,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:11,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765820577] [2021-10-16 23:07:11,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:11,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:11,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:11,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765820577] [2021-10-16 23:07:11,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765820577] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:11,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:11,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:11,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302001216] [2021-10-16 23:07:11,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:11,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:11,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:11,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:11,517 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:11,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 204 transitions, 1197 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:11,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:11,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:11,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:12,653 INFO L129 PetriNetUnfolder]: 2111/6890 cut-off events. [2021-10-16 23:07:12,653 INFO L130 PetriNetUnfolder]: For 12725/12771 co-relation queries the response was YES. [2021-10-16 23:07:12,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21081 conditions, 6890 events. 2111/6890 cut-off events. For 12725/12771 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 65955 event pairs, 418 based on Foata normal form. 31/6896 useless extension candidates. Maximal degree in co-relation 20995. Up to 1725 conditions per place. [2021-10-16 23:07:12,694 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 375 selfloop transitions, 21 changer transitions 40/496 dead transitions. [2021-10-16 23:07:12,694 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 496 transitions, 3844 flow [2021-10-16 23:07:12,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:12,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:12,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 864 transitions. [2021-10-16 23:07:12,696 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7480519480519481 [2021-10-16 23:07:12,696 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 864 transitions. [2021-10-16 23:07:12,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 864 transitions. [2021-10-16 23:07:12,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:12,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 864 transitions. [2021-10-16 23:07:12,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 78.54545454545455) internal successors, (864), 11 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:12,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:12,699 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:12,699 INFO L186 Difference]: Start difference. First operand has 182 places, 204 transitions, 1197 flow. Second operand 11 states and 864 transitions. [2021-10-16 23:07:12,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 496 transitions, 3844 flow [2021-10-16 23:07:12,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 496 transitions, 3796 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-10-16 23:07:12,745 INFO L242 Difference]: Finished difference. Result has 190 places, 206 transitions, 1253 flow [2021-10-16 23:07:12,746 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1158, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1253, PETRI_PLACES=190, PETRI_TRANSITIONS=206} [2021-10-16 23:07:12,746 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 82 predicate places. [2021-10-16 23:07:12,746 INFO L470 AbstractCegarLoop]: Abstraction has has 190 places, 206 transitions, 1253 flow [2021-10-16 23:07:12,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:12,746 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:12,746 INFO L254 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] [2021-10-16 23:07:12,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-16 23:07:12,747 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:12,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:12,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1724773342, now seen corresponding path program 9 times [2021-10-16 23:07:12,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:12,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034141568] [2021-10-16 23:07:12,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:12,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:13,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:13,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:13,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034141568] [2021-10-16 23:07:13,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034141568] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:13,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:13,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:13,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512654366] [2021-10-16 23:07:13,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:13,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:13,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:13,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:13,014 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:13,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 206 transitions, 1253 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:13,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:13,015 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:13,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:14,238 INFO L129 PetriNetUnfolder]: 2086/6818 cut-off events. [2021-10-16 23:07:14,238 INFO L130 PetriNetUnfolder]: For 13056/13087 co-relation queries the response was YES. [2021-10-16 23:07:14,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21024 conditions, 6818 events. 2086/6818 cut-off events. For 13056/13087 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 65209 event pairs, 635 based on Foata normal form. 18/6806 useless extension candidates. Maximal degree in co-relation 20934. Up to 1473 conditions per place. [2021-10-16 23:07:14,279 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 474 selfloop transitions, 16 changer transitions 27/577 dead transitions. [2021-10-16 23:07:14,279 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 577 transitions, 4581 flow [2021-10-16 23:07:14,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:14,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:14,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 878 transitions. [2021-10-16 23:07:14,281 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7601731601731602 [2021-10-16 23:07:14,281 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 878 transitions. [2021-10-16 23:07:14,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 878 transitions. [2021-10-16 23:07:14,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:14,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 878 transitions. [2021-10-16 23:07:14,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 79.81818181818181) internal successors, (878), 11 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:14,284 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:14,284 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:14,284 INFO L186 Difference]: Start difference. First operand has 190 places, 206 transitions, 1253 flow. Second operand 11 states and 878 transitions. [2021-10-16 23:07:14,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 577 transitions, 4581 flow [2021-10-16 23:07:14,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 577 transitions, 4444 flow, removed 36 selfloop flow, removed 11 redundant places. [2021-10-16 23:07:14,333 INFO L242 Difference]: Finished difference. Result has 192 places, 209 transitions, 1247 flow [2021-10-16 23:07:14,333 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1160, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1247, PETRI_PLACES=192, PETRI_TRANSITIONS=209} [2021-10-16 23:07:14,333 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 84 predicate places. [2021-10-16 23:07:14,334 INFO L470 AbstractCegarLoop]: Abstraction has has 192 places, 209 transitions, 1247 flow [2021-10-16 23:07:14,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:14,334 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:14,334 INFO L254 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] [2021-10-16 23:07:14,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-16 23:07:14,334 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:14,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:14,334 INFO L82 PathProgramCache]: Analyzing trace with hash 841428556, now seen corresponding path program 1 times [2021-10-16 23:07:14,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:14,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279612233] [2021-10-16 23:07:14,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:14,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:14,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:14,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:14,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279612233] [2021-10-16 23:07:14,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279612233] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:14,555 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:14,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:14,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603255056] [2021-10-16 23:07:14,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:14,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:14,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:14,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:14,556 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:14,557 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 209 transitions, 1247 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:14,557 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:14,557 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:14,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:15,742 INFO L129 PetriNetUnfolder]: 2394/7834 cut-off events. [2021-10-16 23:07:15,747 INFO L130 PetriNetUnfolder]: For 12660/12683 co-relation queries the response was YES. [2021-10-16 23:07:15,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23809 conditions, 7834 events. 2394/7834 cut-off events. For 12660/12683 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 77272 event pairs, 676 based on Foata normal form. 14/7814 useless extension candidates. Maximal degree in co-relation 23720. Up to 1993 conditions per place. [2021-10-16 23:07:15,812 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 480 selfloop transitions, 17 changer transitions 28/585 dead transitions. [2021-10-16 23:07:15,812 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 585 transitions, 4638 flow [2021-10-16 23:07:15,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:15,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 879 transitions. [2021-10-16 23:07:15,814 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7610389610389611 [2021-10-16 23:07:15,814 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 879 transitions. [2021-10-16 23:07:15,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 879 transitions. [2021-10-16 23:07:15,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:15,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 879 transitions. [2021-10-16 23:07:15,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 79.9090909090909) internal successors, (879), 11 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:15,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:15,817 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:15,817 INFO L186 Difference]: Start difference. First operand has 192 places, 209 transitions, 1247 flow. Second operand 11 states and 879 transitions. [2021-10-16 23:07:15,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 585 transitions, 4638 flow [2021-10-16 23:07:15,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 585 transitions, 4575 flow, removed 22 selfloop flow, removed 6 redundant places. [2021-10-16 23:07:15,873 INFO L242 Difference]: Finished difference. Result has 199 places, 213 transitions, 1313 flow [2021-10-16 23:07:15,873 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1210, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1313, PETRI_PLACES=199, PETRI_TRANSITIONS=213} [2021-10-16 23:07:15,873 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 91 predicate places. [2021-10-16 23:07:15,873 INFO L470 AbstractCegarLoop]: Abstraction has has 199 places, 213 transitions, 1313 flow [2021-10-16 23:07:15,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:15,874 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:15,874 INFO L254 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] [2021-10-16 23:07:15,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-16 23:07:15,874 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:15,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:15,874 INFO L82 PathProgramCache]: Analyzing trace with hash -361518076, now seen corresponding path program 10 times [2021-10-16 23:07:15,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:15,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198760254] [2021-10-16 23:07:15,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:15,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:16,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:16,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:16,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198760254] [2021-10-16 23:07:16,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198760254] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:16,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:16,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:16,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264168231] [2021-10-16 23:07:16,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:16,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:16,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:16,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:16,092 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:16,093 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 213 transitions, 1313 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:16,093 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:16,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:16,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:17,248 INFO L129 PetriNetUnfolder]: 2383/7893 cut-off events. [2021-10-16 23:07:17,248 INFO L130 PetriNetUnfolder]: For 12622/12646 co-relation queries the response was YES. [2021-10-16 23:07:17,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23824 conditions, 7893 events. 2383/7893 cut-off events. For 12622/12646 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 78280 event pairs, 771 based on Foata normal form. 27/7886 useless extension candidates. Maximal degree in co-relation 23732. Up to 1622 conditions per place. [2021-10-16 23:07:17,303 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 459 selfloop transitions, 14 changer transitions 28/561 dead transitions. [2021-10-16 23:07:17,303 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 561 transitions, 4453 flow [2021-10-16 23:07:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:17,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:17,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 866 transitions. [2021-10-16 23:07:17,304 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7497835497835498 [2021-10-16 23:07:17,304 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 866 transitions. [2021-10-16 23:07:17,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 866 transitions. [2021-10-16 23:07:17,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:17,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 866 transitions. [2021-10-16 23:07:17,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 78.72727272727273) internal successors, (866), 11 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:17,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:17,307 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:17,307 INFO L186 Difference]: Start difference. First operand has 199 places, 213 transitions, 1313 flow. Second operand 11 states and 866 transitions. [2021-10-16 23:07:17,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 561 transitions, 4453 flow [2021-10-16 23:07:17,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 561 transitions, 4419 flow, removed 4 selfloop flow, removed 7 redundant places. [2021-10-16 23:07:17,449 INFO L242 Difference]: Finished difference. Result has 204 places, 213 transitions, 1324 flow [2021-10-16 23:07:17,450 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1285, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1324, PETRI_PLACES=204, PETRI_TRANSITIONS=213} [2021-10-16 23:07:17,450 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 96 predicate places. [2021-10-16 23:07:17,450 INFO L470 AbstractCegarLoop]: Abstraction has has 204 places, 213 transitions, 1324 flow [2021-10-16 23:07:17,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:17,450 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:17,450 INFO L254 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] [2021-10-16 23:07:17,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-16 23:07:17,450 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:17,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:17,451 INFO L82 PathProgramCache]: Analyzing trace with hash 397659316, now seen corresponding path program 2 times [2021-10-16 23:07:17,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:17,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774324628] [2021-10-16 23:07:17,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:17,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:17,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:17,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:17,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774324628] [2021-10-16 23:07:17,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774324628] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:17,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:17,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:17,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169350986] [2021-10-16 23:07:17,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:17,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:17,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:17,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:17,723 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:17,724 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 213 transitions, 1324 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:17,724 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:17,724 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:17,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:18,926 INFO L129 PetriNetUnfolder]: 2072/6836 cut-off events. [2021-10-16 23:07:18,926 INFO L130 PetriNetUnfolder]: For 10926/10946 co-relation queries the response was YES. [2021-10-16 23:07:18,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20704 conditions, 6836 events. 2072/6836 cut-off events. For 10926/10946 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 65664 event pairs, 645 based on Foata normal form. 26/6831 useless extension candidates. Maximal degree in co-relation 20610. Up to 1992 conditions per place. [2021-10-16 23:07:18,963 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 360 selfloop transitions, 13 changer transitions 43/476 dead transitions. [2021-10-16 23:07:18,963 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 476 transitions, 3743 flow [2021-10-16 23:07:18,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:18,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:18,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 851 transitions. [2021-10-16 23:07:18,965 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7367965367965368 [2021-10-16 23:07:18,965 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 851 transitions. [2021-10-16 23:07:18,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 851 transitions. [2021-10-16 23:07:18,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:18,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 851 transitions. [2021-10-16 23:07:18,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 77.36363636363636) internal successors, (851), 11 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:18,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:18,968 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:18,968 INFO L186 Difference]: Start difference. First operand has 204 places, 213 transitions, 1324 flow. Second operand 11 states and 851 transitions. [2021-10-16 23:07:18,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 476 transitions, 3743 flow [2021-10-16 23:07:19,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 476 transitions, 3695 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-10-16 23:07:19,011 INFO L242 Difference]: Finished difference. Result has 206 places, 209 transitions, 1255 flow [2021-10-16 23:07:19,011 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1250, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1255, PETRI_PLACES=206, PETRI_TRANSITIONS=209} [2021-10-16 23:07:19,011 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 98 predicate places. [2021-10-16 23:07:19,011 INFO L470 AbstractCegarLoop]: Abstraction has has 206 places, 209 transitions, 1255 flow [2021-10-16 23:07:19,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:19,012 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:19,012 INFO L254 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] [2021-10-16 23:07:19,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-16 23:07:19,012 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:19,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:19,012 INFO L82 PathProgramCache]: Analyzing trace with hash -427504286, now seen corresponding path program 11 times [2021-10-16 23:07:19,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:19,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885273350] [2021-10-16 23:07:19,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:19,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:19,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:19,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:19,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885273350] [2021-10-16 23:07:19,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885273350] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:19,244 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:19,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:19,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120611990] [2021-10-16 23:07:19,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:19,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:19,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:19,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:19,245 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:19,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 209 transitions, 1255 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:19,246 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:19,246 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:19,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:20,397 INFO L129 PetriNetUnfolder]: 2072/6847 cut-off events. [2021-10-16 23:07:20,397 INFO L130 PetriNetUnfolder]: For 10480/10497 co-relation queries the response was YES. [2021-10-16 23:07:20,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20575 conditions, 6847 events. 