/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-misc-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 23:01:21,113 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 23:01:21,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 23:01:21,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 23:01:21,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 23:01:21,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2021-10-16 23:01:21,269 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 23:01:21,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 23:01:21,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 23:01:21,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 23:01:21,271 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 23:01:21,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 23:01:21,272 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 23:01:21,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 23:01:21,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 23:01:21,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 23:01:21,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 23:01:21,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 23:01:21,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 23:01:21,273 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 23:01:21,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 23:01:21,273 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 23:01:21,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 23:01:21,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 23:01:21,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 23:01:21,274 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 23:01:21,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 23:01:21,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:01:21,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 23:01:21,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 23:01:21,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 23:01:21,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 23:01:21,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 23:01:21,274 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 23:01:21,275 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-16 23:01:21,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 23:01:21,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 23:01:21,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 23:01:21,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 23:01:21,500 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 23:01:21,502 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 23:01:21,503 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2021-10-16 23:01:21,566 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5aa8259d/29b3332a3845420a91bac45d4ca1e1f3/FLAG806342cc4 [2021-10-16 23:01:21,908 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 23:01:21,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2021-10-16 23:01:21,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5aa8259d/29b3332a3845420a91bac45d4ca1e1f3/FLAG806342cc4 [2021-10-16 23:01:22,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5aa8259d/29b3332a3845420a91bac45d4ca1e1f3 [2021-10-16 23:01:22,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 23:01:22,342 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 23:01:22,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 23:01:22,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 23:01:22,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 23:01:22,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:01:22" (1/1) ... [2021-10-16 23:01:22,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8e1bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:22, skipping insertion in model container [2021-10-16 23:01:22,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:01:22" (1/1) ... [2021-10-16 23:01:22,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 23:01:22,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 23:01:22,557 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-misc-2.wvr.c[2428,2441] [2021-10-16 23:01:22,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:01:22,568 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 23:01:22,602 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-misc-2.wvr.c[2428,2441] [2021-10-16 23:01:22,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:01:22,616 INFO L208 MainTranslator]: Completed translation [2021-10-16 23:01:22,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:22 WrapperNode [2021-10-16 23:01:22,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 23:01:22,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 23:01:22,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 23:01:22,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 23:01:22,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:22" (1/1) ... [2021-10-16 23:01:22,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:22" (1/1) ... [2021-10-16 23:01:22,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 23:01:22,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 23:01:22,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 23:01:22,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 23:01:22,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:22" (1/1) ... [2021-10-16 23:01:22,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:22" (1/1) ... [2021-10-16 23:01:22,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:22" (1/1) ... [2021-10-16 23:01:22,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:22" (1/1) ... [2021-10-16 23:01:22,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:22" (1/1) ... [2021-10-16 23:01:22,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:22" (1/1) ... [2021-10-16 23:01:22,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:22" (1/1) ... [2021-10-16 23:01:22,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 23:01:22,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 23:01:22,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 23:01:22,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 23:01:22,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:22" (1/1) ... [2021-10-16 23:01:22,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:01:22,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 23:01:22,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 23:01:22,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 23:01:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-16 23:01:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-16 23:01:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-16 23:01:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-16 23:01:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 23:01:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 23:01:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 23:01:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-16 23:01:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-16 23:01:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 23:01:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 23:01:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 23:01:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 23:01:22,771 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 23:01:23,171 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 23:01:23,171 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-16 23:01:23,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:01:23 BoogieIcfgContainer [2021-10-16 23:01:23,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 23:01:23,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 23:01:23,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 23:01:23,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 23:01:23,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:01:22" (1/3) ... [2021-10-16 23:01:23,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9c4772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:01:23, skipping insertion in model container [2021-10-16 23:01:23,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:22" (2/3) ... [2021-10-16 23:01:23,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9c4772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:01:23, skipping insertion in model container [2021-10-16 23:01:23,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:01:23" (3/3) ... [2021-10-16 23:01:23,180 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2021-10-16 23:01:23,184 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 23:01:23,185 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-10-16 23:01:23,185 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 23:01:23,219 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,219 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,219 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,219 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,220 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,220 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,220 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,220 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,220 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,220 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,221 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,221 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,221 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,221 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,221 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,222 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,222 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,222 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,222 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,222 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,222 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,222 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,223 