/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/weaver/parallel-ticket-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:41:42,050 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-19 14:41:42,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-19 14:41:42,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-19 14:41:42,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-19 14:41:42,144 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 [2021-10-19 14:41:42,167 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:41:42,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:41:42,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:41:42,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:41:42,168 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:41:42,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:41:42,169 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:41:42,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:41:42,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:41:42,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:41:42,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:41:42,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:41:42,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:41:42,169 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:41:42,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:41:42,169 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:41:42,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:41:42,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:41:42,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:41:42,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:41:42,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:41:42,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:41:42,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:41:42,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:41:42,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:41:42,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:41:42,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:41:42,170 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:41:42,171 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-19 14:41:42,171 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:41:42,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:41:42,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:41:42,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:41:42,385 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:41:42,385 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:41:42,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c [2021-10-19 14:41:42,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d66dade85/2ee99e23ef324ba68bed33dc2ca16f53/FLAG0d44485b7 [2021-10-19 14:41:42,803 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:41:42,804 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c [2021-10-19 14:41:42,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d66dade85/2ee99e23ef324ba68bed33dc2ca16f53/FLAG0d44485b7 [2021-10-19 14:41:42,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d66dade85/2ee99e23ef324ba68bed33dc2ca16f53 [2021-10-19 14:41:42,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:41:42,837 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:41:42,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:41:42,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:41:42,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:41:42,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:41:42" (1/1) ... [2021-10-19 14:41:42,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@594d0cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:41:42, skipping insertion in model container [2021-10-19 14:41:42,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:41:42" (1/1) ... [2021-10-19 14:41:42,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:41:42,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:41:43,041 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c[2652,2665] [2021-10-19 14:41:43,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:41:43,054 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:41:43,088 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c[2652,2665] [2021-10-19 14:41:43,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:41:43,097 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:41:43,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:41:43 WrapperNode [2021-10-19 14:41:43,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:41:43,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:41:43,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:41:43,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:41:43,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:41:43" (1/1) ... [2021-10-19 14:41:43,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:41:43" (1/1) ... [2021-10-19 14:41:43,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:41:43,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:41:43,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:41:43,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:41:43,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:41:43" (1/1) ... [2021-10-19 14:41:43,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:41:43" (1/1) ... [2021-10-19 14:41:43,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:41:43" (1/1) ... [2021-10-19 14:41:43,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:41:43" (1/1) ... [2021-10-19 14:41:43,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:41:43" (1/1) ... [2021-10-19 14:41:43,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:41:43" (1/1) ... [2021-10-19 14:41:43,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:41:43" (1/1) ... [2021-10-19 14:41:43,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:41:43,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:41:43,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:41:43,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:41:43,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:41:43" (1/1) ... [2021-10-19 14:41:43,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:41:43,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:41:43,219 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) [2021-10-19 14:41:43,220 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 [2021-10-19 14:41:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-19 14:41:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-19 14:41:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-19 14:41:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-19 14:41:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:41:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:41:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:41:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-19 14:41:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-19 14:41:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:41:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:41:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-19 14:41:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:41:43,246 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-19 14:41:43,787 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:41:43,787 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-19 14:41:43,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:41:43 BoogieIcfgContainer [2021-10-19 14:41:43,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:41:43,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:41:43,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:41:43,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:41:43,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:41:42" (1/3) ... [2021-10-19 14:41:43,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6866093a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:41:43, skipping insertion in model container [2021-10-19 14:41:43,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:41:43" (2/3) ... [2021-10-19 14:41:43,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6866093a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:41:43, skipping insertion in model container [2021-10-19 14:41:43,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:41:43" (3/3) ... [2021-10-19 14:41:43,797 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-ticket-2.wvr.c [2021-10-19 14:41:43,800 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:41:43,800 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-10-19 14:41:43,801 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:41:43,832 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,833 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,834 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,835 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,835 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,835 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,835 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,835 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,835 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,835 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,835 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,835 