2072/6847 cut-off events. For 10480/10497 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 65807 event pairs, 635 based on Foata normal form. 16/6835 useless extension candidates. Maximal degree in co-relation 20480. Up to 1473 conditions per place. [2021-10-16 23:07:20,459 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 460 selfloop transitions, 16 changer transitions 41/577 dead transitions. [2021-10-16 23:07:20,459 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 577 transitions, 4551 flow [2021-10-16 23:07:20,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:20,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:20,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 878 transitions. [2021-10-16 23:07:20,464 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7601731601731602 [2021-10-16 23:07:20,464 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 878 transitions. [2021-10-16 23:07:20,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 878 transitions. [2021-10-16 23:07:20,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:20,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 878 transitions. [2021-10-16 23:07:20,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 79.81818181818181) internal successors, (878), 11 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:20,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:20,467 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:20,467 INFO L186 Difference]: Start difference. First operand has 206 places, 209 transitions, 1255 flow. Second operand 11 states and 878 transitions. [2021-10-16 23:07:20,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 577 transitions, 4551 flow [2021-10-16 23:07:20,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 577 transitions, 4498 flow, removed 14 selfloop flow, removed 11 redundant places. [2021-10-16 23:07:20,519 INFO L242 Difference]: Finished difference. Result has 202 places, 209 transitions, 1260 flow [2021-10-16 23:07:20,519 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1221, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1260, PETRI_PLACES=202, PETRI_TRANSITIONS=209} [2021-10-16 23:07:20,519 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 94 predicate places. [2021-10-16 23:07:20,519 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 209 transitions, 1260 flow [2021-10-16 23:07:20,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:20,520 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:20,520 INFO L254 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] [2021-10-16 23:07:20,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-16 23:07:20,520 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:20,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:20,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1774740494, now seen corresponding path program 3 times [2021-10-16 23:07:20,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:20,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361599411] [2021-10-16 23:07:20,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:20,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:20,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:20,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:20,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361599411] [2021-10-16 23:07:20,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361599411] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:20,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:20,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:20,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399067842] [2021-10-16 23:07:20,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:20,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:20,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:20,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:20,767 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:20,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 209 transitions, 1260 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:20,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:20,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:20,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:21,669 INFO L129 PetriNetUnfolder]: 1736/5802 cut-off events. [2021-10-16 23:07:21,669 INFO L130 PetriNetUnfolder]: For 8581/8590 co-relation queries the response was YES. [2021-10-16 23:07:21,693 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17326 conditions, 5802 events. 1736/5802 cut-off events. For 8581/8590 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 53951 event pairs, 611 based on Foata normal form. 25/5807 useless extension candidates. Maximal degree in co-relation 17234. Up to 1473 conditions per place. [2021-10-16 23:07:21,701 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 341 selfloop transitions, 10 changer transitions 55/466 dead transitions. [2021-10-16 23:07:21,701 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 466 transitions, 3599 flow [2021-10-16 23:07:21,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:21,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 850 transitions. [2021-10-16 23:07:21,703 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7359307359307359 [2021-10-16 23:07:21,703 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 850 transitions. [2021-10-16 23:07:21,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 850 transitions. [2021-10-16 23:07:21,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:21,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 850 transitions. [2021-10-16 23:07:21,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 77.27272727272727) internal successors, (850), 11 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:21,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:21,705 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:21,705 INFO L186 Difference]: Start difference. First operand has 202 places, 209 transitions, 1260 flow. Second operand 11 states and 850 transitions. [2021-10-16 23:07:21,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 466 transitions, 3599 flow [2021-10-16 23:07:21,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 466 transitions, 3519 flow, removed 9 selfloop flow, removed 14 redundant places. [2021-10-16 23:07:21,737 INFO L242 Difference]: Finished difference. Result has 197 places, 201 transitions, 1104 flow [2021-10-16 23:07:21,737 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1157, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1104, PETRI_PLACES=197, PETRI_TRANSITIONS=201} [2021-10-16 23:07:21,738 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 89 predicate places. [2021-10-16 23:07:21,738 INFO L470 AbstractCegarLoop]: Abstraction has has 197 places, 201 transitions, 1104 flow [2021-10-16 23:07:21,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:21,738 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:21,738 INFO L254 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] [2021-10-16 23:07:21,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-16 23:07:21,738 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:21,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:21,738 INFO L82 PathProgramCache]: Analyzing trace with hash 78285172, now seen corresponding path program 4 times [2021-10-16 23:07:21,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:21,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412285604] [2021-10-16 23:07:21,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:21,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:21,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:21,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:21,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412285604] [2021-10-16 23:07:21,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412285604] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:21,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:21,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:21,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436154219] [2021-10-16 23:07:21,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:21,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:21,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:21,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:21,935 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:21,935 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 201 transitions, 1104 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:21,935 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:21,935 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:21,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:22,867 INFO L129 PetriNetUnfolder]: 1424/4673 cut-off events. [2021-10-16 23:07:22,867 INFO L130 PetriNetUnfolder]: For 5323/5335 co-relation queries the response was YES. [2021-10-16 23:07:22,885 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13815 conditions, 4673 events. 1424/4673 cut-off events. For 5323/5335 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 40819 event pairs, 255 based on Foata normal form. 26/4681 useless extension candidates. Maximal degree in co-relation 13775. Up to 2017 conditions per place. [2021-10-16 23:07:22,892 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 256 selfloop transitions, 10 changer transitions 54/380 dead transitions. [2021-10-16 23:07:22,892 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 380 transitions, 2750 flow [2021-10-16 23:07:22,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:22,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:22,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 833 transitions. [2021-10-16 23:07:22,894 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7212121212121212 [2021-10-16 23:07:22,894 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 833 transitions. [2021-10-16 23:07:22,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 833 transitions. [2021-10-16 23:07:22,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:22,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 833 transitions. [2021-10-16 23:07:22,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 75.72727272727273) internal successors, (833), 11 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,896 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,896 INFO L186 Difference]: Start difference. First operand has 197 places, 201 transitions, 1104 flow. Second operand 11 states and 833 transitions. [2021-10-16 23:07:22,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 380 transitions, 2750 flow [2021-10-16 23:07:22,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 380 transitions, 2710 flow, removed 6 selfloop flow, removed 10 redundant places. [2021-10-16 23:07:22,920 INFO L242 Difference]: Finished difference. Result has 189 places, 197 transitions, 1038 flow [2021-10-16 23:07:22,920 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1038, PETRI_PLACES=189, PETRI_TRANSITIONS=197} [2021-10-16 23:07:22,920 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 81 predicate places. [2021-10-16 23:07:22,920 INFO L470 AbstractCegarLoop]: Abstraction has has 189 places, 197 transitions, 1038 flow [2021-10-16 23:07:22,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:22,920 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:22,921 INFO L254 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] [2021-10-16 23:07:22,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-16 23:07:22,921 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:22,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:22,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1563299026, now seen corresponding path program 5 times [2021-10-16 23:07:22,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:22,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206160643] [2021-10-16 23:07:22,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:22,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:23,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:23,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:23,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206160643] [2021-10-16 23:07:23,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206160643] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:23,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:23,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:23,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973983728] [2021-10-16 23:07:23,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:23,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:23,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:23,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:23,129 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:23,129 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 197 transitions, 1038 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,129 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:23,129 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:23,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:23,932 INFO L129 PetriNetUnfolder]: 1422/4715 cut-off events. [2021-10-16 23:07:23,932 INFO L130 PetriNetUnfolder]: For 5166/5170 co-relation queries the response was YES. [2021-10-16 23:07:23,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13769 conditions, 4715 events. 1422/4715 cut-off events. For 5166/5170 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 41459 event pairs, 397 based on Foata normal form. 24/4724 useless extension candidates. Maximal degree in co-relation 13730. Up to 1388 conditions per place. [2021-10-16 23:07:23,954 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 350 selfloop transitions, 11 changer transitions 39/460 dead transitions. [2021-10-16 23:07:23,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 460 transitions, 3406 flow [2021-10-16 23:07:23,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:23,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:23,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 848 transitions. [2021-10-16 23:07:23,956 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7341991341991342 [2021-10-16 23:07:23,956 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 848 transitions. [2021-10-16 23:07:23,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 848 transitions. [2021-10-16 23:07:23,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:23,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 848 transitions. [2021-10-16 23:07:23,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 77.0909090909091) internal successors, (848), 11 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,958 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,958 INFO L186 Difference]: Start difference. First operand has 189 places, 197 transitions, 1038 flow. Second operand 11 states and 848 transitions. [2021-10-16 23:07:23,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 460 transitions, 3406 flow [2021-10-16 23:07:23,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 460 transitions, 3349 flow, removed 13 selfloop flow, removed 12 redundant places. [2021-10-16 23:07:23,979 INFO L242 Difference]: Finished difference. Result has 185 places, 197 transitions, 1029 flow [2021-10-16 23:07:23,979 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1029, PETRI_PLACES=185, PETRI_TRANSITIONS=197} [2021-10-16 23:07:23,979 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 77 predicate places. [2021-10-16 23:07:23,979 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 197 transitions, 1029 flow [2021-10-16 23:07:23,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:23,980 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:23,980 INFO L254 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] [2021-10-16 23:07:23,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-16 23:07:23,980 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:23,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:23,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1598992728, now seen corresponding path program 6 times [2021-10-16 23:07:23,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:23,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844121493] [2021-10-16 23:07:23,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:23,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:24,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:24,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844121493] [2021-10-16 23:07:24,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844121493] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:24,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:24,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:24,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599625070] [2021-10-16 23:07:24,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:24,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:24,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:24,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:24,166 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:24,166 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 197 transitions, 1029 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:24,166 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:24,167 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:24,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:24,942 INFO L129 PetriNetUnfolder]: 1423/4641 cut-off events. [2021-10-16 23:07:24,942 INFO L130 PetriNetUnfolder]: For 5030/5037 co-relation queries the response was YES. [2021-10-16 23:07:24,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13586 conditions, 4641 events. 1423/4641 cut-off events. For 5030/5037 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 40487 event pairs, 358 based on Foata normal form. 15/4639 useless extension candidates. Maximal degree in co-relation 13550. Up to 1388 conditions per place. [2021-10-16 23:07:25,011 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 355 selfloop transitions, 14 changer transitions 52/481 dead transitions. [2021-10-16 23:07:25,011 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 481 transitions, 3558 flow [2021-10-16 23:07:25,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:25,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:25,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 860 transitions. [2021-10-16 23:07:25,012 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7445887445887446 [2021-10-16 23:07:25,012 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 860 transitions. [2021-10-16 23:07:25,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 860 transitions. [2021-10-16 23:07:25,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:25,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 860 transitions. [2021-10-16 23:07:25,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 78.18181818181819) internal successors, (860), 11 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:25,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:25,015 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:25,015 INFO L186 Difference]: Start difference. First operand has 185 places, 197 transitions, 1029 flow. Second operand 11 states and 860 transitions. [2021-10-16 23:07:25,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 481 transitions, 3558 flow [2021-10-16 23:07:25,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 481 transitions, 3516 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-10-16 23:07:25,033 INFO L242 Difference]: Finished difference. Result has 188 places, 199 transitions, 1062 flow [2021-10-16 23:07:25,034 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=999, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1062, PETRI_PLACES=188, PETRI_TRANSITIONS=199} [2021-10-16 23:07:25,034 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 80 predicate places. [2021-10-16 23:07:25,034 INFO L470 AbstractCegarLoop]: Abstraction has has 188 places, 199 transitions, 1062 flow [2021-10-16 23:07:25,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:25,034 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:25,034 INFO L254 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] [2021-10-16 23:07:25,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-16 23:07:25,034 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:25,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:25,035 INFO L82 PathProgramCache]: Analyzing trace with hash 477191144, now seen corresponding path program 7 times [2021-10-16 23:07:25,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:25,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694129287] [2021-10-16 23:07:25,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:25,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:25,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:25,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:25,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694129287] [2021-10-16 23:07:25,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694129287] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:25,204 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:25,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:25,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858395031] [2021-10-16 23:07:25,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:25,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:25,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:25,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:25,205 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:25,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 199 transitions, 1062 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:25,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:25,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:25,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:25,853 INFO L129 PetriNetUnfolder]: 1100/3680 cut-off events. [2021-10-16 23:07:25,854 INFO L130 PetriNetUnfolder]: For 3977/3980 co-relation queries the response was YES. [2021-10-16 23:07:25,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10684 conditions, 3680 events. 1100/3680 cut-off events. For 3977/3980 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 30440 event pairs, 334 based on Foata normal form. 24/3692 useless extension candidates. Maximal degree in co-relation 10646. Up to 1388 conditions per place. [2021-10-16 23:07:25,869 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 235 selfloop transitions, 8 changer transitions 69/372 dead transitions. [2021-10-16 23:07:25,869 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 372 transitions, 2667 flow [2021-10-16 23:07:25,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:25,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:25,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 832 transitions. [2021-10-16 23:07:25,873 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7203463203463204 [2021-10-16 23:07:25,873 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 832 transitions. [2021-10-16 23:07:25,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 832 transitions. [2021-10-16 23:07:25,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:25,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 832 transitions. [2021-10-16 23:07:25,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 75.63636363636364) internal successors, (832), 11 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:25,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:25,875 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:25,876 INFO L186 Difference]: Start difference. First operand has 188 places, 199 transitions, 1062 flow. Second operand 11 states and 832 transitions. [2021-10-16 23:07:25,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 372 transitions, 2667 flow [2021-10-16 23:07:25,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 372 transitions, 2644 flow, removed 2 selfloop flow, removed 7 redundant places. [2021-10-16 23:07:25,892 INFO L242 Difference]: Finished difference. Result has 190 places, 191 transitions, 963 flow [2021-10-16 23:07:25,892 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1019, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=963, PETRI_PLACES=190, PETRI_TRANSITIONS=191} [2021-10-16 23:07:25,892 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 82 predicate places. [2021-10-16 23:07:25,892 INFO L470 AbstractCegarLoop]: Abstraction has has 190 places, 191 transitions, 963 flow [2021-10-16 23:07:25,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:25,893 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:25,893 INFO L254 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] [2021-10-16 23:07:25,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-16 23:07:25,893 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:25,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:25,893 INFO L82 PathProgramCache]: Analyzing trace with hash 533652656, now seen corresponding path program 8 times [2021-10-16 23:07:25,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:25,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186505502] [2021-10-16 23:07:25,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:25,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:26,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:26,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:26,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186505502] [2021-10-16 23:07:26,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186505502] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:26,097 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:26,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:26,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246558606] [2021-10-16 23:07:26,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:26,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:26,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:26,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:26,100 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:26,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 191 transitions, 963 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:26,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:26,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:26,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:26,809 INFO L129 PetriNetUnfolder]: 1072/3456 cut-off events. [2021-10-16 23:07:26,809 INFO L130 PetriNetUnfolder]: For 3724/3732 co-relation queries the response was YES. [2021-10-16 23:07:26,820 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10155 conditions, 3456 events. 