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,223 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,223 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,223 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,223 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,223 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,224 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,224 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,224 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,224 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,224 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,224 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,224 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,225 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,225 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,225 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,225 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,225 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,225 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,225 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,225 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,226 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,226 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,226 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,226 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,226 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,226 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,226 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,226 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,227 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,227 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,227 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,227 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,227 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,227 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,228 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,228 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,228 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,228 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,228 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,228 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,229 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,229 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,229 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,229 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,229 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,229 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,230 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,230 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,230 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,230 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,230 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,230 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,231 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,231 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,231 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,231 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,231 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,231 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,232 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,232 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,232 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,232 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,232 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,232 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,233 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,233 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,233 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,235 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,235 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,240 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,241 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,241 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,241 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,241 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,241 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,241 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,242 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,242 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,242 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,242 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,242 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,242 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,242 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,243 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,243 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,243 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,243 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,243 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,243 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,244 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,245 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,245 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,245 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,245 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,245 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,245 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,246 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,246 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,246 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,246 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,246 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,246 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,247 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,247 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,247 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,247 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,247 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,247 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,248 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,248 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,248 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,248 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,248 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,248 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,248 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,249 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,249 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,249 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,249 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,249 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,249 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,249 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,250 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,250 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,250 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,250 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,250 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,250 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,251 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,251 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,251 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,251 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,251 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,251 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,251 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,252 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,252 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,252 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,252 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,252 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,263 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,264 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,267 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,267 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,267 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,267 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,268 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,268 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,268 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,268 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,268 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,268 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,268 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,268 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,269 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,269 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,269 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,269 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,271 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,271 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,271 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,271 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,271 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,271 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,272 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,272 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,272 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,272 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,272 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,272 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,272 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,272 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:23,283 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-16 23:01:23,320 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 23:01:23,326 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 23:01:23,326 INFO L340 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2021-10-16 23:01:23,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 236 places, 239 transitions, 494 flow [2021-10-16 23:01:23,458 INFO L129 PetriNetUnfolder]: 10/237 cut-off events. [2021-10-16 23:01:23,460 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-16 23:01:23,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 246 conditions, 237 events. 