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,835 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,836 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,836 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,836 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,836 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,836 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,836 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,836 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,836 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,837 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,837 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,837 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,837 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,837 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,838 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,838 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,838 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,838 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,841 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,842 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,842 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,842 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,842 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,842 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,842 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,842 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,842 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,843 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,843 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,843 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,843 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,843 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,843 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,843 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,843 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,843 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,843 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,844 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,844 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,844 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,844 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,844 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,844 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,845 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,845 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,845 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,845 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,846 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,846 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,846 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,846 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,847 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,847 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,847 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,847 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,847 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,847 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,847 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,848 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,848 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,851 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,851 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,851 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,852 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,852 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,852 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,852 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,852 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,852 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,852 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,853 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,855 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,855 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,855 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,856 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,856 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,858 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,858 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,858 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,863 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,863 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,863 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:41:43,866 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-19 14:41:43,905 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:41:43,911 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 [2021-10-19 14:41:43,911 INFO L340 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2021-10-19 14:41:43,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 188 places, 186 transitions, 388 flow [2021-10-19 14:41:43,985 INFO L129 PetriNetUnfolder]: 5/184 cut-off events. [2021-10-19 14:41:43,986 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-19 14:41:43,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 184 events. 5/184 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 184 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 131. Up to 2 conditions per place. [2021-10-19 14:41:43,989 INFO L82 GeneralOperation]: Start removeDead. Operand has 188 places, 186 transitions, 388 flow [2021-10-19 14:41:43,996 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 172 places, 169 transitions, 350 flow [2021-10-19 14:41:44,004 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-10-19 14:41:44,004 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:41:44,004 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:41:44,005 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] [2021-10-19 14:41:44,005 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2021-10-19 14:41:44,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:41:44,009 INFO L82 PathProgramCache]: Analyzing trace with hash 547273923, now seen corresponding path program 1 times [2021-10-19 14:41:44,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:41:44,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072760215] [2021-10-19 14:41:44,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:41:44,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:41:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:41:44,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:41:44,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:41:44,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072760215] [2021-10-19 14:41:44,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072760215] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:41:44,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:41:44,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:41:44,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849195900] [2021-10-19 14:41:44,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:41:44,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:41:44,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:41:44,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:41:44,156 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 186 [2021-10-19 14:41:44,160 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 169 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,160 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:41:44,160 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 186 [2021-10-19 14:41:44,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:41:44,205 INFO L129 PetriNetUnfolder]: 3/146 cut-off events. [2021-10-19 14:41:44,205 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-19 14:41:44,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 146 events. 