1072/3456 cut-off events. For 3724/3732 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 28040 event pairs, 99 based on Foata normal form. 28/3468 useless extension candidates. Maximal degree in co-relation 10118. Up to 1433 conditions per place. [2021-10-16 23:07:26,825 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 293 selfloop transitions, 16 changer transitions 26/395 dead transitions. [2021-10-16 23:07:26,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 395 transitions, 2807 flow [2021-10-16 23:07:26,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:26,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:26,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 843 transitions. [2021-10-16 23:07:26,826 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7298701298701299 [2021-10-16 23:07:26,826 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 843 transitions. [2021-10-16 23:07:26,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 843 transitions. [2021-10-16 23:07:26,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:26,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 843 transitions. [2021-10-16 23:07:26,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 76.63636363636364) internal successors, (843), 11 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:26,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:26,828 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:26,828 INFO L186 Difference]: Start difference. First operand has 190 places, 191 transitions, 963 flow. Second operand 11 states and 843 transitions. [2021-10-16 23:07:26,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 395 transitions, 2807 flow [2021-10-16 23:07:26,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 395 transitions, 2747 flow, removed 15 selfloop flow, removed 14 redundant places. [2021-10-16 23:07:26,843 INFO L242 Difference]: Finished difference. Result has 175 places, 194 transitions, 1003 flow [2021-10-16 23:07:26,844 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=923, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1003, PETRI_PLACES=175, PETRI_TRANSITIONS=194} [2021-10-16 23:07:26,844 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 67 predicate places. [2021-10-16 23:07:26,844 INFO L470 AbstractCegarLoop]: Abstraction has has 175 places, 194 transitions, 1003 flow [2021-10-16 23:07:26,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:26,844 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:26,844 INFO L254 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] [2021-10-16 23:07:26,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-16 23:07:26,844 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:26,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:26,845 INFO L82 PathProgramCache]: Analyzing trace with hash 241137188, now seen corresponding path program 12 times [2021-10-16 23:07:26,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:26,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140087491] [2021-10-16 23:07:26,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:26,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:27,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:27,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:27,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140087491] [2021-10-16 23:07:27,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140087491] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:27,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:27,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:27,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830306439] [2021-10-16 23:07:27,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:27,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:27,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:27,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:27,038 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:27,038 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 194 transitions, 1003 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:27,038 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:27,038 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:27,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:27,733 INFO L129 PetriNetUnfolder]: 1072/3450 cut-off events. [2021-10-16 23:07:27,734 INFO L130 PetriNetUnfolder]: For 3840/3849 co-relation queries the response was YES. [2021-10-16 23:07:27,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10248 conditions, 3450 events. 1072/3450 cut-off events. For 3840/3849 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 27959 event pairs, 106 based on Foata normal form. 18/3455 useless extension candidates. Maximal degree in co-relation 10215. Up to 1102 conditions per place. [2021-10-16 23:07:27,749 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 276 selfloop transitions, 19 changer transitions 38/393 dead transitions. [2021-10-16 23:07:27,749 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 393 transitions, 2798 flow [2021-10-16 23:07:27,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:27,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:27,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 842 transitions. [2021-10-16 23:07:27,750 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.729004329004329 [2021-10-16 23:07:27,750 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 842 transitions. [2021-10-16 23:07:27,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 842 transitions. [2021-10-16 23:07:27,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:27,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 842 transitions. [2021-10-16 23:07:27,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 76.54545454545455) internal successors, (842), 11 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:27,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:27,752 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:27,752 INFO L186 Difference]: Start difference. First operand has 175 places, 194 transitions, 1003 flow. Second operand 11 states and 842 transitions. [2021-10-16 23:07:27,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 393 transitions, 2798 flow [2021-10-16 23:07:27,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 393 transitions, 2767 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-10-16 23:07:27,767 INFO L242 Difference]: Finished difference. Result has 181 places, 194 transitions, 1026 flow [2021-10-16 23:07:27,767 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=978, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1026, PETRI_PLACES=181, PETRI_TRANSITIONS=194} [2021-10-16 23:07:27,768 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 73 predicate places. [2021-10-16 23:07:27,768 INFO L470 AbstractCegarLoop]: Abstraction has has 181 places, 194 transitions, 1026 flow [2021-10-16 23:07:27,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:27,768 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:27,768 INFO L254 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] [2021-10-16 23:07:27,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-16 23:07:27,768 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:27,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:27,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1011538690, now seen corresponding path program 9 times [2021-10-16 23:07:27,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:27,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579604913] [2021-10-16 23:07:27,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:27,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:27,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:27,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:27,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579604913] [2021-10-16 23:07:27,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579604913] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:27,944 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:27,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:27,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5665946] [2021-10-16 23:07:27,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:27,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:27,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:27,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:27,946 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:27,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 194 transitions, 1026 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:27,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:27,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:27,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:28,538 INFO L129 PetriNetUnfolder]: 760/2540 cut-off events. [2021-10-16 23:07:28,538 INFO L130 PetriNetUnfolder]: For 2871/2875 co-relation queries the response was YES. [2021-10-16 23:07:28,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7491 conditions, 2540 events. 760/2540 cut-off events. For 2871/2875 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 18951 event pairs, 172 based on Foata normal form. 12/2539 useless extension candidates. Maximal degree in co-relation 7456. Up to 1421 conditions per place. [2021-10-16 23:07:28,546 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 164 selfloop transitions, 9 changer transitions 54/287 dead transitions. [2021-10-16 23:07:28,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 287 transitions, 1953 flow [2021-10-16 23:07:28,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:28,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 814 transitions. [2021-10-16 23:07:28,547 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7047619047619048 [2021-10-16 23:07:28,547 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 814 transitions. [2021-10-16 23:07:28,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 814 transitions. [2021-10-16 23:07:28,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:28,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 814 transitions. [2021-10-16 23:07:28,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 74.0) internal successors, (814), 11 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:28,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:28,549 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:28,550 INFO L186 Difference]: Start difference. First operand has 181 places, 194 transitions, 1026 flow. Second operand 11 states and 814 transitions. [2021-10-16 23:07:28,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 287 transitions, 1953 flow [2021-10-16 23:07:28,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 287 transitions, 1909 flow, removed 1 selfloop flow, removed 10 redundant places. [2021-10-16 23:07:28,560 INFO L242 Difference]: Finished difference. Result has 180 places, 186 transitions, 910 flow [2021-10-16 23:07:28,560 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=960, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=910, PETRI_PLACES=180, PETRI_TRANSITIONS=186} [2021-10-16 23:07:28,560 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 72 predicate places. [2021-10-16 23:07:28,560 INFO L470 AbstractCegarLoop]: Abstraction has has 180 places, 186 transitions, 910 flow [2021-10-16 23:07:28,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:28,560 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:28,560 INFO L254 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] [2021-10-16 23:07:28,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-16 23:07:28,560 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:28,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:28,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1326970442, now seen corresponding path program 13 times [2021-10-16 23:07:28,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:28,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676514944] [2021-10-16 23:07:28,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:28,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:28,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:28,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:28,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676514944] [2021-10-16 23:07:28,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676514944] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:28,729 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:28,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:28,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890165400] [2021-10-16 23:07:28,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:28,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:28,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:28,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:28,731 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:28,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 186 transitions, 910 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:28,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:28,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:28,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:29,297 INFO L129 PetriNetUnfolder]: 736/2466 cut-off events. [2021-10-16 23:07:29,297 INFO L130 PetriNetUnfolder]: For 2393/2395 co-relation queries the response was YES. [2021-10-16 23:07:29,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7114 conditions, 2466 events. 736/2466 cut-off events. For 2393/2395 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 18341 event pairs, 161 based on Foata normal form. 24/2483 useless extension candidates. Maximal degree in co-relation 7080. Up to 752 conditions per place. [2021-10-16 23:07:29,306 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 256 selfloop transitions, 10 changer transitions 37/363 dead transitions. [2021-10-16 23:07:29,306 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 363 transitions, 2527 flow [2021-10-16 23:07:29,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:29,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:29,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 830 transitions. [2021-10-16 23:07:29,308 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7186147186147186 [2021-10-16 23:07:29,308 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 830 transitions. [2021-10-16 23:07:29,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 830 transitions. [2021-10-16 23:07:29,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:29,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 830 transitions. [2021-10-16 23:07:29,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 75.45454545454545) internal successors, (830), 11 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:29,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:29,310 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:29,310 INFO L186 Difference]: Start difference. First operand has 180 places, 186 transitions, 910 flow. Second operand 11 states and 830 transitions. [2021-10-16 23:07:29,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 363 transitions, 2527 flow [2021-10-16 23:07:29,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 363 transitions, 2481 flow, removed 6 selfloop flow, removed 13 redundant places. [2021-10-16 23:07:29,321 INFO L242 Difference]: Finished difference. Result has 170 places, 186 transitions, 905 flow [2021-10-16 23:07:29,321 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=905, PETRI_PLACES=170, PETRI_TRANSITIONS=186} [2021-10-16 23:07:29,321 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 62 predicate places. [2021-10-16 23:07:29,321 INFO L470 AbstractCegarLoop]: Abstraction has has 170 places, 186 transitions, 905 flow [2021-10-16 23:07:29,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:29,321 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:29,321 INFO L254 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] [2021-10-16 23:07:29,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-16 23:07:29,322 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:29,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:29,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1530246584, now seen corresponding path program 10 times [2021-10-16 23:07:29,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:29,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367350259] [2021-10-16 23:07:29,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:29,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:29,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:29,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:29,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367350259] [2021-10-16 23:07:29,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367350259] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:29,498 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:29,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:29,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566380928] [2021-10-16 23:07:29,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:29,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:29,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:29,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:29,500 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:29,500 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 186 transitions, 905 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:29,500 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:29,500 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:29,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:30,175 INFO L129 PetriNetUnfolder]: 1058/3481 cut-off events. [2021-10-16 23:07:30,176 INFO L130 PetriNetUnfolder]: For 3743/3751 co-relation queries the response was YES. [2021-10-16 23:07:30,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10151 conditions, 3481 events. 1058/3481 cut-off events. For 3743/3751 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 28527 event pairs, 196 based on Foata normal form. 15/3482 useless extension candidates. Maximal degree in co-relation 10121. Up to 752 conditions per place. [2021-10-16 23:07:30,190 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 363 selfloop transitions, 13 changer transitions 38/474 dead transitions. [2021-10-16 23:07:30,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 474 transitions, 3455 flow [2021-10-16 23:07:30,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:30,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:30,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 860 transitions. [2021-10-16 23:07:30,191 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7445887445887446 [2021-10-16 23:07:30,191 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 860 transitions. [2021-10-16 23:07:30,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 860 transitions. [2021-10-16 23:07:30,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:30,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 860 transitions. [2021-10-16 23:07:30,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 78.18181818181819) internal successors, (860), 11 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:30,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:30,193 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:30,193 INFO L186 Difference]: Start difference. First operand has 170 places, 186 transitions, 905 flow. Second operand 11 states and 860 transitions. [2021-10-16 23:07:30,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 474 transitions, 3455 flow [2021-10-16 23:07:30,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 474 transitions, 3409 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-10-16 23:07:30,208 INFO L242 Difference]: Finished difference. Result has 173 places, 190 transitions, 957 flow [2021-10-16 23:07:30,208 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=877, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=957, PETRI_PLACES=173, PETRI_TRANSITIONS=190} [2021-10-16 23:07:30,208 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 65 predicate places. [2021-10-16 23:07:30,208 INFO L470 AbstractCegarLoop]: Abstraction has has 173 places, 190 transitions, 957 flow [2021-10-16 23:07:30,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:30,209 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:30,209 INFO L254 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] [2021-10-16 23:07:30,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-16 23:07:30,209 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:30,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:30,209 INFO L82 PathProgramCache]: Analyzing trace with hash 2018866084, now seen corresponding path program 14 times [2021-10-16 23:07:30,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:30,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867194459] [2021-10-16 23:07:30,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:30,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:30,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:30,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:30,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867194459] [2021-10-16 23:07:30,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867194459] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:30,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:30,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:30,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102539873] [2021-10-16 23:07:30,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:30,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:30,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:30,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:30,375 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:30,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 190 transitions, 957 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:30,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:30,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:30,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:31,055 INFO L129 PetriNetUnfolder]: 1046/3466 cut-off events. [2021-10-16 23:07:31,055 INFO L130 PetriNetUnfolder]: For 4046/4055 co-relation queries the response was YES. [2021-10-16 23:07:31,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10132 conditions, 3466 events. 