10/237 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 364 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 144. Up to 2 conditions per place. [2021-10-16 23:01:23,469 INFO L82 GeneralOperation]: Start removeDead. Operand has 236 places, 239 transitions, 494 flow [2021-10-16 23:01:23,481 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 215 places, 217 transitions, 443 flow [2021-10-16 23:01:23,488 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-10-16 23:01:23,488 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:23,488 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:23,489 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] [2021-10-16 23:01:23,489 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-16 23:01:23,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:23,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1880006122, now seen corresponding path program 1 times [2021-10-16 23:01:23,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:23,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496834760] [2021-10-16 23:01:23,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:23,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:23,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:23,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496834760] [2021-10-16 23:01:23,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496834760] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:23,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:23,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:23,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982804230] [2021-10-16 23:01:23,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:23,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:23,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:23,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:23,697 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 239 [2021-10-16 23:01:23,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 217 transitions, 443 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:23,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:23,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 239 [2021-10-16 23:01:23,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:23,813 INFO L129 PetriNetUnfolder]: 29/361 cut-off events. [2021-10-16 23:01:23,813 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-16 23:01:23,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 361 events. 29/361 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1002 event pairs, 8 based on Foata normal form. 13/340 useless extension candidates. Maximal degree in co-relation 300. Up to 43 conditions per place. [2021-10-16 23:01:23,821 INFO L132 encePairwiseOnDemand]: 231/239 looper letters, 16 selfloop transitions, 2 changer transitions 1/211 dead transitions. [2021-10-16 23:01:23,821 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 211 transitions, 467 flow [2021-10-16 23:01:23,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:23,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:23,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 660 transitions. [2021-10-16 23:01:23,840 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9205020920502092 [2021-10-16 23:01:23,840 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 660 transitions. [2021-10-16 23:01:23,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 660 transitions. [2021-10-16 23:01:23,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:23,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 660 transitions. [2021-10-16 23:01:23,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:23,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:23,861 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:23,863 INFO L186 Difference]: Start difference. First operand has 215 places, 217 transitions, 443 flow. Second operand 3 states and 660 transitions. [2021-10-16 23:01:23,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 211 transitions, 467 flow [2021-10-16 23:01:23,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 211 transitions, 462 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-10-16 23:01:23,873 INFO L242 Difference]: Finished difference. Result has 211 places, 210 transitions, 428 flow [2021-10-16 23:01:23,875 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=428, PETRI_PLACES=211, PETRI_TRANSITIONS=210} [2021-10-16 23:01:23,876 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -4 predicate places. [2021-10-16 23:01:23,876 INFO L470 AbstractCegarLoop]: Abstraction has has 211 places, 210 transitions, 428 flow [2021-10-16 23:01:23,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:23,877 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:23,877 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:23,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 23:01:23,878 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-16 23:01:23,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:23,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1343433877, now seen corresponding path program 1 times [2021-10-16 23:01:23,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:23,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351468034] [2021-10-16 23:01:23,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:23,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:23,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:23,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351468034] [2021-10-16 23:01:23,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351468034] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:23,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:23,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:23,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860983938] [2021-10-16 23:01:23,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:23,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:23,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:23,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:23,943 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 239 [2021-10-16 23:01:23,944 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 210 transitions, 428 flow. Second operand has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:23,944 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:23,944 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 239 [2021-10-16 23:01:23,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:24,014 INFO L129 PetriNetUnfolder]: 6/209 cut-off events. [2021-10-16 23:01:24,014 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:24,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 209 events. 6/209 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 311 event pairs, 0 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 199. Up to 10 conditions per place. [2021-10-16 23:01:24,017 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 9 selfloop transitions, 2 changer transitions 0/209 dead transitions. [2021-10-16 23:01:24,017 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 209 transitions, 448 flow [2021-10-16 23:01:24,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:24,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:24,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 672 transitions. [2021-10-16 23:01:24,020 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9372384937238494 [2021-10-16 23:01:24,020 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 672 transitions. [2021-10-16 23:01:24,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 672 transitions. [2021-10-16 23:01:24,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:24,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 672 transitions. [2021-10-16 23:01:24,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,025 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,025 INFO L186 Difference]: Start difference. First operand has 211 places, 210 transitions, 428 flow. Second operand 3 states and 672 transitions. [2021-10-16 23:01:24,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 209 transitions, 448 flow [2021-10-16 23:01:24,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 209 transitions, 444 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:24,036 INFO L242 Difference]: Finished difference. Result has 209 places, 209 transitions, 426 flow [2021-10-16 23:01:24,037 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=426, PETRI_PLACES=209, PETRI_TRANSITIONS=209} [2021-10-16 23:01:24,038 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -6 predicate places. [2021-10-16 23:01:24,038 INFO L470 AbstractCegarLoop]: Abstraction has has 209 places, 209 transitions, 426 flow [2021-10-16 23:01:24,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,039 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:24,039 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] [2021-10-16 23:01:24,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 23:01:24,040 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-16 23:01:24,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:24,041 INFO L82 PathProgramCache]: Analyzing trace with hash -75269288, now seen corresponding path program 1 times [2021-10-16 23:01:24,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:24,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869363418] [2021-10-16 23:01:24,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:24,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:24,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:24,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:24,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869363418] [2021-10-16 23:01:24,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869363418] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:24,097 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:24,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:24,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985649017] [2021-10-16 23:01:24,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:24,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:24,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:24,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:24,101 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 239 [2021-10-16 23:01:24,102 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 209 transitions, 426 flow. Second operand has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:24,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 239 [2021-10-16 23:01:24,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:24,142 INFO L129 PetriNetUnfolder]: 6/208 cut-off events. [2021-10-16 23:01:24,142 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:24,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 208 events. 