3/146 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 91 event pairs, 0 based on Foata normal form. 8/137 useless extension candidates. Maximal degree in co-relation 126. Up to 6 conditions per place. [2021-10-19 14:41:44,208 INFO L132 encePairwiseOnDemand]: 161/186 looper letters, 5 selfloop transitions, 2 changer transitions 1/146 dead transitions. [2021-10-19 14:41:44,208 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 146 transitions, 318 flow [2021-10-19 14:41:44,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:41:44,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:41:44,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 492 transitions. [2021-10-19 14:41:44,221 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8817204301075269 [2021-10-19 14:41:44,222 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 492 transitions. [2021-10-19 14:41:44,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 492 transitions. [2021-10-19 14:41:44,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:41:44,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 492 transitions. [2021-10-19 14:41:44,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,236 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,238 INFO L186 Difference]: Start difference. First operand has 172 places, 169 transitions, 350 flow. Second operand 3 states and 492 transitions. [2021-10-19 14:41:44,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 146 transitions, 318 flow [2021-10-19 14:41:44,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 146 transitions, 310 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-19 14:41:44,243 INFO L242 Difference]: Finished difference. Result has 148 places, 145 transitions, 298 flow [2021-10-19 14:41:44,244 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=298, PETRI_PLACES=148, PETRI_TRANSITIONS=145} [2021-10-19 14:41:44,245 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, -24 predicate places. [2021-10-19 14:41:44,245 INFO L470 AbstractCegarLoop]: Abstraction has has 148 places, 145 transitions, 298 flow [2021-10-19 14:41:44,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,245 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:41:44,245 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] [2021-10-19 14:41:44,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:41:44,246 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2021-10-19 14:41:44,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:41:44,246 INFO L82 PathProgramCache]: Analyzing trace with hash 2140174535, now seen corresponding path program 1 times [2021-10-19 14:41:44,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:41:44,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931548860] [2021-10-19 14:41:44,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:41:44,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:41:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:41:44,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:41:44,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:41:44,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931548860] [2021-10-19 14:41:44,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931548860] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:41:44,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:41:44,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:41:44,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116392678] [2021-10-19 14:41:44,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:41:44,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:41:44,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:41:44,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:41:44,277 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 186 [2021-10-19 14:41:44,277 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 145 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,277 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:41:44,277 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 186 [2021-10-19 14:41:44,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:41:44,294 INFO L129 PetriNetUnfolder]: 3/144 cut-off events. [2021-10-19 14:41:44,294 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:41:44,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 144 events. 3/144 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 88 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 128. Up to 6 conditions per place. [2021-10-19 14:41:44,295 INFO L132 encePairwiseOnDemand]: 183/186 looper letters, 5 selfloop transitions, 2 changer transitions 0/144 dead transitions. [2021-10-19 14:41:44,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 144 transitions, 310 flow [2021-10-19 14:41:44,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:41:44,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:41:44,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 470 transitions. [2021-10-19 14:41:44,296 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8422939068100358 [2021-10-19 14:41:44,296 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 470 transitions. [2021-10-19 14:41:44,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 470 transitions. [2021-10-19 14:41:44,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:41:44,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 470 transitions. [2021-10-19 14:41:44,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 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) [2021-10-19 14:41:44,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,299 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,299 INFO L186 Difference]: Start difference. First operand has 148 places, 145 transitions, 298 flow. Second operand 3 states and 470 transitions. [2021-10-19 14:41:44,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 144 transitions, 310 flow [2021-10-19 14:41:44,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 144 transitions, 306 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:41:44,302 INFO L242 Difference]: Finished difference. Result has 146 places, 144 transitions, 296 flow [2021-10-19 14:41:44,302 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=296, PETRI_PLACES=146, PETRI_TRANSITIONS=144} [2021-10-19 14:41:44,303 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, -26 predicate places. [2021-10-19 14:41:44,303 INFO L470 AbstractCegarLoop]: Abstraction has has 146 places, 144 transitions, 296 flow [2021-10-19 14:41:44,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,303 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:41:44,303 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] [2021-10-19 14:41:44,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:41:44,304 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2021-10-19 14:41:44,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:41:44,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1547801381, now seen corresponding path program 1 times [2021-10-19 14:41:44,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:41:44,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424115924] [2021-10-19 14:41:44,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:41:44,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:41:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:41:44,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:41:44,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:41:44,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424115924] [2021-10-19 14:41:44,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424115924] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:41:44,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:41:44,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:41:44,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496140726] [2021-10-19 14:41:44,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:41:44,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:41:44,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:41:44,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:41:44,334 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 186 [2021-10-19 14:41:44,334 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 144 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,334 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:41:44,334 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 186 [2021-10-19 14:41:44,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:41:44,365 INFO L129 PetriNetUnfolder]: 7/177 cut-off events. [2021-10-19 14:41:44,365 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:41:44,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 177 events. 7/177 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 217 event pairs, 4 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 173. Up to 25 conditions per place. [2021-10-19 14:41:44,366 INFO L132 encePairwiseOnDemand]: 183/186 looper letters, 16 selfloop transitions, 2 changer transitions 0/143 dead transitions. [2021-10-19 14:41:44,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 143 transitions, 330 flow [2021-10-19 14:41:44,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:41:44,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:41:44,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 448 transitions. [2021-10-19 14:41:44,368 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8028673835125448 [2021-10-19 14:41:44,368 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 448 transitions. [2021-10-19 14:41:44,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 448 transitions. [2021-10-19 14:41:44,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:41:44,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 448 transitions. [2021-10-19 14:41:44,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,371 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,371 INFO L186 Difference]: Start difference. First operand has 146 places, 144 transitions, 296 flow. Second operand 3 states and 448 transitions. [2021-10-19 14:41:44,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 143 transitions, 330 flow [2021-10-19 14:41:44,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 143 transitions, 326 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:41:44,373 INFO L242 Difference]: Finished difference. Result has 145 places, 143 transitions, 294 flow [2021-10-19 14:41:44,374 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=294, PETRI_PLACES=145, PETRI_TRANSITIONS=143} [2021-10-19 14:41:44,374 