1046/3466 cut-off events. For 4046/4055 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 28507 event pairs, 197 based on Foata normal form. 16/3470 useless extension candidates. Maximal degree in co-relation 10100. Up to 752 conditions per place. [2021-10-16 23:07:31,069 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 362 selfloop transitions, 14 changer transitions 37/473 dead transitions. [2021-10-16 23:07:31,070 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 473 transitions, 3462 flow [2021-10-16 23:07:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:31,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:31,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 858 transitions. [2021-10-16 23:07:31,071 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7428571428571429 [2021-10-16 23:07:31,071 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 858 transitions. [2021-10-16 23:07:31,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 858 transitions. [2021-10-16 23:07:31,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:31,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 858 transitions. [2021-10-16 23:07:31,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 78.0) internal successors, (858), 11 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:31,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:31,073 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:31,073 INFO L186 Difference]: Start difference. First operand has 173 places, 190 transitions, 957 flow. Second operand 11 states and 858 transitions. [2021-10-16 23:07:31,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 473 transitions, 3462 flow [2021-10-16 23:07:31,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 473 transitions, 3438 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-10-16 23:07:31,090 INFO L242 Difference]: Finished difference. Result has 178 places, 191 transitions, 987 flow [2021-10-16 23:07:31,090 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=938, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=987, PETRI_PLACES=178, PETRI_TRANSITIONS=191} [2021-10-16 23:07:31,090 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 70 predicate places. [2021-10-16 23:07:31,090 INFO L470 AbstractCegarLoop]: Abstraction has has 178 places, 191 transitions, 987 flow [2021-10-16 23:07:31,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:31,091 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:31,091 INFO L254 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] [2021-10-16 23:07:31,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-16 23:07:31,091 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:31,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:31,091 INFO L82 PathProgramCache]: Analyzing trace with hash 665910004, now seen corresponding path program 11 times [2021-10-16 23:07:31,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:31,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088477065] [2021-10-16 23:07:31,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:31,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:31,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:31,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:31,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088477065] [2021-10-16 23:07:31,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088477065] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:31,279 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:31,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:31,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237026412] [2021-10-16 23:07:31,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:31,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:31,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:31,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:31,280 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:31,281 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 191 transitions, 987 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:31,281 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:31,281 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:31,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:31,921 INFO L129 PetriNetUnfolder]: 711/2436 cut-off events. [2021-10-16 23:07:31,921 INFO L130 PetriNetUnfolder]: For 3007/3012 co-relation queries the response was YES. [2021-10-16 23:07:31,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7087 conditions, 2436 events. 711/2436 cut-off events. For 3007/3012 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 18269 event pairs, 160 based on Foata normal form. 24/2452 useless extension candidates. Maximal degree in co-relation 7053. Up to 752 conditions per place. [2021-10-16 23:07:31,929 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 244 selfloop transitions, 9 changer transitions 53/366 dead transitions. [2021-10-16 23:07:31,929 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 366 transitions, 2600 flow [2021-10-16 23:07:31,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:31,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 832 transitions. [2021-10-16 23:07:31,930 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7203463203463204 [2021-10-16 23:07:31,930 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 832 transitions. [2021-10-16 23:07:31,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 832 transitions. [2021-10-16 23:07:31,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:31,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 832 transitions. [2021-10-16 23:07:31,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 75.63636363636364) internal successors, (832), 11 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:31,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:31,932 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:31,932 INFO L186 Difference]: Start difference. First operand has 178 places, 191 transitions, 987 flow. Second operand 11 states and 832 transitions. [2021-10-16 23:07:31,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 366 transitions, 2600 flow [2021-10-16 23:07:31,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 366 transitions, 2546 flow, removed 8 selfloop flow, removed 11 redundant places. [2021-10-16 23:07:31,942 INFO L242 Difference]: Finished difference. Result has 179 places, 186 transitions, 911 flow [2021-10-16 23:07:31,942 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=917, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=911, PETRI_PLACES=179, PETRI_TRANSITIONS=186} [2021-10-16 23:07:31,942 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 71 predicate places. [2021-10-16 23:07:31,942 INFO L470 AbstractCegarLoop]: Abstraction has has 179 places, 186 transitions, 911 flow [2021-10-16 23:07:31,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:31,942 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:31,942 INFO L254 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] [2021-10-16 23:07:31,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-16 23:07:31,942 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:31,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:31,943 INFO L82 PathProgramCache]: Analyzing trace with hash 2083648548, now seen corresponding path program 12 times [2021-10-16 23:07:31,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:31,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146703927] [2021-10-16 23:07:31,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:31,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:32,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:32,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:32,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146703927] [2021-10-16 23:07:32,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146703927] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:32,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:32,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:32,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328267134] [2021-10-16 23:07:32,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:32,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:32,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:32,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:32,115 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:32,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 186 transitions, 911 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:32,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:32,116 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:32,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:32,570 INFO L129 PetriNetUnfolder]: 399/1385 cut-off events. [2021-10-16 23:07:32,570 INFO L130 PetriNetUnfolder]: For 1353/1354 co-relation queries the response was YES. [2021-10-16 23:07:32,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3932 conditions, 1385 events. 399/1385 cut-off events. For 1353/1354 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 8600 event pairs, 35 based on Foata normal form. 24/1406 useless extension candidates. Maximal degree in co-relation 3898. Up to 752 conditions per place. [2021-10-16 23:07:32,574 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 141 selfloop transitions, 5 changer transitions 56/262 dead transitions. [2021-10-16 23:07:32,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 262 transitions, 1703 flow [2021-10-16 23:07:32,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:32,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:32,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 801 transitions. [2021-10-16 23:07:32,576 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6935064935064935 [2021-10-16 23:07:32,576 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 801 transitions. [2021-10-16 23:07:32,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 801 transitions. [2021-10-16 23:07:32,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:32,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 801 transitions. [2021-10-16 23:07:32,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 72.81818181818181) internal successors, (801), 11 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:32,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:32,578 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:32,578 INFO L186 Difference]: Start difference. First operand has 179 places, 186 transitions, 911 flow. Second operand 11 states and 801 transitions. [2021-10-16 23:07:32,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 262 transitions, 1703 flow [2021-10-16 23:07:32,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 262 transitions, 1663 flow, removed 9 selfloop flow, removed 13 redundant places. [2021-10-16 23:07:32,584 INFO L242 Difference]: Finished difference. Result has 171 places, 176 transitions, 812 flow [2021-10-16 23:07:32,584 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=863, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=812, PETRI_PLACES=171, PETRI_TRANSITIONS=176} [2021-10-16 23:07:32,585 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 63 predicate places. [2021-10-16 23:07:32,585 INFO L470 AbstractCegarLoop]: Abstraction has has 171 places, 176 transitions, 812 flow [2021-10-16 23:07:32,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:32,585 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:32,585 INFO L254 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] [2021-10-16 23:07:32,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-16 23:07:32,585 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:32,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:32,585 INFO L82 PathProgramCache]: Analyzing trace with hash 85513322, now seen corresponding path program 13 times [2021-10-16 23:07:32,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:32,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318544317] [2021-10-16 23:07:32,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:32,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:32,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:32,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:32,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318544317] [2021-10-16 23:07:32,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318544317] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:32,774 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:32,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:32,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794229549] [2021-10-16 23:07:32,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:32,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:32,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:32,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:32,775 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:32,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 176 transitions, 812 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:32,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:32,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:32,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:33,255 INFO L129 PetriNetUnfolder]: 431/1360 cut-off events. [2021-10-16 23:07:33,255 INFO L130 PetriNetUnfolder]: For 1167/1170 co-relation queries the response was YES. [2021-10-16 23:07:33,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3974 conditions, 1360 events. 431/1360 cut-off events. For 1167/1170 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8117 event pairs, 41 based on Foata normal form. 14/1369 useless extension candidates. Maximal degree in co-relation 3946. Up to 647 conditions per place. [2021-10-16 23:07:33,260 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 150 selfloop transitions, 9 changer transitions 65/284 dead transitions. [2021-10-16 23:07:33,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 284 transitions, 1821 flow [2021-10-16 23:07:33,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:33,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:33,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 816 transitions. [2021-10-16 23:07:33,261 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7064935064935065 [2021-10-16 23:07:33,261 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 816 transitions. [2021-10-16 23:07:33,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 816 transitions. [2021-10-16 23:07:33,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:33,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 816 transitions. [2021-10-16 23:07:33,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 74.18181818181819) internal successors, (816), 11 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:33,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:33,262 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:33,263 INFO L186 Difference]: Start difference. First operand has 171 places, 176 transitions, 812 flow. Second operand 11 states and 816 transitions. [2021-10-16 23:07:33,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 284 transitions, 1821 flow [2021-10-16 23:07:33,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 284 transitions, 1753 flow, removed 4 selfloop flow, removed 12 redundant places. [2021-10-16 23:07:33,269 INFO L242 Difference]: Finished difference. Result has 154 places, 176 transitions, 813 flow [2021-10-16 23:07:33,269 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=813, PETRI_PLACES=154, PETRI_TRANSITIONS=176} [2021-10-16 23:07:33,269 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 46 predicate places. [2021-10-16 23:07:33,269 INFO L470 AbstractCegarLoop]: Abstraction has has 154 places, 176 transitions, 813 flow [2021-10-16 23:07:33,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:33,269 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:33,269 INFO L254 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] [2021-10-16 23:07:33,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-16 23:07:33,270 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:33,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:33,270 INFO L82 PathProgramCache]: Analyzing trace with hash 742715222, now seen corresponding path program 14 times [2021-10-16 23:07:33,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:33,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288333337] [2021-10-16 23:07:33,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:33,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:33,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:33,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:33,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288333337] [2021-10-16 23:07:33,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288333337] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:33,455 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:33,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:33,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410549319] [2021-10-16 23:07:33,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:33,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:33,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:33,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:33,456 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:33,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 176 transitions, 813 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:33,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:33,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:33,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:34,045 INFO L129 PetriNetUnfolder]: 703/2336 cut-off events. [2021-10-16 23:07:34,045 INFO L130 PetriNetUnfolder]: For 1883/1887 co-relation queries the response was YES. [2021-10-16 23:07:34,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6617 conditions, 2336 events. 703/2336 cut-off events. For 1883/1887 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 17042 event pairs, 90 based on Foata normal form. 14/2344 useless extension candidates. Maximal degree in co-relation 6591. Up to 711 conditions per place. [2021-10-16 23:07:34,053 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 259 selfloop transitions, 11 changer transitions 37/367 dead transitions. [2021-10-16 23:07:34,053 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 367 transitions, 2504 flow [2021-10-16 23:07:34,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:34,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:34,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 827 transitions. [2021-10-16 23:07:34,054 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.716017316017316 [2021-10-16 23:07:34,054 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 827 transitions. [2021-10-16 23:07:34,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 827 transitions. [2021-10-16 23:07:34,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:34,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 827 transitions. [2021-10-16 23:07:34,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 75.18181818181819) internal successors, (827), 11 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:34,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:34,056 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:34,056 INFO L186 Difference]: Start difference. First operand has 154 places, 176 transitions, 813 flow. Second operand 11 states and 827 transitions. [2021-10-16 23:07:34,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 367 transitions, 2504 flow [2021-10-16 23:07:34,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 367 transitions, 2458 flow, removed 4 selfloop flow, removed 9 redundant places. [2021-10-16 23:07:34,066 INFO L242 Difference]: Finished difference. Result has 156 places, 180 transitions, 855 flow [2021-10-16 23:07:34,066 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=855, PETRI_PLACES=156, PETRI_TRANSITIONS=180} [2021-10-16 23:07:34,066 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 48 predicate places. [2021-10-16 23:07:34,066 INFO L470 AbstractCegarLoop]: Abstraction has has 156 places, 180 transitions, 855 flow [2021-10-16 23:07:34,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:34,066 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:34,066 INFO L254 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] [2021-10-16 23:07:34,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-10-16 23:07:34,066 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:34,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:34,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1308921226, now seen corresponding path program 15 times [2021-10-16 23:07:34,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:34,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742038328] [2021-10-16 23:07:34,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:34,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:34,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:34,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:34,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742038328] [2021-10-16 23:07:34,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742038328] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:34,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:34,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:34,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034856554] [2021-10-16 23:07:34,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:34,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:34,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:34,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:34,254 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:34,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 180 transitions, 855 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:34,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:34,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:34,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:34,862 INFO L129 PetriNetUnfolder]: 1049/3421 cut-off events. [2021-10-16 23:07:34,862 INFO L130 PetriNetUnfolder]: For 3296/3301 co-relation queries the response was YES. [2021-10-16 23:07:34,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9931 conditions, 3421 events. 1049/3421 cut-off events. For 3296/3301 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 27671 event pairs, 332 based on Foata normal form. 13/3422 useless extension candidates. Maximal degree in co-relation 9904. Up to 1371 conditions per place. [2021-10-16 23:07:34,875 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 253 selfloop transitions, 11 changer transitions 51/375 dead transitions. [2021-10-16 23:07:34,875 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 375 transitions, 2608 flow [2021-10-16 23:07:34,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:34,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:34,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 830 transitions. [2021-10-16 23:07:34,877 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7186147186147186 [2021-10-16 23:07:34,877 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 830 transitions. [2021-10-16 23:07:34,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 830 transitions. [2021-10-16 23:07:34,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:34,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 830 transitions. [2021-10-16 23:07:34,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 75.45454545454545) internal successors, (830), 11 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:34,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:34,878 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:34,878 INFO L186 Difference]: Start difference. First operand has 156 places, 180 transitions, 855 flow. Second operand 11 states and 830 transitions. [2021-10-16 23:07:34,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 375 transitions, 2608 flow [2021-10-16 23:07:34,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 375 transitions, 2574 flow, removed 2 selfloop flow, removed 7 redundant places. [2021-10-16 23:07:34,891 INFO L242 Difference]: Finished difference. Result has 163 places, 184 transitions, 910 flow [2021-10-16 23:07:34,891 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=840, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=910, PETRI_PLACES=163, PETRI_TRANSITIONS=184} [2021-10-16 23:07:34,892 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 55 predicate places. [2021-10-16 23:07:34,892 INFO L470 AbstractCegarLoop]: Abstraction has has 163 places, 184 transitions, 910 flow [2021-10-16 23:07:34,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:34,892 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:34,892 INFO L254 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] [2021-10-16 23:07:34,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-16 23:07:34,892 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:34,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:34,892 INFO L82 PathProgramCache]: Analyzing trace with hash 44584150, now seen corresponding path program 16 times [2021-10-16 23:07:34,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:34,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790509524] [2021-10-16 23:07:34,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:34,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:35,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:35,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:35,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790509524] [2021-10-16 23:07:35,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790509524] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:35,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:35,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:35,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584447367] [2021-10-16 23:07:35,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:35,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:35,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:35,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:35,062 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:35,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 184 transitions, 910 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:35,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:35,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:35,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:35,811 INFO L129 PetriNetUnfolder]: 1362/4523 cut-off events. [2021-10-16 23:07:35,811 INFO L130 PetriNetUnfolder]: For 5319/5340 co-relation queries the response was YES. [2021-10-16 23:07:35,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13217 conditions, 4523 events. 