6/208 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 310 event pairs, 0 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 192. Up to 10 conditions per place. [2021-10-16 23:01:24,145 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 9 selfloop transitions, 2 changer transitions 0/208 dead transitions. [2021-10-16 23:01:24,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 208 transitions, 446 flow [2021-10-16 23:01:24,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:24,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:24,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 672 transitions. [2021-10-16 23:01:24,148 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9372384937238494 [2021-10-16 23:01:24,148 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 672 transitions. [2021-10-16 23:01:24,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 672 transitions. [2021-10-16 23:01:24,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:24,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 672 transitions. [2021-10-16 23:01:24,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,153 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,153 INFO L186 Difference]: Start difference. First operand has 209 places, 209 transitions, 426 flow. Second operand 3 states and 672 transitions. [2021-10-16 23:01:24,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 208 transitions, 446 flow [2021-10-16 23:01:24,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 208 transitions, 442 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:24,157 INFO L242 Difference]: Finished difference. Result has 208 places, 208 transitions, 424 flow [2021-10-16 23:01:24,157 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=208, PETRI_TRANSITIONS=208} [2021-10-16 23:01:24,158 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -7 predicate places. [2021-10-16 23:01:24,158 INFO L470 AbstractCegarLoop]: Abstraction has has 208 places, 208 transitions, 424 flow [2021-10-16 23:01:24,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,158 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:24,159 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] [2021-10-16 23:01:24,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 23:01:24,159 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-16 23:01:24,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:24,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1509319160, now seen corresponding path program 1 times [2021-10-16 23:01:24,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:24,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051451718] [2021-10-16 23:01:24,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:24,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:24,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:24,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:24,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051451718] [2021-10-16 23:01:24,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051451718] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:24,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:24,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:24,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818180352] [2021-10-16 23:01:24,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:24,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:24,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:24,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:24,228 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 239 [2021-10-16 23:01:24,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 208 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:24,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 239 [2021-10-16 23:01:24,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:24,273 INFO L129 PetriNetUnfolder]: 9/254 cut-off events. [2021-10-16 23:01:24,274 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:24,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 271 conditions, 254 events. 9/254 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 566 event pairs, 1 based on Foata normal form. 0/235 useless extension candidates. Maximal degree in co-relation 230. Up to 8 conditions per place. [2021-10-16 23:01:24,275 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 5 selfloop transitions, 2 changer transitions 0/207 dead transitions. [2021-10-16 23:01:24,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 207 transitions, 436 flow [2021-10-16 23:01:24,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:24,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:24,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 680 transitions. [2021-10-16 23:01:24,278 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9483960948396095 [2021-10-16 23:01:24,278 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 680 transitions. [2021-10-16 23:01:24,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 680 transitions. [2021-10-16 23:01:24,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:24,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 680 transitions. [2021-10-16 23:01:24,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,282 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,282 INFO L186 Difference]: Start difference. First operand has 208 places, 208 transitions, 424 flow. Second operand 3 states and 680 transitions. [2021-10-16 23:01:24,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 207 transitions, 436 flow [2021-10-16 23:01:24,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 207 transitions, 432 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:24,287 INFO L242 Difference]: Finished difference. Result has 207 places, 207 transitions, 422 flow [2021-10-16 23:01:24,287 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=422, PETRI_PLACES=207, PETRI_TRANSITIONS=207} [2021-10-16 23:01:24,288 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -8 predicate places. [2021-10-16 23:01:24,289 INFO L470 AbstractCegarLoop]: Abstraction has has 207 places, 207 transitions, 422 flow [2021-10-16 23:01:24,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,289 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:24,290 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] [2021-10-16 23:01:24,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 23:01:24,290 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-16 23:01:24,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:24,291 INFO L82 PathProgramCache]: Analyzing trace with hash 2097123926, now seen corresponding path program 1 times [2021-10-16 23:01:24,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:24,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960319061] [2021-10-16 23:01:24,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:24,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:24,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:24,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960319061] [2021-10-16 23:01:24,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960319061] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:24,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:24,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:24,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11538665] [2021-10-16 23:01:24,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:24,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:24,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:24,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:24,332 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 239 [2021-10-16 23:01:24,333 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 207 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 222.33333333333334) internal successors, (667), 3 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:24,333 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 239 [2021-10-16 23:01:24,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:24,365 INFO L129 PetriNetUnfolder]: 6/206 cut-off events. [2021-10-16 23:01:24,365 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:24,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 206 events. 