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, -27 predicate places. [2021-10-19 14:41:44,374 INFO L470 AbstractCegarLoop]: Abstraction has has 145 places, 143 transitions, 294 flow [2021-10-19 14:41:44,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,375 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:41:44,375 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] [2021-10-19 14:41:44,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:41:44,375 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2021-10-19 14:41:44,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:41:44,375 INFO L82 PathProgramCache]: Analyzing trace with hash -2144624298, now seen corresponding path program 1 times [2021-10-19 14:41:44,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:41:44,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392789361] [2021-10-19 14:41:44,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:41:44,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:41:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:41:44,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:41:44,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:41:44,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392789361] [2021-10-19 14:41:44,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392789361] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:41:44,402 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:41:44,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:41:44,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520241954] [2021-10-19 14:41:44,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:41:44,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:41:44,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:41:44,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:41:44,461 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 186 [2021-10-19 14:41:44,462 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 143 transitions, 294 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,462 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:41:44,462 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 186 [2021-10-19 14:41:44,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:41:44,486 INFO L129 PetriNetUnfolder]: 4/159 cut-off events. [2021-10-19 14:41:44,486 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:41:44,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 159 events. 4/159 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 135 event pairs, 1 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 134. Up to 11 conditions per place. [2021-10-19 14:41:44,487 INFO L132 encePairwiseOnDemand]: 183/186 looper letters, 8 selfloop transitions, 2 changer transitions 0/142 dead transitions. [2021-10-19 14:41:44,487 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 142 transitions, 312 flow [2021-10-19 14:41:44,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:41:44,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:41:44,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 464 transitions. [2021-10-19 14:41:44,489 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8315412186379928 [2021-10-19 14:41:44,489 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 464 transitions. [2021-10-19 14:41:44,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 464 transitions. [2021-10-19 14:41:44,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:41:44,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 464 transitions. [2021-10-19 14:41:44,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,491 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,491 INFO L186 Difference]: Start difference. First operand has 145 places, 143 transitions, 294 flow. Second operand 3 states and 464 transitions. [2021-10-19 14:41:44,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 142 transitions, 312 flow [2021-10-19 14:41:44,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 142 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:41:44,494 INFO L242 Difference]: Finished difference. Result has 144 places, 142 transitions, 292 flow [2021-10-19 14:41:44,494 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=144, PETRI_TRANSITIONS=142} [2021-10-19 14:41:44,494 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, -28 predicate places. [2021-10-19 14:41:44,494 INFO L470 AbstractCegarLoop]: Abstraction has has 144 places, 142 transitions, 292 flow [2021-10-19 14:41:44,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,495 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:41:44,495 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] [2021-10-19 14:41:44,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:41:44,495 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2021-10-19 14:41:44,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:41:44,496 INFO L82 PathProgramCache]: Analyzing trace with hash -2100913822, now seen corresponding path program 1 times [2021-10-19 14:41:44,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:41:44,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255858805] [2021-10-19 14:41:44,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:41:44,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:41:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:41:44,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:41:44,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:41:44,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255858805] [2021-10-19 14:41:44,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255858805] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:41:44,521 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:41:44,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:41:44,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35394389] [2021-10-19 14:41:44,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:41:44,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:41:44,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:41:44,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:41:44,523 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 186 [2021-10-19 14:41:44,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 142 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:41:44,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 186 [2021-10-19 14:41:44,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:41:44,542 INFO L129 PetriNetUnfolder]: 5/157 cut-off events. [2021-10-19 14:41:44,543 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:41:44,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 157 events. 5/157 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 138 event pairs, 2 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 128. Up to 14 conditions per place. [2021-10-19 14:41:44,543 INFO L132 encePairwiseOnDemand]: 183/186 looper letters, 9 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2021-10-19 14:41:44,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 141 transitions, 312 flow [2021-10-19 14:41:44,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:41:44,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:41:44,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 462 transitions. [2021-10-19 14:41:44,545 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8279569892473119 [2021-10-19 14:41:44,545 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 462 transitions. [2021-10-19 14:41:44,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 462 transitions. [2021-10-19 14:41:44,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:41:44,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 462 transitions. [2021-10-19 14:41:44,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,547 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,547 INFO L186 Difference]: Start difference. First operand has 144 places, 142 transitions, 292 flow. Second operand 3 states and 462 transitions. [2021-10-19 14:41:44,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 141 transitions, 312 flow [2021-10-19 14:41:44,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 141 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:41:44,550 INFO L242 Difference]: Finished difference. Result has 143 places, 141 transitions, 290 flow [2021-10-19 14:41:44,550 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=290, PETRI_PLACES=143, PETRI_TRANSITIONS=141} [2021-10-19 14:41:44,550 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, -29 predicate places. [2021-10-19 14:41:44,550 INFO L470 AbstractCegarLoop]: Abstraction has has 143 places, 141 transitions, 290 flow [2021-10-19 14:41:44,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,551 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:41:44,551 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] [2021-10-19 14:41:44,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:41:44,551 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2021-10-19 14:41:44,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:41:44,552 INFO L82 PathProgramCache]: Analyzing trace with hash 271706516, now seen corresponding path program 1 times [2021-10-19 14:41:44,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:41:44,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859636383] [2021-10-19 