1362/4523 cut-off events. For 5319/5340 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 39698 event pairs, 339 based on Foata normal form. 18/4523 useless extension candidates. Maximal degree in co-relation 13186. Up to 1400 conditions per place. [2021-10-16 23:07:35,828 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 349 selfloop transitions, 13 changer transitions 38/460 dead transitions. [2021-10-16 23:07:35,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 460 transitions, 3367 flow [2021-10-16 23:07:35,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:35,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:35,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 842 transitions. [2021-10-16 23:07:35,833 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.729004329004329 [2021-10-16 23:07:35,833 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 842 transitions. [2021-10-16 23:07:35,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 842 transitions. [2021-10-16 23:07:35,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:35,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 842 transitions. [2021-10-16 23:07:35,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 76.54545454545455) internal successors, (842), 11 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:35,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:35,835 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:35,835 INFO L186 Difference]: Start difference. First operand has 163 places, 184 transitions, 910 flow. Second operand 11 states and 842 transitions. [2021-10-16 23:07:35,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 460 transitions, 3367 flow [2021-10-16 23:07:35,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 460 transitions, 3333 flow, removed 6 selfloop flow, removed 7 redundant places. [2021-10-16 23:07:35,854 INFO L242 Difference]: Finished difference. Result has 169 places, 189 transitions, 980 flow [2021-10-16 23:07:35,854 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=980, PETRI_PLACES=169, PETRI_TRANSITIONS=189} [2021-10-16 23:07:35,854 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 61 predicate places. [2021-10-16 23:07:35,854 INFO L470 AbstractCegarLoop]: Abstraction has has 169 places, 189 transitions, 980 flow [2021-10-16 23:07:35,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:35,854 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:35,854 INFO L254 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] [2021-10-16 23:07:35,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-16 23:07:35,854 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:35,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:35,855 INFO L82 PathProgramCache]: Analyzing trace with hash 983937310, now seen corresponding path program 17 times [2021-10-16 23:07:35,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:35,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719714190] [2021-10-16 23:07:35,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:35,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:36,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:36,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:36,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719714190] [2021-10-16 23:07:36,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719714190] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:36,027 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:36,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:36,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977816897] [2021-10-16 23:07:36,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:36,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:36,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:36,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:36,028 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:36,029 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 189 transitions, 980 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:36,029 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:36,029 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:36,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:36,846 INFO L129 PetriNetUnfolder]: 1722/5617 cut-off events. [2021-10-16 23:07:36,846 INFO L130 PetriNetUnfolder]: For 7575/7599 co-relation queries the response was YES. [2021-10-16 23:07:36,865 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16883 conditions, 5617 events. 1722/5617 cut-off events. For 7575/7599 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 51547 event pairs, 615 based on Foata normal form. 18/5611 useless extension candidates. Maximal degree in co-relation 16849. Up to 2076 conditions per place. [2021-10-16 23:07:36,874 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 345 selfloop transitions, 13 changer transitions 50/468 dead transitions. [2021-10-16 23:07:36,874 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 468 transitions, 3489 flow [2021-10-16 23:07:36,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:36,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:36,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 846 transitions. [2021-10-16 23:07:36,876 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7324675324675325 [2021-10-16 23:07:36,876 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 846 transitions. [2021-10-16 23:07:36,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 846 transitions. [2021-10-16 23:07:36,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:36,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 846 transitions. [2021-10-16 23:07:36,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 76.9090909090909) internal successors, (846), 11 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:36,877 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:36,877 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:36,878 INFO L186 Difference]: Start difference. First operand has 169 places, 189 transitions, 980 flow. Second operand 11 states and 846 transitions. [2021-10-16 23:07:36,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 468 transitions, 3489 flow [2021-10-16 23:07:36,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 468 transitions, 3456 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-10-16 23:07:36,903 INFO L242 Difference]: Finished difference. Result has 178 places, 194 transitions, 1057 flow [2021-10-16 23:07:36,903 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=955, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1057, PETRI_PLACES=178, PETRI_TRANSITIONS=194} [2021-10-16 23:07:36,903 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 70 predicate places. [2021-10-16 23:07:36,903 INFO L470 AbstractCegarLoop]: Abstraction has has 178 places, 194 transitions, 1057 flow [2021-10-16 23:07:36,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:36,904 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:36,904 INFO L254 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] [2021-10-16 23:07:36,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-10-16 23:07:36,904 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:36,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:36,904 INFO L82 PathProgramCache]: Analyzing trace with hash 815160074, now seen corresponding path program 18 times [2021-10-16 23:07:36,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:36,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496958188] [2021-10-16 23:07:36,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:36,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:37,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:37,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:37,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496958188] [2021-10-16 23:07:37,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496958188] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:37,070 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:37,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:37,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359746275] [2021-10-16 23:07:37,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:37,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:37,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:37,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:37,071 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:37,071 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 194 transitions, 1057 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:37,071 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:37,071 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:37,071 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:37,883 INFO L129 PetriNetUnfolder]: 1712/5539 cut-off events. [2021-10-16 23:07:37,883 INFO L130 PetriNetUnfolder]: For 8538/8570 co-relation queries the response was YES. [2021-10-16 23:07:37,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16962 conditions, 5539 events. 1712/5539 cut-off events. For 8538/8570 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 50444 event pairs, 385 based on Foata normal form. 27/5543 useless extension candidates. Maximal degree in co-relation 16923. Up to 1737 conditions per place. [2021-10-16 23:07:37,911 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 259 selfloop transitions, 18 changer transitions 52/389 dead transitions. [2021-10-16 23:07:37,911 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 389 transitions, 2892 flow [2021-10-16 23:07:37,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:37,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:37,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 829 transitions. [2021-10-16 23:07:37,912 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7177489177489178 [2021-10-16 23:07:37,912 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 829 transitions. [2021-10-16 23:07:37,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 829 transitions. [2021-10-16 23:07:37,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:37,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 829 transitions. [2021-10-16 23:07:37,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 75.36363636363636) internal successors, (829), 11 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:37,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:37,914 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:37,914 INFO L186 Difference]: Start difference. First operand has 178 places, 194 transitions, 1057 flow. Second operand 11 states and 829 transitions. [2021-10-16 23:07:37,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 389 transitions, 2892 flow [2021-10-16 23:07:37,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 389 transitions, 2844 flow, removed 18 selfloop flow, removed 6 redundant places. [2021-10-16 23:07:37,942 INFO L242 Difference]: Finished difference. Result has 185 places, 196 transitions, 1107 flow [2021-10-16 23:07:37,942 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1024, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1107, PETRI_PLACES=185, PETRI_TRANSITIONS=196} [2021-10-16 23:07:37,942 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 77 predicate places. [2021-10-16 23:07:37,942 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 196 transitions, 1107 flow [2021-10-16 23:07:37,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:37,942 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:37,942 INFO L254 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] [2021-10-16 23:07:37,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-10-16 23:07:37,942 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:37,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:37,943 INFO L82 PathProgramCache]: Analyzing trace with hash 2020753996, now seen corresponding path program 19 times [2021-10-16 23:07:37,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:37,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489507180] [2021-10-16 23:07:37,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:37,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:38,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:38,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:38,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489507180] [2021-10-16 23:07:38,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489507180] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:38,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:38,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:38,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233439500] [2021-10-16 23:07:38,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:38,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:38,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:38,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:38,111 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:38,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 196 transitions, 1107 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:38,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:38,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:38,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:38,959 INFO L129 PetriNetUnfolder]: 1687/5610 cut-off events. [2021-10-16 23:07:38,959 INFO L130 PetriNetUnfolder]: For 8594/8617 co-relation queries the response was YES. [2021-10-16 23:07:38,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17002 conditions, 5610 events. 1687/5610 cut-off events. For 8594/8617 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 51981 event pairs, 593 based on Foata normal form. 17/5592 useless extension candidates. Maximal degree in co-relation 16960. Up to 1473 conditions per place. [2021-10-16 23:07:38,986 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 353 selfloop transitions, 15 changer transitions 25/453 dead transitions. [2021-10-16 23:07:38,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 453 transitions, 3473 flow [2021-10-16 23:07:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:38,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:38,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 831 transitions. [2021-10-16 23:07:38,989 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7194805194805195 [2021-10-16 23:07:38,989 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 831 transitions. [2021-10-16 23:07:38,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 831 transitions. [2021-10-16 23:07:38,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:38,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 831 transitions. [2021-10-16 23:07:38,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 75.54545454545455) internal successors, (831), 11 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:38,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:38,991 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:38,991 INFO L186 Difference]: Start difference. First operand has 185 places, 196 transitions, 1107 flow. Second operand 11 states and 831 transitions. [2021-10-16 23:07:38,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 453 transitions, 3473 flow [2021-10-16 23:07:39,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 453 transitions, 3376 flow, removed 23 selfloop flow, removed 10 redundant places. [2021-10-16 23:07:39,021 INFO L242 Difference]: Finished difference. Result has 188 places, 199 transitions, 1119 flow [2021-10-16 23:07:39,021 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1119, PETRI_PLACES=188, PETRI_TRANSITIONS=199} [2021-10-16 23:07:39,021 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 80 predicate places. [2021-10-16 23:07:39,021 INFO L470 AbstractCegarLoop]: Abstraction has has 188 places, 199 transitions, 1119 flow [2021-10-16 23:07:39,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:39,021 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:39,021 INFO L254 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] [2021-10-16 23:07:39,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-10-16 23:07:39,021 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:39,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:39,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1665981200, now seen corresponding path program 20 times [2021-10-16 23:07:39,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:39,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643326185] [2021-10-16 23:07:39,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:39,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:39,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:39,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:39,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643326185] [2021-10-16 23:07:39,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643326185] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:39,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:39,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:39,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348826361] [2021-10-16 23:07:39,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:39,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:39,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:39,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:39,190 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:39,191 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 199 transitions, 1119 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:39,191 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:39,191 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:39,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:40,113 INFO L129 PetriNetUnfolder]: 1996/6608 cut-off events. [2021-10-16 23:07:40,113 INFO L130 PetriNetUnfolder]: For 8747/8766 co-relation queries the response was YES. [2021-10-16 23:07:40,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19806 conditions, 6608 events. 1996/6608 cut-off events. For 8747/8766 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 63439 event pairs, 756 based on Foata normal form. 12/6578 useless extension candidates. Maximal degree in co-relation 19764. Up to 1993 conditions per place. [2021-10-16 23:07:40,149 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 347 selfloop transitions, 15 changer transitions 39/461 dead transitions. [2021-10-16 23:07:40,149 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 461 transitions, 3550 flow [2021-10-16 23:07:40,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:40,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 832 transitions. [2021-10-16 23:07:40,151 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7203463203463204 [2021-10-16 23:07:40,151 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 832 transitions. [2021-10-16 23:07:40,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 832 transitions. [2021-10-16 23:07:40,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:40,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 832 transitions. [2021-10-16 23:07:40,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 75.63636363636364) internal successors, (832), 11 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:40,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:40,152 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:40,152 INFO L186 Difference]: Start difference. First operand has 188 places, 199 transitions, 1119 flow. Second operand 11 states and 832 transitions. [2021-10-16 23:07:40,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 461 transitions, 3550 flow [2021-10-16 23:07:40,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 461 transitions, 3481 flow, removed 26 selfloop flow, removed 6 redundant places. [2021-10-16 23:07:40,186 INFO L242 Difference]: Finished difference. Result has 195 places, 203 transitions, 1172 flow [2021-10-16 23:07:40,186 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1082, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1172, PETRI_PLACES=195, PETRI_TRANSITIONS=203} [2021-10-16 23:07:40,186 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 87 predicate places. [2021-10-16 23:07:40,187 INFO L470 AbstractCegarLoop]: Abstraction has has 195 places, 203 transitions, 1172 flow [2021-10-16 23:07:40,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:40,187 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:40,187 INFO L254 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] [2021-10-16 23:07:40,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-10-16 23:07:40,187 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:40,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:40,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1136596200, now seen corresponding path program 21 times [2021-10-16 23:07:40,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:40,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101357861] [2021-10-16 23:07:40,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:40,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:40,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:40,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:40,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101357861] [2021-10-16 23:07:40,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101357861] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:40,363 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:40,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:40,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892514757] [2021-10-16 23:07:40,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:40,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:40,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:40,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:40,364 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:40,364 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 203 transitions, 1172 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:40,364 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:40,364 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:40,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:41,272 INFO L129 PetriNetUnfolder]: 1984/6606 cut-off events. [2021-10-16 23:07:41,273 INFO L130 PetriNetUnfolder]: For 8404/8427 co-relation queries the response was YES. [2021-10-16 23:07:41,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19714 conditions, 6606 events. 