6/206 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 306 event pairs, 0 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 177. Up to 9 conditions per place. [2021-10-16 23:01:24,367 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 8 selfloop transitions, 2 changer transitions 0/206 dead transitions. [2021-10-16 23:01:24,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 206 transitions, 440 flow [2021-10-16 23:01:24,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:24,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:24,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 674 transitions. [2021-10-16 23:01:24,369 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9400278940027894 [2021-10-16 23:01:24,369 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 674 transitions. [2021-10-16 23:01:24,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 674 transitions. [2021-10-16 23:01:24,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:24,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 674 transitions. [2021-10-16 23:01:24,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.66666666666666) internal successors, (674), 3 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,373 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,373 INFO L186 Difference]: Start difference. First operand has 207 places, 207 transitions, 422 flow. Second operand 3 states and 674 transitions. [2021-10-16 23:01:24,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 206 transitions, 440 flow [2021-10-16 23:01:24,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 206 transitions, 436 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:24,377 INFO L242 Difference]: Finished difference. Result has 206 places, 206 transitions, 420 flow [2021-10-16 23:01:24,377 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=206, PETRI_TRANSITIONS=206} [2021-10-16 23:01:24,378 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -9 predicate places. [2021-10-16 23:01:24,378 INFO L470 AbstractCegarLoop]: Abstraction has has 206 places, 206 transitions, 420 flow [2021-10-16 23:01:24,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 222.33333333333334) internal successors, (667), 3 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,378 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:24,380 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] [2021-10-16 23:01:24,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 23:01:24,381 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-16 23:01:24,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:24,382 INFO L82 PathProgramCache]: Analyzing trace with hash -114301692, now seen corresponding path program 1 times [2021-10-16 23:01:24,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:24,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860584237] [2021-10-16 23:01:24,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:24,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:24,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:24,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:24,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860584237] [2021-10-16 23:01:24,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860584237] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:24,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:24,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:24,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474311724] [2021-10-16 23:01:24,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:24,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:24,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:24,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:24,435 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 239 [2021-10-16 23:01:24,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 206 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 222.33333333333334) internal successors, (667), 3 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:24,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 239 [2021-10-16 23:01:24,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:24,470 INFO L129 PetriNetUnfolder]: 6/205 cut-off events. [2021-10-16 23:01:24,470 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:24,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 205 events. 6/205 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 304 event pairs, 0 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 170. Up to 9 conditions per place. [2021-10-16 23:01:24,471 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 8 selfloop transitions, 2 changer transitions 0/205 dead transitions. [2021-10-16 23:01:24,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 205 transitions, 438 flow [2021-10-16 23:01:24,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:24,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 674 transitions. [2021-10-16 23:01:24,473 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9400278940027894 [2021-10-16 23:01:24,473 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 674 transitions. [2021-10-16 23:01:24,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 674 transitions. [2021-10-16 23:01:24,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:24,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 674 transitions. [2021-10-16 23:01:24,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.66666666666666) internal successors, (674), 3 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,478 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,478 INFO L186 Difference]: Start difference. First operand has 206 places, 206 transitions, 420 flow. Second operand 3 states and 674 transitions. [2021-10-16 23:01:24,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 205 transitions, 438 flow [2021-10-16 23:01:24,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 205 transitions, 434 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:24,481 INFO L242 Difference]: Finished difference. Result has 205 places, 205 transitions, 418 flow [2021-10-16 23:01:24,482 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=205, PETRI_TRANSITIONS=205} [2021-10-16 23:01:24,482 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -10 predicate places. [2021-10-16 23:01:24,482 INFO L470 AbstractCegarLoop]: Abstraction has has 205 places, 205 transitions, 418 flow [2021-10-16 23:01:24,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 222.33333333333334) internal successors, (667), 3 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,483 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:24,483 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] [2021-10-16 23:01:24,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 23:01:24,483 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-16 23:01:24,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:24,484 INFO L82 PathProgramCache]: Analyzing trace with hash 389630215, now seen corresponding path program 1 times [2021-10-16 23:01:24,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:24,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238378756] [2021-10-16 23:01:24,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:24,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:24,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:24,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:24,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238378756] [2021-10-16 23:01:24,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238378756] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:24,562 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:24,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:24,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062459993] [2021-10-16 23:01:24,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:24,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:24,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:24,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:24,570 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 239 [2021-10-16 23:01:24,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 205 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:24,571 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 239 [2021-10-16 23:01:24,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:24,606 INFO L129 PetriNetUnfolder]: 6/204 cut-off events. [2021-10-16 23:01:24,606 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:24,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 204 events. 6/204 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 297 event pairs, 0 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 161. Up to 8 conditions per place. [2021-10-16 23:01:24,608 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 7 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2021-10-16 23:01:24,608 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 204 transitions, 434 flow [2021-10-16 23:01:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:24,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 673 transitions. [2021-10-16 23:01:24,610 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9386331938633193 [2021-10-16 23:01:24,610 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 673 transitions. [2021-10-16 23:01:24,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 673 transitions. [2021-10-16 23:01:24,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:24,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 673 transitions. [2021-10-16 23:01:24,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,614 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,614 INFO L186 Difference]: Start difference. First operand has 205 places, 205 transitions, 418 flow. Second operand 3 states and 673 transitions. [2021-10-16 23:01:24,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 204 transitions, 434 flow [2021-10-16 23:01:24,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 204 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:24,618 INFO L242 Difference]: Finished difference. Result has 204 places, 204 transitions, 416 flow [2021-10-16 23:01:24,618 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=204, PETRI_TRANSITIONS=204} [2021-10-16 23:01:24,618 