14:41:44,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:41:44,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:41:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:41:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:41:44,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:41:44,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859636383] [2021-10-19 14:41:44,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859636383] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:41:44,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:41:44,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:41:44,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683587982] [2021-10-19 14:41:44,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:41:44,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:41:44,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:41:44,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:41:44,608 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 186 [2021-10-19 14:41:44,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 141 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:41:44,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 186 [2021-10-19 14:41:44,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:41:44,631 INFO L129 PetriNetUnfolder]: 3/140 cut-off events. [2021-10-19 14:41:44,631 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:41:44,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 140 events. 3/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 81 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 100. Up to 10 conditions per place. [2021-10-19 14:41:44,632 INFO L132 encePairwiseOnDemand]: 183/186 looper letters, 9 selfloop transitions, 2 changer transitions 0/140 dead transitions. [2021-10-19 14:41:44,633 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 140 transitions, 310 flow [2021-10-19 14:41:44,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:41:44,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:41:44,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 459 transitions. [2021-10-19 14:41:44,634 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8225806451612904 [2021-10-19 14:41:44,634 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 459 transitions. [2021-10-19 14:41:44,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 459 transitions. [2021-10-19 14:41:44,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:41:44,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 459 transitions. [2021-10-19 14:41:44,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,636 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,637 INFO L186 Difference]: Start difference. First operand has 143 places, 141 transitions, 290 flow. Second operand 3 states and 459 transitions. [2021-10-19 14:41:44,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 140 transitions, 310 flow [2021-10-19 14:41:44,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 140 transitions, 306 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:41:44,639 INFO L242 Difference]: Finished difference. Result has 142 places, 140 transitions, 288 flow [2021-10-19 14:41:44,639 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=142, PETRI_TRANSITIONS=140} [2021-10-19 14:41:44,639 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, -30 predicate places. [2021-10-19 14:41:44,639 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 140 transitions, 288 flow [2021-10-19 14:41:44,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,640 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:41:44,640 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] [2021-10-19 14:41:44,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-19 14:41:44,641 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2021-10-19 14:41:44,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:41:44,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1813061132, now seen corresponding path program 1 times [2021-10-19 14:41:44,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:41:44,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342174426] [2021-10-19 14:41:44,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:41:44,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:41:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:41:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:41:44,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:41:44,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342174426] [2021-10-19 14:41:44,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342174426] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:41:44,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:41:44,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:41:44,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340246099] [2021-10-19 14:41:44,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:41:44,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:41:44,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:41:44,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:41:44,693 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 186 [2021-10-19 14:41:44,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 140 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:41:44,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 186 [2021-10-19 14:41:44,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:41:44,719 INFO L129 PetriNetUnfolder]: 7/167 cut-off events. [2021-10-19 14:41:44,719 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:41:44,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 167 events. 7/167 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 206 event pairs, 1 based on Foata normal form. 0/157 useless extension candidates. Maximal degree in co-relation 131. Up to 12 conditions per place. [2021-10-19 14:41:44,720 INFO L132 encePairwiseOnDemand]: 178/186 looper letters, 11 selfloop transitions, 5 changer transitions 0/141 dead transitions. [2021-10-19 14:41:44,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 141 transitions, 322 flow [2021-10-19 14:41:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:41:44,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:41:44,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 457 transitions. [2021-10-19 14:41:44,722 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8189964157706093 [2021-10-19 14:41:44,722 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 457 transitions. [2021-10-19 14:41:44,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 457 transitions. [2021-10-19 14:41:44,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:41:44,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 457 transitions. [2021-10-19 14:41:44,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,725 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,725 INFO L186 Difference]: Start difference. First operand has 142 places, 140 transitions, 288 flow. Second operand 3 states and 457 transitions. [2021-10-19 14:41:44,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 141 transitions, 322 flow [2021-10-19 14:41:44,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 141 transitions, 318 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:41:44,727 INFO L242 Difference]: Finished difference. Result has 141 places, 141 transitions, 314 flow [2021-10-19 14:41:44,727 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=141, PETRI_TRANSITIONS=141} [2021-10-19 14:41:44,727 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, -31 predicate places. [2021-10-19 14:41:44,727 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 141 transitions, 314 flow [2021-10-19 14:41:44,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,728 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:41:44,728 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] [2021-10-19 14:41:44,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-19 14:41:44,728 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2021-10-19 14:41:44,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:41:44,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1404956050, now seen corresponding path program 1 times [2021-10-19 14:41:44,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:41:44,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72268385] [2021-10-19 14:41:44,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:41:44,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:41:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:41:44,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:41:44,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:41:44,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72268385] [2021-10-19 14:41:44,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72268385] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:41:44,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:41:44,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:41:44,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861396529] [2021-10-19 14:41:44,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:41:44,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:41:44,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:41:44,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:41:44,755 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 186 [2021-10-19 14:41:44,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 141 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:41:44,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 186 [2021-10-19 14:41:44,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:41:44,774 INFO L129 PetriNetUnfolder]: 8/173 cut-off events. [2021-10-19 14:41:44,774 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-10-19 14:41:44,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 173 events. 