1984/6606 cut-off events. For 8404/8427 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 63528 event pairs, 736 based on Foata normal form. 26/6590 useless extension candidates. Maximal degree in co-relation 19669. Up to 1473 conditions per place. [2021-10-16 23:07:41,304 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 338 selfloop transitions, 13 changer transitions 26/437 dead transitions. [2021-10-16 23:07:41,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 437 transitions, 3362 flow [2021-10-16 23:07:41,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:41,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:41,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 819 transitions. [2021-10-16 23:07:41,305 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7090909090909091 [2021-10-16 23:07:41,305 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 819 transitions. [2021-10-16 23:07:41,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 819 transitions. [2021-10-16 23:07:41,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:41,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 819 transitions. [2021-10-16 23:07:41,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 74.45454545454545) internal successors, (819), 11 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:41,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:41,307 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:41,307 INFO L186 Difference]: Start difference. First operand has 195 places, 203 transitions, 1172 flow. Second operand 11 states and 819 transitions. [2021-10-16 23:07:41,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 437 transitions, 3362 flow [2021-10-16 23:07:41,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 437 transitions, 3335 flow, removed 2 selfloop flow, removed 7 redundant places. [2021-10-16 23:07:41,339 INFO L242 Difference]: Finished difference. Result has 200 places, 203 transitions, 1186 flow [2021-10-16 23:07:41,339 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1149, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1186, PETRI_PLACES=200, PETRI_TRANSITIONS=203} [2021-10-16 23:07:41,339 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 92 predicate places. [2021-10-16 23:07:41,339 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 203 transitions, 1186 flow [2021-10-16 23:07:41,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:41,339 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:41,339 INFO L254 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] [2021-10-16 23:07:41,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-10-16 23:07:41,340 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:41,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:41,340 INFO L82 PathProgramCache]: Analyzing trace with hash 618034022, now seen corresponding path program 15 times [2021-10-16 23:07:41,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:41,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127714909] [2021-10-16 23:07:41,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:41,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:41,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:41,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:41,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127714909] [2021-10-16 23:07:41,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127714909] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:41,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:41,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:41,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553517414] [2021-10-16 23:07:41,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:41,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:41,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:41,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:41,511 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:41,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 203 transitions, 1186 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:41,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:41,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:41,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:42,348 INFO L129 PetriNetUnfolder]: 1673/5645 cut-off events. [2021-10-16 23:07:42,348 INFO L130 PetriNetUnfolder]: For 7395/7411 co-relation queries the response was YES. [2021-10-16 23:07:42,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16817 conditions, 5645 events. 1673/5645 cut-off events. For 7395/7411 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 52542 event pairs, 700 based on Foata normal form. 24/5632 useless extension candidates. Maximal degree in co-relation 16770. Up to 1992 conditions per place. [2021-10-16 23:07:42,378 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 227 selfloop transitions, 11 changer transitions 54/352 dead transitions. [2021-10-16 23:07:42,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 352 transitions, 2655 flow [2021-10-16 23:07:42,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:42,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:42,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 804 transitions. [2021-10-16 23:07:42,379 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6961038961038961 [2021-10-16 23:07:42,379 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 804 transitions. [2021-10-16 23:07:42,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 804 transitions. [2021-10-16 23:07:42,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:42,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 804 transitions. [2021-10-16 23:07:42,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 73.0909090909091) internal successors, (804), 11 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:42,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:42,381 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:42,381 INFO L186 Difference]: Start difference. First operand has 200 places, 203 transitions, 1186 flow. Second operand 11 states and 804 transitions. [2021-10-16 23:07:42,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 352 transitions, 2655 flow [2021-10-16 23:07:42,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 352 transitions, 2609 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-10-16 23:07:42,407 INFO L242 Difference]: Finished difference. Result has 202 places, 199 transitions, 1121 flow [2021-10-16 23:07:42,407 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1118, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1121, PETRI_PLACES=202, PETRI_TRANSITIONS=199} [2021-10-16 23:07:42,407 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 94 predicate places. [2021-10-16 23:07:42,407 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 199 transitions, 1121 flow [2021-10-16 23:07:42,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:42,408 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:42,408 INFO L254 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] [2021-10-16 23:07:42,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-10-16 23:07:42,408 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:42,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:42,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1530123996, now seen corresponding path program 22 times [2021-10-16 23:07:42,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:42,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057853226] [2021-10-16 23:07:42,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:42,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:42,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:42,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:42,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057853226] [2021-10-16 23:07:42,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057853226] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:42,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:42,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:42,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950885574] [2021-10-16 23:07:42,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:42,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:42,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:42,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:42,582 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:42,583 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 199 transitions, 1121 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:42,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:42,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:42,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:43,457 INFO L129 PetriNetUnfolder]: 1673/5566 cut-off events. [2021-10-16 23:07:43,457 INFO L130 PetriNetUnfolder]: For 6771/6787 co-relation queries the response was YES. [2021-10-16 23:07:43,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16551 conditions, 5566 events. 1673/5566 cut-off events. For 6771/6787 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 51366 event pairs, 600 based on Foata normal form. 15/5545 useless extension candidates. Maximal degree in co-relation 16503. Up to 1473 conditions per place. [2021-10-16 23:07:43,481 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 340 selfloop transitions, 15 changer transitions 38/453 dead transitions. [2021-10-16 23:07:43,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 453 transitions, 3467 flow [2021-10-16 23:07:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:43,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:43,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 831 transitions. [2021-10-16 23:07:43,482 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7194805194805195 [2021-10-16 23:07:43,482 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 831 transitions. [2021-10-16 23:07:43,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 831 transitions. [2021-10-16 23:07:43,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:43,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 831 transitions. [2021-10-16 23:07:43,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 75.54545454545455) internal successors, (831), 11 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:43,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:43,484 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:43,484 INFO L186 Difference]: Start difference. First operand has 202 places, 199 transitions, 1121 flow. Second operand 11 states and 831 transitions. [2021-10-16 23:07:43,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 453 transitions, 3467 flow [2021-10-16 23:07:43,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 453 transitions, 3417 flow, removed 14 selfloop flow, removed 11 redundant places. [2021-10-16 23:07:43,509 INFO L242 Difference]: Finished difference. Result has 200 places, 201 transitions, 1160 flow [2021-10-16 23:07:43,509 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1090, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1160, PETRI_PLACES=200, PETRI_TRANSITIONS=201} [2021-10-16 23:07:43,510 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 92 predicate places. [2021-10-16 23:07:43,510 INFO L470 AbstractCegarLoop]: Abstraction has has 200 places, 201 transitions, 1160 flow [2021-10-16 23:07:43,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:43,510 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:43,510 INFO L254 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] [2021-10-16 23:07:43,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-10-16 23:07:43,510 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:43,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:43,510 INFO L82 PathProgramCache]: Analyzing trace with hash 2072263214, now seen corresponding path program 23 times [2021-10-16 23:07:43,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:43,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384482481] [2021-10-16 23:07:43,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:43,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:43,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:43,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:43,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384482481] [2021-10-16 23:07:43,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384482481] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:43,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:43,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:43,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174661183] [2021-10-16 23:07:43,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:43,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:43,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:43,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:43,675 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:43,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 201 transitions, 1160 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:43,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:43,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:43,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:44,369 INFO L129 PetriNetUnfolder]: 1350/4609 cut-off events. [2021-10-16 23:07:44,370 INFO L130 PetriNetUnfolder]: For 5413/5425 co-relation queries the response was YES. [2021-10-16 23:07:44,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13565 conditions, 4609 events. 1350/4609 cut-off events. For 5413/5425 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 40776 event pairs, 576 based on Foata normal form. 24/4602 useless extension candidates. Maximal degree in co-relation 13518. Up to 1473 conditions per place. [2021-10-16 23:07:44,393 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 221 selfloop transitions, 9 changer transitions 54/344 dead transitions. [2021-10-16 23:07:44,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 344 transitions, 2560 flow [2021-10-16 23:07:44,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:44,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:44,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 803 transitions. [2021-10-16 23:07:44,394 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6952380952380952 [2021-10-16 23:07:44,394 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 803 transitions. [2021-10-16 23:07:44,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 803 transitions. [2021-10-16 23:07:44,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:44,395 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 803 transitions. [2021-10-16 23:07:44,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 73.0) internal successors, (803), 11 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:44,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:44,396 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:44,396 INFO L186 Difference]: Start difference. First operand has 200 places, 201 transitions, 1160 flow. Second operand 11 states and 803 transitions. [2021-10-16 23:07:44,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 344 transitions, 2560 flow [2021-10-16 23:07:44,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 344 transitions, 2531 flow, removed 4 selfloop flow, removed 7 redundant places. [2021-10-16 23:07:44,422 INFO L242 Difference]: Finished difference. Result has 202 places, 193 transitions, 1041 flow [2021-10-16 23:07:44,422 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=1105, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1041, PETRI_PLACES=202, PETRI_TRANSITIONS=193} [2021-10-16 23:07:44,422 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 94 predicate places. [2021-10-16 23:07:44,422 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 193 transitions, 1041 flow [2021-10-16 23:07:44,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:44,423 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:44,423 INFO L254 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] [2021-10-16 23:07:44,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-10-16 23:07:44,423 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:44,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:44,423 INFO L82 PathProgramCache]: Analyzing trace with hash -662213926, now seen corresponding path program 24 times [2021-10-16 23:07:44,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:44,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958085338] [2021-10-16 23:07:44,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:44,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:44,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:44,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958085338] [2021-10-16 23:07:44,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958085338] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:44,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:44,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:44,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070438436] [2021-10-16 23:07:44,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:44,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:44,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:44,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:44,594 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:44,594 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 193 transitions, 1041 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:44,594 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:44,594 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:44,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:45,264 INFO L129 PetriNetUnfolder]: 1025/3482 cut-off events. [2021-10-16 23:07:45,264 INFO L130 PetriNetUnfolder]: For 3885/3894 co-relation queries the response was YES. [2021-10-16 23:07:45,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10237 conditions, 3482 events. 1025/3482 cut-off events. For 3885/3894 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 28634 event pairs, 364 based on Foata normal form. 24/3488 useless extension candidates. Maximal degree in co-relation 10191. Up to 2017 conditions per place. [2021-10-16 23:07:45,282 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 138 selfloop transitions, 10 changer transitions 52/260 dead transitions. [2021-10-16 23:07:45,282 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 260 transitions, 1801 flow [2021-10-16 23:07:45,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:45,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 786 transitions. [2021-10-16 23:07:45,283 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6805194805194805 [2021-10-16 23:07:45,284 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 786 transitions. [2021-10-16 23:07:45,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 786 transitions. [2021-10-16 23:07:45,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:45,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 786 transitions. [2021-10-16 23:07:45,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 71.45454545454545) internal successors, (786), 11 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:45,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:45,285 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:45,285 INFO L186 Difference]: Start difference. First operand has 202 places, 193 transitions, 1041 flow. Second operand 11 states and 786 transitions. [2021-10-16 23:07:45,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 260 transitions, 1801 flow [2021-10-16 23:07:45,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 260 transitions, 1733 flow, removed 17 selfloop flow, removed 16 redundant places. [2021-10-16 23:07:45,300 INFO L242 Difference]: Finished difference. Result has 188 places, 189 transitions, 971 flow [2021-10-16 23:07:45,300 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=971, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=971, PETRI_PLACES=188, PETRI_TRANSITIONS=189} [2021-10-16 23:07:45,301 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 80 predicate places. [2021-10-16 23:07:45,301 INFO L470 AbstractCegarLoop]: Abstraction has has 188 places, 189 transitions, 971 flow [2021-10-16 23:07:45,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:45,301 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:45,301 INFO L254 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] [2021-10-16 23:07:45,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-10-16 23:07:45,301 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:45,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:45,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1363776546, now seen corresponding path program 16 times [2021-10-16 23:07:45,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:45,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504281370] [2021-10-16 23:07:45,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:45,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:45,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:45,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504281370] [2021-10-16 23:07:45,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504281370] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:45,454 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:45,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:45,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316381790] [2021-10-16 23:07:45,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:45,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:45,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:45,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:45,455 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:45,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 189 transitions, 971 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:45,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:45,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:45,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:46,150 INFO L129 PetriNetUnfolder]: 1024/3395 cut-off events. [2021-10-16 23:07:46,150 INFO L130 PetriNetUnfolder]: For 3451/3459 co-relation queries the response was YES. [2021-10-16 23:07:46,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9984 conditions, 3395 events. 1024/3395 cut-off events. For 3451/3459 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 27578 event pairs, 367 based on Foata normal form. 12/3388 useless extension candidates. Maximal degree in co-relation 9945. Up to 1388 conditions per place. [2021-10-16 23:07:46,163 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 236 selfloop transitions, 13 changer transitions 50/359 dead transitions. [2021-10-16 23:07:46,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 359 transitions, 2562 flow [2021-10-16 23:07:46,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:46,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:46,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 813 transitions. [2021-10-16 23:07:46,164 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7038961038961039 [2021-10-16 23:07:46,164 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 813 transitions. [2021-10-16 23:07:46,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 813 transitions. [2021-10-16 23:07:46,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:46,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 813 transitions. [2021-10-16 23:07:46,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 73.9090909090909) internal successors, (813), 11 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:46,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:46,166 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:46,166 INFO L186 Difference]: Start difference. First operand has 188 places, 189 transitions, 971 flow. Second operand 11 states and 813 transitions. [2021-10-16 23:07:46,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 359 transitions, 2562 flow [2021-10-16 23:07:46,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 359 transitions, 2516 flow, removed 8 selfloop flow, removed 12 redundant places. [2021-10-16 23:07:46,179 INFO L242 Difference]: Finished difference. Result has 183 places, 189 transitions, 962 flow [2021-10-16 23:07:46,179 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=929, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=962, PETRI_PLACES=183, PETRI_TRANSITIONS=189} [2021-10-16 23:07:46,179 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 75 predicate places. [2021-10-16 23:07:46,179 INFO L470 AbstractCegarLoop]: Abstraction has has 183 places, 189 transitions, 962 flow [2021-10-16 23:07:46,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:46,180 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:46,180 INFO L254 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] [2021-10-16 23:07:46,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-10-16 23:07:46,180 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:46,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:46,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1990232100, now seen corresponding path program 25 times [2021-10-16 23:07:46,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:46,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345988940] [2021-10-16 23:07:46,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:46,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:46,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:46,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:46,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345988940] [2021-10-16 23:07:46,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345988940] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:46,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:46,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:46,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244538053] [2021-10-16 23:07:46,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:46,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:46,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:46,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:46,346 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:46,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 189 transitions, 962 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:46,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:46,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:46,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:46,975 INFO L129 PetriNetUnfolder]: 1012/3458 cut-off events. [2021-10-16 23:07:46,976 INFO L130 PetriNetUnfolder]: For 3441/3450 co-relation queries the response was YES. [2021-10-16 23:07:46,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9928 conditions, 3458 events. 