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -11 predicate places. [2021-10-16 23:01:24,618 INFO L470 AbstractCegarLoop]: Abstraction has has 204 places, 204 transitions, 416 flow [2021-10-16 23:01:24,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,619 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:24,619 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] [2021-10-16 23:01:24,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 23:01:24,619 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-16 23:01:24,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:24,620 INFO L82 PathProgramCache]: Analyzing trace with hash -79055984, now seen corresponding path program 1 times [2021-10-16 23:01:24,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:24,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430975052] [2021-10-16 23:01:24,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:24,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:24,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:24,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:24,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430975052] [2021-10-16 23:01:24,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430975052] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:24,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:24,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:24,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741652417] [2021-10-16 23:01:24,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:24,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:24,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:24,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:24,683 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 239 [2021-10-16 23:01:24,683 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 204 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 214.66666666666666) internal successors, (644), 3 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,683 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:24,683 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 239 [2021-10-16 23:01:24,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:24,741 INFO L129 PetriNetUnfolder]: 34/388 cut-off events. [2021-10-16 23:01:24,741 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:24,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 388 events. 34/388 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1075 event pairs, 8 based on Foata normal form. 0/362 useless extension candidates. Maximal degree in co-relation 338. Up to 52 conditions per place. [2021-10-16 23:01:24,744 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 17 selfloop transitions, 5 changer transitions 0/208 dead transitions. [2021-10-16 23:01:24,744 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 208 transitions, 468 flow [2021-10-16 23:01:24,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:24,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:24,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 659 transitions. [2021-10-16 23:01:24,746 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9191073919107392 [2021-10-16 23:01:24,746 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 659 transitions. [2021-10-16 23:01:24,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 659 transitions. [2021-10-16 23:01:24,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:24,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 659 transitions. [2021-10-16 23:01:24,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,750 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,750 INFO L186 Difference]: Start difference. First operand has 204 places, 204 transitions, 416 flow. Second operand 3 states and 659 transitions. [2021-10-16 23:01:24,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 208 transitions, 468 flow [2021-10-16 23:01:24,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 208 transitions, 464 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:24,754 INFO L242 Difference]: Finished difference. Result has 206 places, 208 transitions, 450 flow [2021-10-16 23:01:24,755 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=450, PETRI_PLACES=206, PETRI_TRANSITIONS=208} [2021-10-16 23:01:24,755 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -9 predicate places. [2021-10-16 23:01:24,755 INFO L470 AbstractCegarLoop]: Abstraction has has 206 places, 208 transitions, 450 flow [2021-10-16 23:01:24,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.66666666666666) internal successors, (644), 3 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,755 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:24,755 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] [2021-10-16 23:01:24,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-16 23:01:24,756 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-16 23:01:24,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:24,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1714125807, now seen corresponding path program 1 times [2021-10-16 23:01:24,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:24,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989994059] [2021-10-16 23:01:24,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:24,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:24,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:24,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:24,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989994059] [2021-10-16 23:01:24,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989994059] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:24,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:24,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:24,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260470165] [2021-10-16 23:01:24,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:24,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:24,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:24,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:24,832 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 239 [2021-10-16 23:01:24,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 208 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 214.66666666666666) internal successors, (644), 3 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,833 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:24,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 239 [2021-10-16 23:01:24,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:24,906 INFO L129 PetriNetUnfolder]: 38/485 cut-off events. [2021-10-16 23:01:24,906 INFO L130 PetriNetUnfolder]: For 38/42 co-relation queries the response was YES. [2021-10-16 23:01:24,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 604 conditions, 485 events. 38/485 cut-off events. For 38/42 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1686 event pairs, 5 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 397. Up to 56 conditions per place. [2021-10-16 23:01:24,910 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 20 selfloop transitions, 5 changer transitions 0/212 dead transitions. [2021-10-16 23:01:24,911 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 212 transitions, 512 flow [2021-10-16 23:01:24,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:24,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:24,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 659 transitions. [2021-10-16 23:01:24,913 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9191073919107392 [2021-10-16 23:01:24,913 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 659 transitions. [2021-10-16 23:01:24,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 659 transitions. [2021-10-16 23:01:24,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:24,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 659 transitions. [2021-10-16 23:01:24,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,918 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,918 INFO L186 Difference]: Start difference. First operand has 206 places, 208 transitions, 450 flow. Second operand 3 states and 659 transitions. [2021-10-16 23:01:24,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 212 transitions, 512 flow [2021-10-16 23:01:24,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 212 transitions, 502 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:24,923 INFO L242 Difference]: Finished difference. Result has 208 places, 212 transitions, 482 flow [2021-10-16 23:01:24,924 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=208, PETRI_TRANSITIONS=212} [2021-10-16 23:01:24,924 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -7 predicate places. [2021-10-16 23:01:24,924 INFO L470 AbstractCegarLoop]: Abstraction has has 208 places, 212 transitions, 482 flow [2021-10-16 23:01:24,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.66666666666666) internal successors, (644), 3 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,924 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:24,924 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] [2021-10-16 23:01:24,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-16 23:01:24,926 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-16 23:01:24,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:24,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1279534788, now seen corresponding path program 1 times [2021-10-16 23:01:24,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:24,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205733038] [2021-10-16 23:01:24,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:24,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:24,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:24,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:24,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205733038] [2021-10-16 23:01:24,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205733038] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:24,966 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:24,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:24,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237835659] [2021-10-16 23:01:24,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:24,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:24,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:24,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:24,969 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 239 [2021-10-16 23:01:24,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 212 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:24,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:24,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 239 [2021-10-16 23:01:24,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:25,021 INFO L129 PetriNetUnfolder]: 30/435 cut-off events. [2021-10-16 23:01:25,021 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2021-10-16 23:01:25,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 553 conditions, 435 events. 