8/173 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 234 event pairs, 1 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 85. Up to 10 conditions per place. [2021-10-19 14:41:44,775 INFO L132 encePairwiseOnDemand]: 182/186 looper letters, 5 selfloop transitions, 3 changer transitions 0/142 dead transitions. [2021-10-19 14:41:44,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 142 transitions, 332 flow [2021-10-19 14:41:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:41:44,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:41:44,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2021-10-19 14:41:44,776 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8440860215053764 [2021-10-19 14:41:44,776 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 471 transitions. [2021-10-19 14:41:44,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 471 transitions. [2021-10-19 14:41:44,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:41:44,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 471 transitions. [2021-10-19 14:41:44,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,779 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,779 INFO L186 Difference]: Start difference. First operand has 141 places, 141 transitions, 314 flow. Second operand 3 states and 471 transitions. [2021-10-19 14:41:44,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 142 transitions, 332 flow [2021-10-19 14:41:44,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 142 transitions, 322 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:41:44,781 INFO L242 Difference]: Finished difference. Result has 141 places, 142 transitions, 319 flow [2021-10-19 14:41:44,781 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=319, PETRI_PLACES=141, PETRI_TRANSITIONS=142} [2021-10-19 14:41:44,782 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, -31 predicate places. [2021-10-19 14:41:44,782 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 142 transitions, 319 flow [2021-10-19 14:41:44,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,782 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:41:44,782 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] [2021-10-19 14:41:44,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-19 14:41:44,782 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2021-10-19 14:41:44,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:41:44,783 INFO L82 PathProgramCache]: Analyzing trace with hash -19206710, now seen corresponding path program 1 times [2021-10-19 14:41:44,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:41:44,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549170562] [2021-10-19 14:41:44,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:41:44,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:41:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:41:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:41:44,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:41:44,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549170562] [2021-10-19 14:41:44,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549170562] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:41:44,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:41:44,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:41:44,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953589254] [2021-10-19 14:41:44,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:41:44,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:41:44,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:41:44,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:41:44,824 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 186 [2021-10-19 14:41:44,825 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 142 transitions, 319 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,825 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:41:44,825 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 186 [2021-10-19 14:41:44,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:41:44,852 INFO L129 PetriNetUnfolder]: 17/246 cut-off events. [2021-10-19 14:41:44,852 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-19 14:41:44,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 246 events. 17/246 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 600 event pairs, 4 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 116. Up to 20 conditions per place. [2021-10-19 14:41:44,855 INFO L132 encePairwiseOnDemand]: 183/186 looper letters, 7 selfloop transitions, 2 changer transitions 0/143 dead transitions. [2021-10-19 14:41:44,855 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 143 transitions, 339 flow [2021-10-19 14:41:44,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:41:44,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:41:44,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2021-10-19 14:41:44,856 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8405017921146953 [2021-10-19 14:41:44,856 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 469 transitions. [2021-10-19 14:41:44,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 469 transitions. [2021-10-19 14:41:44,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:41:44,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 469 transitions. [2021-10-19 14:41:44,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,859 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,859 INFO L186 Difference]: Start difference. First operand has 141 places, 142 transitions, 319 flow. Second operand 3 states and 469 transitions. [2021-10-19 14:41:44,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 143 transitions, 339 flow [2021-10-19 14:41:44,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 143 transitions, 336 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:41:44,862 INFO L242 Difference]: Finished difference. Result has 142 places, 142 transitions, 324 flow [2021-10-19 14:41:44,862 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=142, PETRI_TRANSITIONS=142} [2021-10-19 14:41:44,863 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, -30 predicate places. [2021-10-19 14:41:44,863 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 142 transitions, 324 flow [2021-10-19 14:41:44,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,863 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:41:44,863 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] [2021-10-19 14:41:44,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-19 14:41:44,864 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2021-10-19 14:41:44,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:41:44,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1343845085, now seen corresponding path program 1 times [2021-10-19 14:41:44,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:41:44,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227722122] [2021-10-19 14:41:44,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:41:44,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:41:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:41:44,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:41:44,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:41:44,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227722122] [2021-10-19 14:41:44,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227722122] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:41:44,897 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:41:44,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:41:44,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264763694] [2021-10-19 14:41:44,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:41:44,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:41:44,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:41:44,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:41:44,901 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 186 [2021-10-19 14:41:44,901 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 142 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,901 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:41:44,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 186 [2021-10-19 14:41:44,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:41:44,936 INFO L129 PetriNetUnfolder]: 23/338 cut-off events. [2021-10-19 14:41:44,937 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-19 14:41:44,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 338 events. 