1012/3458 cut-off events. For 3441/3450 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 28486 event pairs, 424 based on Foata normal form. 24/3462 useless extension candidates. Maximal degree in co-relation 9893. Up to 1388 conditions per place. [2021-10-16 23:07:46,990 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 218 selfloop transitions, 10 changer transitions 50/338 dead transitions. [2021-10-16 23:07:46,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 338 transitions, 2395 flow [2021-10-16 23:07:46,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:46,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:46,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 801 transitions. [2021-10-16 23:07:46,992 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6935064935064935 [2021-10-16 23:07:46,992 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 801 transitions. [2021-10-16 23:07:46,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 801 transitions. [2021-10-16 23:07:46,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:46,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 801 transitions. [2021-10-16 23:07:46,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 72.81818181818181) internal successors, (801), 11 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:47,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:47,001 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:47,001 INFO L186 Difference]: Start difference. First operand has 183 places, 189 transitions, 962 flow. Second operand 11 states and 801 transitions. [2021-10-16 23:07:47,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 338 transitions, 2395 flow [2021-10-16 23:07:47,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 338 transitions, 2359 flow, removed 2 selfloop flow, removed 10 redundant places. [2021-10-16 23:07:47,016 INFO L242 Difference]: Finished difference. Result has 185 places, 189 transitions, 965 flow [2021-10-16 23:07:47,016 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=934, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=965, PETRI_PLACES=185, PETRI_TRANSITIONS=189} [2021-10-16 23:07:47,016 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 77 predicate places. [2021-10-16 23:07:47,016 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 189 transitions, 965 flow [2021-10-16 23:07:47,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:47,016 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:47,016 INFO L254 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] [2021-10-16 23:07:47,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-10-16 23:07:47,016 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:47,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:47,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1233553994, now seen corresponding path program 17 times [2021-10-16 23:07:47,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:47,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139057868] [2021-10-16 23:07:47,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:47,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:47,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:47,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:47,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139057868] [2021-10-16 23:07:47,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139057868] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:47,192 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:47,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:47,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711368830] [2021-10-16 23:07:47,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:47,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:47,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:47,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:47,193 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:47,194 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 189 transitions, 965 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:47,194 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:47,194 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:47,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:47,750 INFO L129 PetriNetUnfolder]: 701/2438 cut-off events. [2021-10-16 23:07:47,750 INFO L130 PetriNetUnfolder]: For 2174/2180 co-relation queries the response was YES. [2021-10-16 23:07:47,758 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6938 conditions, 2438 events. 701/2438 cut-off events. For 2174/2180 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 18142 event pairs, 299 based on Foata normal form. 24/2448 useless extension candidates. Maximal degree in co-relation 6901. Up to 1388 conditions per place. [2021-10-16 23:07:47,761 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 115 selfloop transitions, 7 changer transitions 68/250 dead transitions. [2021-10-16 23:07:47,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 250 transitions, 1662 flow [2021-10-16 23:07:47,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:47,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 785 transitions. [2021-10-16 23:07:47,762 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6796536796536796 [2021-10-16 23:07:47,763 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 785 transitions. [2021-10-16 23:07:47,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 785 transitions. [2021-10-16 23:07:47,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:47,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 785 transitions. [2021-10-16 23:07:47,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 71.36363636363636) internal successors, (785), 11 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:47,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:47,764 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:47,764 INFO L186 Difference]: Start difference. First operand has 185 places, 189 transitions, 965 flow. Second operand 11 states and 785 transitions. [2021-10-16 23:07:47,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 250 transitions, 1662 flow [2021-10-16 23:07:47,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 250 transitions, 1634 flow, removed 4 selfloop flow, removed 8 redundant places. [2021-10-16 23:07:47,774 INFO L242 Difference]: Finished difference. Result has 185 places, 181 transitions, 870 flow [2021-10-16 23:07:47,775 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=870, PETRI_PLACES=185, PETRI_TRANSITIONS=181} [2021-10-16 23:07:47,775 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 77 predicate places. [2021-10-16 23:07:47,775 INFO L470 AbstractCegarLoop]: Abstraction has has 185 places, 181 transitions, 870 flow [2021-10-16 23:07:47,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:47,775 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:47,775 INFO L254 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] [2021-10-16 23:07:47,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-10-16 23:07:47,775 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:47,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:47,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1543174242, now seen corresponding path program 18 times [2021-10-16 23:07:47,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:47,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226899814] [2021-10-16 23:07:47,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:47,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:47,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:47,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:47,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226899814] [2021-10-16 23:07:47,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226899814] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:47,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:47,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:47,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551801094] [2021-10-16 23:07:47,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:47,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:47,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:47,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:47,950 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:47,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 181 transitions, 870 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:47,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:47,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:47,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:48,582 INFO L129 PetriNetUnfolder]: 995/3328 cut-off events. [2021-10-16 23:07:48,582 INFO L130 PetriNetUnfolder]: For 2711/2720 co-relation queries the response was YES. [2021-10-16 23:07:48,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9463 conditions, 3328 events. 995/3328 cut-off events. For 2711/2720 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 27372 event pairs, 279 based on Foata normal form. 27/3337 useless extension candidates. Maximal degree in co-relation 9427. Up to 717 conditions per place. [2021-10-16 23:07:48,597 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 337 selfloop transitions, 13 changer transitions 16/426 dead transitions. [2021-10-16 23:07:48,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 426 transitions, 3081 flow [2021-10-16 23:07:48,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 814 transitions. [2021-10-16 23:07:48,598 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7047619047619048 [2021-10-16 23:07:48,598 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 814 transitions. [2021-10-16 23:07:48,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 814 transitions. [2021-10-16 23:07:48,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:48,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 814 transitions. [2021-10-16 23:07:48,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 74.0) internal successors, (814), 11 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:48,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:48,600 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:48,600 INFO L186 Difference]: Start difference. First operand has 185 places, 181 transitions, 870 flow. Second operand 11 states and 814 transitions. [2021-10-16 23:07:48,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 426 transitions, 3081 flow [2021-10-16 23:07:48,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 426 transitions, 3036 flow, removed 10 selfloop flow, removed 13 redundant places. [2021-10-16 23:07:48,613 INFO L242 Difference]: Finished difference. Result has 171 places, 186 transitions, 920 flow [2021-10-16 23:07:48,613 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=836, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=920, PETRI_PLACES=171, PETRI_TRANSITIONS=186} [2021-10-16 23:07:48,613 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 63 predicate places. [2021-10-16 23:07:48,613 INFO L470 AbstractCegarLoop]: Abstraction has has 171 places, 186 transitions, 920 flow [2021-10-16 23:07:48,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:48,614 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:48,614 INFO L254 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] [2021-10-16 23:07:48,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-10-16 23:07:48,615 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:48,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:48,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1691648320, now seen corresponding path program 26 times [2021-10-16 23:07:48,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:48,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089602364] [2021-10-16 23:07:48,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:48,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:48,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:48,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089602364] [2021-10-16 23:07:48,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089602364] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:48,764 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:48,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:48,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569193498] [2021-10-16 23:07:48,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:48,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:48,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:48,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:48,765 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:48,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 186 transitions, 920 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:48,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:48,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:48,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:49,367 INFO L129 PetriNetUnfolder]: 996/3291 cut-off events. [2021-10-16 23:07:49,368 INFO L130 PetriNetUnfolder]: For 3332/3352 co-relation queries the response was YES. [2021-10-16 23:07:49,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9638 conditions, 3291 events. 996/3291 cut-off events. For 3332/3352 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 26850 event pairs, 94 based on Foata normal form. 25/3304 useless extension candidates. Maximal degree in co-relation 9605. Up to 1653 conditions per place. [2021-10-16 23:07:49,380 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 143 selfloop transitions, 19 changer transitions 38/260 dead transitions. [2021-10-16 23:07:49,380 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 260 transitions, 1728 flow [2021-10-16 23:07:49,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:49,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:49,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 780 transitions. [2021-10-16 23:07:49,381 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6753246753246753 [2021-10-16 23:07:49,381 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 780 transitions. [2021-10-16 23:07:49,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 780 transitions. [2021-10-16 23:07:49,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:49,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 780 transitions. [2021-10-16 23:07:49,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 70.9090909090909) internal successors, (780), 11 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:49,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:49,382 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:49,382 INFO L186 Difference]: Start difference. First operand has 171 places, 186 transitions, 920 flow. Second operand 11 states and 780 transitions. [2021-10-16 23:07:49,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 260 transitions, 1728 flow [2021-10-16 23:07:49,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 260 transitions, 1708 flow, removed 1 selfloop flow, removed 6 redundant places. [2021-10-16 23:07:49,393 INFO L242 Difference]: Finished difference. Result has 177 places, 186 transitions, 953 flow [2021-10-16 23:07:49,393 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=903, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=953, PETRI_PLACES=177, PETRI_TRANSITIONS=186} [2021-10-16 23:07:49,393 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 69 predicate places. [2021-10-16 23:07:49,393 INFO L470 AbstractCegarLoop]: Abstraction has has 177 places, 186 transitions, 953 flow [2021-10-16 23:07:49,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:49,393 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:49,393 INFO L254 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] [2021-10-16 23:07:49,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-10-16 23:07:49,393 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:49,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:49,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1069467344, now seen corresponding path program 27 times [2021-10-16 23:07:49,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:49,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945344240] [2021-10-16 23:07:49,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:49,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:49,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:49,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:49,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945344240] [2021-10-16 23:07:49,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945344240] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:49,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:49,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:49,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088684408] [2021-10-16 23:07:49,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:49,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:49,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:49,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:49,566 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:49,566 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 186 transitions, 953 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:49,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:49,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:49,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:50,199 INFO L129 PetriNetUnfolder]: 981/3267 cut-off events. [2021-10-16 23:07:50,199 INFO L130 PetriNetUnfolder]: For 3974/3985 co-relation queries the response was YES. [2021-10-16 23:07:50,210 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9889 conditions, 3267 events. 981/3267 cut-off events. For 3974/3985 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 26691 event pairs, 339 based on Foata normal form. 13/3259 useless extension candidates. Maximal degree in co-relation 9854. Up to 1346 conditions per place. [2021-10-16 23:07:50,214 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 236 selfloop transitions, 12 changer transitions 49/357 dead transitions. [2021-10-16 23:07:50,215 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 357 transitions, 2562 flow [2021-10-16 23:07:50,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:50,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:50,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 812 transitions. [2021-10-16 23:07:50,216 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.703030303030303 [2021-10-16 23:07:50,216 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 812 transitions. [2021-10-16 23:07:50,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 812 transitions. [2021-10-16 23:07:50,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:50,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 812 transitions. [2021-10-16 23:07:50,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 73.81818181818181) internal successors, (812), 11 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:50,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:50,220 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:50,220 INFO L186 Difference]: Start difference. First operand has 177 places, 186 transitions, 953 flow. Second operand 11 states and 812 transitions. [2021-10-16 23:07:50,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 357 transitions, 2562 flow [2021-10-16 23:07:50,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 357 transitions, 2508 flow, removed 1 selfloop flow, removed 10 redundant places. [2021-10-16 23:07:50,233 INFO L242 Difference]: Finished difference. Result has 179 places, 187 transitions, 960 flow [2021-10-16 23:07:50,234 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=913, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=960, PETRI_PLACES=179, PETRI_TRANSITIONS=187} [2021-10-16 23:07:50,234 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 71 predicate places. [2021-10-16 23:07:50,234 INFO L470 AbstractCegarLoop]: Abstraction has has 179 places, 187 transitions, 960 flow [2021-10-16 23:07:50,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:50,234 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:50,234 INFO L254 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] [2021-10-16 23:07:50,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-10-16 23:07:50,234 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:50,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:50,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1225250752, now seen corresponding path program 28 times [2021-10-16 23:07:50,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:50,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630594944] [2021-10-16 23:07:50,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:50,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:50,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:50,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:50,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630594944] [2021-10-16 23:07:50,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630594944] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:50,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:50,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:50,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651340951] [2021-10-16 23:07:50,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:50,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:50,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:50,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:50,407 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:50,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 187 transitions, 960 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:50,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:50,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:50,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:50,999 INFO L129 PetriNetUnfolder]: 957/3314 cut-off events. [2021-10-16 23:07:50,999 INFO L130 PetriNetUnfolder]: For 3799/3811 co-relation queries the response was YES. [2021-10-16 23:07:51,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9760 conditions, 3314 events. 