30/435 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1374 event pairs, 1 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 449. Up to 29 conditions per place. [2021-10-16 23:01:25,025 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 8 selfloop transitions, 2 changer transitions 0/211 dead transitions. [2021-10-16 23:01:25,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 211 transitions, 500 flow [2021-10-16 23:01:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:25,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:25,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 671 transitions. [2021-10-16 23:01:25,027 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9358437935843794 [2021-10-16 23:01:25,027 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 671 transitions. [2021-10-16 23:01:25,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 671 transitions. [2021-10-16 23:01:25,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:25,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 671 transitions. [2021-10-16 23:01:25,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,030 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,030 INFO L186 Difference]: Start difference. First operand has 208 places, 212 transitions, 482 flow. Second operand 3 states and 671 transitions. [2021-10-16 23:01:25,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 211 transitions, 500 flow [2021-10-16 23:01:25,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 211 transitions, 486 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:25,036 INFO L242 Difference]: Finished difference. Result has 207 places, 211 transitions, 470 flow [2021-10-16 23:01:25,037 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=470, PETRI_PLACES=207, PETRI_TRANSITIONS=211} [2021-10-16 23:01:25,038 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -8 predicate places. [2021-10-16 23:01:25,038 INFO L470 AbstractCegarLoop]: Abstraction has has 207 places, 211 transitions, 470 flow [2021-10-16 23:01:25,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,039 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:25,039 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] [2021-10-16 23:01:25,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-16 23:01:25,040 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-16 23:01:25,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:25,041 INFO L82 PathProgramCache]: Analyzing trace with hash 288346518, now seen corresponding path program 1 times [2021-10-16 23:01:25,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:25,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380029824] [2021-10-16 23:01:25,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:25,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:25,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:25,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380029824] [2021-10-16 23:01:25,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380029824] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:25,077 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:25,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:25,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121281468] [2021-10-16 23:01:25,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:25,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:25,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:25,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:25,081 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 239 [2021-10-16 23:01:25,082 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 211 transitions, 470 flow. Second operand has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,082 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:25,082 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 239 [2021-10-16 23:01:25,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:25,146 INFO L129 PetriNetUnfolder]: 30/434 cut-off events. [2021-10-16 23:01:25,146 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-10-16 23:01:25,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 521 conditions, 434 events. 30/434 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1374 event pairs, 1 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 418. Up to 25 conditions per place. [2021-10-16 23:01:25,150 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 7 selfloop transitions, 2 changer transitions 0/210 dead transitions. [2021-10-16 23:01:25,150 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 210 transitions, 486 flow [2021-10-16 23:01:25,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:25,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:25,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 673 transitions. [2021-10-16 23:01:25,152 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9386331938633193 [2021-10-16 23:01:25,152 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 673 transitions. [2021-10-16 23:01:25,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 673 transitions. [2021-10-16 23:01:25,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:25,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 673 transitions. [2021-10-16 23:01:25,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,155 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,155 INFO L186 Difference]: Start difference. First operand has 207 places, 211 transitions, 470 flow. Second operand 3 states and 673 transitions. [2021-10-16 23:01:25,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 210 transitions, 486 flow [2021-10-16 23:01:25,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 210 transitions, 482 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:25,161 INFO L242 Difference]: Finished difference. Result has 206 places, 210 transitions, 468 flow [2021-10-16 23:01:25,162 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=468, PETRI_PLACES=206, PETRI_TRANSITIONS=210} [2021-10-16 23:01:25,162 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -9 predicate places. [2021-10-16 23:01:25,162 INFO L470 AbstractCegarLoop]: Abstraction has has 206 places, 210 transitions, 468 flow [2021-10-16 23:01:25,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,163 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:25,163 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, 1, 1, 1] [2021-10-16 23:01:25,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-16 23:01:25,163 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-16 23:01:25,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:25,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1802889028, now seen corresponding path program 1 times [2021-10-16 23:01:25,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:25,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61354368] [2021-10-16 23:01:25,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:25,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:25,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:25,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61354368] [2021-10-16 23:01:25,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61354368] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:25,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:25,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 23:01:25,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725731221] [2021-10-16 23:01:25,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 23:01:25,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:25,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 23:01:25,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 23:01:25,230 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 239 [2021-10-16 23:01:25,231 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 210 transitions, 468 flow. Second operand has 5 states, 5 states have (on average 217.6) internal successors, (1088), 5 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,231 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:25,231 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 239 [2021-10-16 23:01:25,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:25,312 INFO L129 PetriNetUnfolder]: 29/437 cut-off events. [2021-10-16 23:01:25,313 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-10-16 23:01:25,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 518 conditions, 437 events. 