23/338 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1194 event pairs, 4 based on Foata normal form. 1/320 useless extension candidates. Maximal degree in co-relation 288. Up to 25 conditions per place. [2021-10-19 14:41:44,938 INFO L132 encePairwiseOnDemand]: 181/186 looper letters, 4 selfloop transitions, 2 changer transitions 3/141 dead transitions. [2021-10-19 14:41:44,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 141 transitions, 336 flow [2021-10-19 14:41:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:41:44,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:41:44,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 465 transitions. [2021-10-19 14:41:44,939 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2021-10-19 14:41:44,939 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 465 transitions. [2021-10-19 14:41:44,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 465 transitions. [2021-10-19 14:41:44,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:41:44,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 465 transitions. [2021-10-19 14:41:44,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,941 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,942 INFO L186 Difference]: Start difference. First operand has 142 places, 142 transitions, 324 flow. Second operand 3 states and 465 transitions. [2021-10-19 14:41:44,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 141 transitions, 336 flow [2021-10-19 14:41:44,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 141 transitions, 334 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:41:44,944 INFO L242 Difference]: Finished difference. Result has 142 places, 138 transitions, 321 flow [2021-10-19 14:41:44,945 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=321, PETRI_PLACES=142, PETRI_TRANSITIONS=138} [2021-10-19 14:41:44,945 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, -30 predicate places. [2021-10-19 14:41:44,945 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 138 transitions, 321 flow [2021-10-19 14:41:44,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:44,945 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:41:44,945 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:41:44,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-19 14:41:44,946 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2021-10-19 14:41:44,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:41:44,947 INFO L82 PathProgramCache]: Analyzing trace with hash 680328993, now seen corresponding path program 1 times [2021-10-19 14:41:44,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:41:44,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431037704] [2021-10-19 14:41:44,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:41:44,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:41:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:41:45,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:41:45,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:41:45,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431037704] [2021-10-19 14:41:45,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431037704] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:41:45,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:41:45,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:41:45,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576908498] [2021-10-19 14:41:45,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:41:45,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:41:45,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:41:45,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:41:45,050 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 186 [2021-10-19 14:41:45,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 138 transitions, 321 flow. Second operand has 6 states, 6 states have (on average 145.5) internal successors, (873), 6 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:45,050 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:41:45,050 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 186 [2021-10-19 14:41:45,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:41:45,110 INFO L129 PetriNetUnfolder]: 23/331 cut-off events. [2021-10-19 14:41:45,111 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-19 14:41:45,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 484 conditions, 331 events. 23/331 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1152 event pairs, 4 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 300. Up to 32 conditions per place. [2021-10-19 14:41:45,112 INFO L132 encePairwiseOnDemand]: 181/186 looper letters, 11 selfloop transitions, 4 changer transitions 0/137 dead transitions. [2021-10-19 14:41:45,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 137 transitions, 349 flow [2021-10-19 14:41:45,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:41:45,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:41:45,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 880 transitions. [2021-10-19 14:41:45,114 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7885304659498208 [2021-10-19 14:41:45,114 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 880 transitions. [2021-10-19 14:41:45,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 880 transitions. [2021-10-19 14:41:45,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:41:45,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 880 transitions. [2021-10-19 14:41:45,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 146.66666666666666) internal successors, (880), 6 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:45,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 186.0) internal successors, (1302), 7 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:45,119 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 186.0) internal successors, (1302), 7 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:45,119 INFO L186 Difference]: Start difference. First operand has 142 places, 138 transitions, 321 flow. Second operand 6 states and 880 transitions. [2021-10-19 14:41:45,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 137 transitions, 349 flow [2021-10-19 14:41:45,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 137 transitions, 347 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:41:45,122 INFO L242 Difference]: Finished difference. Result has 142 places, 137 transitions, 325 flow [2021-10-19 14:41:45,122 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=325, PETRI_PLACES=142, PETRI_TRANSITIONS=137} [2021-10-19 14:41:45,122 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, -30 predicate places. [2021-10-19 14:41:45,122 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 137 transitions, 325 flow [2021-10-19 14:41:45,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 145.5) internal successors, (873), 6 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:45,123 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:41:45,123 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:41:45,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-19 14:41:45,123 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2021-10-19 14:41:45,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:41:45,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1859848601, now seen corresponding path program 1 times [2021-10-19 14:41:45,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:41:45,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738734584] [2021-10-19 14:41:45,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:41:45,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:41:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:41:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:41:45,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:41:45,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738734584] [2021-10-19 14:41:45,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738734584] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:41:45,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:41:45,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:41:45,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567708192] [2021-10-19 14:41:45,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:41:45,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:41:45,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:41:45,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:41:45,204 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 186 [2021-10-19 14:41:45,205 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 137 transitions, 325 flow. Second operand has 6 states, 6 states have (on average 146.33333333333334) internal successors, (878), 6 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) [2021-10-19 14:41:45,205 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:41:45,205 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 186 [2021-10-19 14:41:45,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:41:45,247 INFO L129 PetriNetUnfolder]: 23/327 cut-off events. [2021-10-19 14:41:45,247 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-19 14:41:45,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 487 conditions, 327 events. 