957/3314 cut-off events. For 3799/3811 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 27546 event pairs, 338 based on Foata normal form. 25/3323 useless extension candidates. Maximal degree in co-relation 9723. Up to 1926 conditions per place. [2021-10-16 23:07:51,013 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 128 selfloop transitions, 12 changer transitions 38/238 dead transitions. [2021-10-16 23:07:51,013 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 238 transitions, 1611 flow [2021-10-16 23:07:51,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:51,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:51,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 768 transitions. [2021-10-16 23:07:51,015 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6649350649350649 [2021-10-16 23:07:51,015 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 768 transitions. [2021-10-16 23:07:51,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 768 transitions. [2021-10-16 23:07:51,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:51,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 768 transitions. [2021-10-16 23:07:51,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 69.81818181818181) internal successors, (768), 11 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:51,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:51,016 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:51,016 INFO L186 Difference]: Start difference. First operand has 179 places, 187 transitions, 960 flow. Second operand 11 states and 768 transitions. [2021-10-16 23:07:51,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 238 transitions, 1611 flow [2021-10-16 23:07:51,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 238 transitions, 1567 flow, removed 6 selfloop flow, removed 10 redundant places. [2021-10-16 23:07:51,030 INFO L242 Difference]: Finished difference. Result has 181 places, 187 transitions, 961 flow [2021-10-16 23:07:51,030 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=925, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=961, PETRI_PLACES=181, PETRI_TRANSITIONS=187} [2021-10-16 23:07:51,030 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 73 predicate places. [2021-10-16 23:07:51,030 INFO L470 AbstractCegarLoop]: Abstraction has has 181 places, 187 transitions, 961 flow [2021-10-16 23:07:51,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:51,030 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:51,030 INFO L254 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] [2021-10-16 23:07:51,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-10-16 23:07:51,030 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:51,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:51,031 INFO L82 PathProgramCache]: Analyzing trace with hash -53422988, now seen corresponding path program 29 times [2021-10-16 23:07:51,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:51,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482830112] [2021-10-16 23:07:51,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:51,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:51,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:51,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482830112] [2021-10-16 23:07:51,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482830112] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:51,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:51,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:51,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270206704] [2021-10-16 23:07:51,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:51,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:51,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:51,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:51,191 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:51,191 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 187 transitions, 961 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:51,191 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:51,191 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:51,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:51,717 INFO L129 PetriNetUnfolder]: 658/2282 cut-off events. [2021-10-16 23:07:51,717 INFO L130 PetriNetUnfolder]: For 2764/2771 co-relation queries the response was YES. [2021-10-16 23:07:51,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6791 conditions, 2282 events. 658/2282 cut-off events. For 2764/2771 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 16955 event pairs, 262 based on Foata normal form. 12/2279 useless extension candidates. Maximal degree in co-relation 6753. Up to 698 conditions per place. [2021-10-16 23:07:51,727 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 212 selfloop transitions, 8 changer transitions 39/319 dead transitions. [2021-10-16 23:07:51,727 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 319 transitions, 2274 flow [2021-10-16 23:07:51,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:51,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:51,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 785 transitions. [2021-10-16 23:07:51,728 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6796536796536796 [2021-10-16 23:07:51,728 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 785 transitions. [2021-10-16 23:07:51,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 785 transitions. [2021-10-16 23:07:51,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:51,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 785 transitions. [2021-10-16 23:07:51,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 71.36363636363636) internal successors, (785), 11 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:51,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:51,729 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:51,729 INFO L186 Difference]: Start difference. First operand has 181 places, 187 transitions, 961 flow. Second operand 11 states and 785 transitions. [2021-10-16 23:07:51,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 319 transitions, 2274 flow [2021-10-16 23:07:51,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 319 transitions, 2225 flow, removed 9 selfloop flow, removed 10 redundant places. [2021-10-16 23:07:51,740 INFO L242 Difference]: Finished difference. Result has 180 places, 182 transitions, 888 flow [2021-10-16 23:07:51,740 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=888, PETRI_PLACES=180, PETRI_TRANSITIONS=182} [2021-10-16 23:07:51,740 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 72 predicate places. [2021-10-16 23:07:51,740 INFO L470 AbstractCegarLoop]: Abstraction has has 180 places, 182 transitions, 888 flow [2021-10-16 23:07:51,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:51,740 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:51,740 INFO L254 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] [2021-10-16 23:07:51,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-10-16 23:07:51,741 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:51,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:51,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1124782226, now seen corresponding path program 30 times [2021-10-16 23:07:51,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:51,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972317122] [2021-10-16 23:07:51,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:51,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:51,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:51,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:51,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972317122] [2021-10-16 23:07:51,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972317122] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:51,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:51,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:51,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700794061] [2021-10-16 23:07:51,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:51,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:51,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:51,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:51,901 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:51,901 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 182 transitions, 888 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:51,901 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:51,901 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:51,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:52,419 INFO L129 PetriNetUnfolder]: 647/2186 cut-off events. [2021-10-16 23:07:52,420 INFO L130 PetriNetUnfolder]: For 2158/2168 co-relation queries the response was YES. [2021-10-16 23:07:52,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6358 conditions, 2186 events. 647/2186 cut-off events. For 2158/2168 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 15966 event pairs, 162 based on Foata normal form. 15/2188 useless extension candidates. Maximal degree in co-relation 6322. Up to 661 conditions per place. [2021-10-16 23:07:52,429 INFO L132 encePairwiseOnDemand]: 92/105 looper letters, 227 selfloop transitions, 13 changer transitions 38/338 dead transitions. [2021-10-16 23:07:52,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 338 transitions, 2382 flow [2021-10-16 23:07:52,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:52,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:52,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 796 transitions. [2021-10-16 23:07:52,430 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6891774891774892 [2021-10-16 23:07:52,430 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 796 transitions. [2021-10-16 23:07:52,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 796 transitions. [2021-10-16 23:07:52,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:52,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 796 transitions. [2021-10-16 23:07:52,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 72.36363636363636) internal successors, (796), 11 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:52,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:52,432 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:52,432 INFO L186 Difference]: Start difference. First operand has 180 places, 182 transitions, 888 flow. Second operand 11 states and 796 transitions. [2021-10-16 23:07:52,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 338 transitions, 2382 flow [2021-10-16 23:07:52,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 338 transitions, 2340 flow, removed 11 selfloop flow, removed 10 redundant places. [2021-10-16 23:07:52,442 INFO L242 Difference]: Finished difference. Result has 176 places, 182 transitions, 893 flow [2021-10-16 23:07:52,442 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=860, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=893, PETRI_PLACES=176, PETRI_TRANSITIONS=182} [2021-10-16 23:07:52,442 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 68 predicate places. [2021-10-16 23:07:52,442 INFO L470 AbstractCegarLoop]: Abstraction has has 176 places, 182 transitions, 893 flow [2021-10-16 23:07:52,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:52,442 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:52,442 INFO L254 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] [2021-10-16 23:07:52,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-10-16 23:07:52,442 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:52,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:52,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1983608662, now seen corresponding path program 31 times [2021-10-16 23:07:52,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:52,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111168122] [2021-10-16 23:07:52,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:52,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:52,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:52,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111168122] [2021-10-16 23:07:52,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111168122] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:52,626 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:52,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:52,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395660552] [2021-10-16 23:07:52,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:52,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:52,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:52,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:52,627 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:52,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 182 transitions, 893 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:52,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:52,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:52,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:53,013 INFO L129 PetriNetUnfolder]: 311/1174 cut-off events. [2021-10-16 23:07:53,013 INFO L130 PetriNetUnfolder]: For 1065/1068 co-relation queries the response was YES. [2021-10-16 23:07:53,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3287 conditions, 1174 events. 311/1174 cut-off events. For 1065/1068 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 7114 event pairs, 125 based on Foata normal form. 24/1190 useless extension candidates. Maximal degree in co-relation 3253. Up to 661 conditions per place. [2021-10-16 23:07:53,017 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 109 selfloop transitions, 7 changer transitions 40/216 dead transitions. [2021-10-16 23:07:53,017 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 216 transitions, 1381 flow [2021-10-16 23:07:53,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:53,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:53,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 755 transitions. [2021-10-16 23:07:53,018 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6536796536796536 [2021-10-16 23:07:53,018 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 755 transitions. [2021-10-16 23:07:53,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 755 transitions. [2021-10-16 23:07:53,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:53,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 755 transitions. [2021-10-16 23:07:53,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 68.63636363636364) internal successors, (755), 11 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:53,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:53,020 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:53,020 INFO L186 Difference]: Start difference. First operand has 176 places, 182 transitions, 893 flow. Second operand 11 states and 755 transitions. [2021-10-16 23:07:53,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 216 transitions, 1381 flow [2021-10-16 23:07:53,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 216 transitions, 1352 flow, removed 3 selfloop flow, removed 10 redundant places. [2021-10-16 23:07:53,025 INFO L242 Difference]: Finished difference. Result has 178 places, 176 transitions, 833 flow [2021-10-16 23:07:53,026 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=847, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=833, PETRI_PLACES=178, PETRI_TRANSITIONS=176} [2021-10-16 23:07:53,026 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 70 predicate places. [2021-10-16 23:07:53,026 INFO L470 AbstractCegarLoop]: Abstraction has has 178 places, 176 transitions, 833 flow [2021-10-16 23:07:53,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:53,026 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:07:53,026 INFO L254 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] [2021-10-16 23:07:53,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-10-16 23:07:53,026 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2021-10-16 23:07:53,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:07:53,026 INFO L82 PathProgramCache]: Analyzing trace with hash -41305796, now seen corresponding path program 19 times [2021-10-16 23:07:53,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:07:53,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642195538] [2021-10-16 23:07:53,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:07:53,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:07:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:07:53,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:07:53,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:07:53,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642195538] [2021-10-16 23:07:53,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642195538] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:07:53,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:07:53,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 23:07:53,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146064686] [2021-10-16 23:07:53,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-16 23:07:53,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:07:53,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-16 23:07:53,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-16 23:07:53,177 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 105 [2021-10-16 23:07:53,178 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 176 transitions, 833 flow. Second operand has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:53,178 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:07:53,178 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 105 [2021-10-16 23:07:53,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:07:53,467 INFO L129 PetriNetUnfolder]: 0/109 cut-off events. [2021-10-16 23:07:53,467 INFO L130 PetriNetUnfolder]: For 156/156 co-relation queries the response was YES. [2021-10-16 23:07:53,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 109 events. 0/109 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 124 event pairs, 0 based on Foata normal form. 24/133 useless extension candidates. Maximal degree in co-relation 0. Up to 24 conditions per place. [2021-10-16 23:07:53,467 INFO L132 encePairwiseOnDemand]: 94/105 looper letters, 0 selfloop transitions, 0 changer transitions 101/101 dead transitions. [2021-10-16 23:07:53,467 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 101 transitions, 476 flow [2021-10-16 23:07:53,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-16 23:07:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-10-16 23:07:53,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 725 transitions. [2021-10-16 23:07:53,468 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6277056277056277 [2021-10-16 23:07:53,468 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 725 transitions. [2021-10-16 23:07:53,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 725 transitions. [2021-10-16 23:07:53,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:07:53,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 725 transitions. [2021-10-16 23:07:53,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 65.9090909090909) internal successors, (725), 11 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:53,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:53,470 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:53,470 INFO L186 Difference]: Start difference. First operand has 178 places, 176 transitions, 833 flow. Second operand 11 states and 725 transitions. [2021-10-16 23:07:53,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 101 transitions, 476 flow [2021-10-16 23:07:53,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 101 transitions, 328 flow, removed 33 selfloop flow, removed 38 redundant places. [2021-10-16 23:07:53,471 INFO L242 Difference]: Finished difference. Result has 129 places, 0 transitions, 0 flow [2021-10-16 23:07:53,471 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=129, PETRI_TRANSITIONS=0} [2021-10-16 23:07:53,471 INFO L334 CegarLoopForPetriNet]: 108 programPoint places, 21 predicate places. [2021-10-16 23:07:53,471 INFO L470 AbstractCegarLoop]: Abstraction has has 129 places, 0 transitions, 0 flow [2021-10-16 23:07:53,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.81818181818182) internal successors, (702), 11 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:07:53,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:53,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:53,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:53,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 23:07:53,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:53,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:07:53,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-10-16 23:07:53,477 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 23:07:53,477 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 23:07:53,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:07:53 BasicIcfg [2021-10-16 23:07:53,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 23:07:53,479 INFO L168 Benchmark]: Toolchain (without parser) took 53417.97 ms. Allocated memory was 177.2 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 124.6 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 508.3 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:53,479 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 177.2 MB. Free memory is still 143.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:07:53,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.59 ms. Allocated memory was 177.2 MB in the beginning and 212.9 MB in the end (delta: 35.7 MB). Free memory was 124.4 MB in the beginning and 164.0 MB in the end (delta: -39.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:53,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.64 ms. Allocated memory is still 212.9 MB. Free memory was 164.0 MB in the beginning and 161.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:53,480 INFO L168 Benchmark]: Boogie Preprocessor took 32.32 ms. Allocated memory is still 212.9 MB. Free memory was 160.9 MB in the beginning and 159.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:53,480 INFO L168 Benchmark]: RCFGBuilder took 430.40 ms. Allocated memory is still 212.9 MB. Free memory was 159.3 MB in the beginning and 145.2 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:53,480 INFO L168 Benchmark]: TraceAbstraction took 52481.36 ms. Allocated memory was 212.9 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 144.6 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 494.2 MB. Max. memory is 8.0 GB. [2021-10-16 23:07:53,481 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 177.2 MB. Free memory is still 143.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 436.59 ms. Allocated memory was 177.2 MB in the beginning and 212.9 MB in the end (delta: 35.7 MB). Free memory was 124.4 MB in the beginning and 164.0 MB in the end (delta: -39.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 33.64 ms. Allocated memory is still 212.9 MB. Free memory was 164.0 MB in the beginning and 161.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.32 ms. Allocated memory is still 212.9 MB. Free memory was 160.9 MB in the beginning and 159.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 430.40 ms. Allocated memory is still 212.9 MB. Free memory was 159.3 MB in the beginning and 145.2 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 52481.36 ms. Allocated memory was 212.9 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 144.6 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 494.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1237]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1222]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 140 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 9.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 52373.5ms, OverallIterations: 54, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 41928.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 59.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3917 SDtfs, 12498 SDslu, 13542 SDs, 0 SdLazy, 17397 SolverSat, 350 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8504.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 967 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 813 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 948 ImplicationChecksByTransitivity, 14885.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1324occurred in iteration=15, InterpolantAutomatonStates: 571, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 73.7ms SsaConstructionTime, 301.8ms SatisfiabilityAnalysisTime, 9635.9ms InterpolantComputationTime, 3654 NumberOfCodeBlocks, 3654 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 3600 ConstructedInterpolants, 0 QuantifiedInterpolants, 24938 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 54 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-16 23:07:53,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...