23/327 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1142 event pairs, 4 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 368. Up to 31 conditions per place. [2021-10-19 14:41:45,248 INFO L132 encePairwiseOnDemand]: 181/186 looper letters, 0 selfloop transitions, 0 changer transitions 136/136 dead transitions. [2021-10-19 14:41:45,248 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 136 transitions, 351 flow [2021-10-19 14:41:45,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:41:45,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-19 14:41:45,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 879 transitions. [2021-10-19 14:41:45,250 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7876344086021505 [2021-10-19 14:41:45,250 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 879 transitions. [2021-10-19 14:41:45,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 879 transitions. [2021-10-19 14:41:45,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:41:45,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 879 transitions. [2021-10-19 14:41:45,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 146.5) internal successors, (879), 6 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) [2021-10-19 14:41:45,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 186.0) internal successors, (1302), 7 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:45,253 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 186.0) internal successors, (1302), 7 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:41:45,253 INFO L186 Difference]: Start difference. First operand has 142 places, 137 transitions, 325 flow. Second operand 6 states and 879 transitions. [2021-10-19 14:41:45,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 136 transitions, 351 flow [2021-10-19 14:41:45,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 136 transitions, 344 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-10-19 14:41:45,255 INFO L242 Difference]: Finished difference. Result has 142 places, 0 transitions, 0 flow [2021-10-19 14:41:45,255 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=186, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=142, PETRI_TRANSITIONS=0} [2021-10-19 14:41:45,255 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, -30 predicate places. [2021-10-19 14:41:45,256 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 0 transitions, 0 flow [2021-10-19 14:41:45,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 146.33333333333334) internal successors, (878), 6 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) [2021-10-19 14:41:45,258 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,258 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,258 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,258 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,258 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,258 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,258 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,258 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,258 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,259 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,260 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,260 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,260 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,260 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,260 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,260 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,260 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,260 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,260 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,260 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,260 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,260 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,260 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,260 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,261 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:41:45,261 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-19 14:41:45,261 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,261 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,261 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,261 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,261 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,261 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,261 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,261 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,261 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,261 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,261 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,262 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,262 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,262 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,262 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,262 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,262 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,262 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,262 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,262 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,262 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:41:45,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-19 14:41:45,267 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:41:45,267 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:41:45,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:41:45 BasicIcfg [2021-10-19 14:41:45,268 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:41:45,269 INFO L168 Benchmark]: Toolchain (without parser) took 2432.00 ms. Allocated memory was 199.2 MB in the beginning and 268.4 MB in the end (delta: 69.2 MB). Free memory was 150.3 MB in the beginning and 212.0 MB in the end (delta: -61.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 8.0 GB. [2021-10-19 14:41:45,269 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 199.2 MB. Free memory is still 166.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:41:45,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.09 ms. Allocated memory is still 199.2 MB. Free memory was 150.1 MB in the beginning and 176.4 MB in the end (delta: -26.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 8.0 GB. [2021-10-19 14:41:45,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.45 ms. Allocated memory is still 199.2 MB. Free memory was 175.9 MB in the beginning and 173.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:41:45,270 INFO L168 Benchmark]: Boogie Preprocessor took 34.90 ms. Allocated memory is still 199.2 MB. Free memory was 173.8 MB in the beginning and 172.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:41:45,270 INFO L168 Benchmark]: RCFGBuilder took 604.40 ms. Allocated memory is still 199.2 MB. Free memory was 172.2 MB in the beginning and 141.3 MB in the end (delta: 30.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 8.0 GB. [2021-10-19 14:41:45,270 INFO L168 Benchmark]: TraceAbstraction took 1476.84 ms. Allocated memory was 199.2 MB in the beginning and 268.4 MB in the end (delta: 69.2 MB). Free memory was 140.7 MB in the beginning and 212.0 MB in the end (delta: -71.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:41:45,271 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 199.2 MB. Free memory is still 166.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 262.09 ms. Allocated memory is still 199.2 MB. Free memory was 150.1 MB in the beginning and 176.4 MB in the end (delta: -26.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 46.45 ms. Allocated memory is still 199.2 MB. Free memory was 175.9 MB in the beginning and 173.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 34.90 ms. Allocated memory is still 199.2 MB. Free memory was 173.8 MB in the beginning and 172.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 604.40 ms. Allocated memory is still 199.2 MB. Free memory was 172.2 MB in the beginning and 141.3 MB in the end (delta: 30.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1476.84 ms. Allocated memory was 199.2 MB in the beginning and 268.4 MB in the end (delta: 69.2 MB). Free memory was 140.7 MB in the beginning and 212.0 MB in the end (delta: -71.3 MB). There was no memory consumed. 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: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: 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 5 procedures, 220 locations, 59 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 6.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1362.9ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 586.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 85.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 102 SDtfs, 19 SDslu, 0 SDs, 0 SdLazy, 143 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 92.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 59.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=350occurred in iteration=0, InterpolantAutomatonStates: 42, 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: 28.4ms SsaConstructionTime, 144.2ms SatisfiabilityAnalysisTime, 344.9ms InterpolantComputationTime, 697 NumberOfCodeBlocks, 697 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 685 ConstructedInterpolants, 0 QuantifiedInterpolants, 927 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-19 14:41:45,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...