29/437 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1376 event pairs, 1 based on Foata normal form. 1/415 useless extension candidates. Maximal degree in co-relation 496. Up to 25 conditions per place. [2021-10-16 23:01:25,316 INFO L132 encePairwiseOnDemand]: 235/239 looper letters, 9 selfloop transitions, 0 changer transitions 4/213 dead transitions. [2021-10-16 23:01:25,316 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 213 transitions, 500 flow [2021-10-16 23:01:25,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 23:01:25,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-10-16 23:01:25,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1094 transitions. [2021-10-16 23:01:25,319 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9154811715481171 [2021-10-16 23:01:25,319 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1094 transitions. [2021-10-16 23:01:25,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1094 transitions. [2021-10-16 23:01:25,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:25,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1094 transitions. [2021-10-16 23:01:25,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 218.8) internal successors, (1094), 5 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,325 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,326 INFO L186 Difference]: Start difference. First operand has 206 places, 210 transitions, 468 flow. Second operand 5 states and 1094 transitions. [2021-10-16 23:01:25,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 213 transitions, 500 flow [2021-10-16 23:01:25,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 213 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:25,332 INFO L242 Difference]: Finished difference. Result has 211 places, 209 transitions, 468 flow [2021-10-16 23:01:25,332 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=468, PETRI_PLACES=211, PETRI_TRANSITIONS=209} [2021-10-16 23:01:25,332 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -4 predicate places. [2021-10-16 23:01:25,332 INFO L470 AbstractCegarLoop]: Abstraction has has 211 places, 209 transitions, 468 flow [2021-10-16 23:01:25,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 217.6) internal successors, (1088), 5 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,333 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:25,333 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, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:25,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-16 23:01:25,333 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-16 23:01:25,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:25,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1476489128, now seen corresponding path program 1 times [2021-10-16 23:01:25,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:25,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151477502] [2021-10-16 23:01:25,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:25,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:25,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 23:01:25,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:25,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151477502] [2021-10-16 23:01:25,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151477502] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:25,364 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:25,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 23:01:25,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077244581] [2021-10-16 23:01:25,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 23:01:25,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:25,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 23:01:25,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 23:01:25,367 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 239 [2021-10-16 23:01:25,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 209 transitions, 468 flow. Second operand has 4 states, 4 states have (on average 222.25) internal successors, (889), 4 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:25,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 239 [2021-10-16 23:01:25,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:25,435 INFO L129 PetriNetUnfolder]: 28/434 cut-off events. [2021-10-16 23:01:25,435 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-10-16 23:01:25,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 518 conditions, 434 events. 28/434 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1357 event pairs, 1 based on Foata normal form. 1/413 useless extension candidates. Maximal degree in co-relation 510. Up to 25 conditions per place. [2021-10-16 23:01:25,438 INFO L132 encePairwiseOnDemand]: 236/239 looper letters, 10 selfloop transitions, 0 changer transitions 2/210 dead transitions. [2021-10-16 23:01:25,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 210 transitions, 494 flow [2021-10-16 23:01:25,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 23:01:25,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-10-16 23:01:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 893 transitions. [2021-10-16 23:01:25,440 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9341004184100419 [2021-10-16 23:01:25,440 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 893 transitions. [2021-10-16 23:01:25,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 893 transitions. [2021-10-16 23:01:25,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:25,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 893 transitions. [2021-10-16 23:01:25,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 223.25) internal successors, (893), 4 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,445 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,445 INFO L186 Difference]: Start difference. First operand has 211 places, 209 transitions, 468 flow. Second operand 4 states and 893 transitions. [2021-10-16 23:01:25,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 210 transitions, 494 flow [2021-10-16 23:01:25,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 210 transitions, 488 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-10-16 23:01:25,450 INFO L242 Difference]: Finished difference. Result has 210 places, 208 transitions, 464 flow [2021-10-16 23:01:25,451 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=464, PETRI_PLACES=210, PETRI_TRANSITIONS=208} [2021-10-16 23:01:25,451 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -5 predicate places. [2021-10-16 23:01:25,451 INFO L470 AbstractCegarLoop]: Abstraction has has 210 places, 208 transitions, 464 flow [2021-10-16 23:01:25,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 222.25) internal successors, (889), 4 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:25,452 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:25,452 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:25,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-16 23:01:25,452 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-10-16 23:01:25,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:25,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1402916177, now seen corresponding path program 1 times [2021-10-16 23:01:25,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:25,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393781058] [2021-10-16 23:01:25,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:25,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:01:25,471 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 23:01:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:01:25,528 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 23:01:25,528 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 23:01:25,529 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,530 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,530 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,530 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,532 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,532 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 23:01:25,532 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-16 23:01:25,532 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,532 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,532 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,532 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,532 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,532 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,532 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:25,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-16 23:01:25,541 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 23:01:25,541 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 23:01:25,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:01:25 BasicIcfg [2021-10-16 23:01:25,632 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 23:01:25,634 INFO L168 Benchmark]: Toolchain (without parser) took 3291.19 ms. Allocated memory was 200.3 MB in the beginning and 261.1 MB in the end (delta: 60.8 MB). Free memory was 146.7 MB in the beginning and 178.3 MB in the end (delta: -31.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 8.0 GB. [2021-10-16 23:01:25,634 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 200.3 MB. Free memory is still 163.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:01:25,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.90 ms. Allocated memory is still 200.3 MB. Free memory was 146.5 MB in the beginning and 171.5 MB in the end (delta: -24.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 8.0 GB. [2021-10-16 23:01:25,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.16 ms. Allocated memory is still 200.3 MB. Free memory was 171.5 MB in the beginning and 169.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:01:25,635 INFO L168 Benchmark]: Boogie Preprocessor took 42.52 ms. Allocated memory is still 200.3 MB. Free memory was 169.9 MB in the beginning and 168.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-16 23:01:25,635 INFO L168 Benchmark]: RCFGBuilder took 462.46 ms. Allocated memory is still 200.3 MB. Free memory was 168.3 MB in the beginning and 148.4 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-10-16 23:01:25,636 INFO L168 Benchmark]: TraceAbstraction took 2457.26 ms. Allocated memory was 200.3 MB in the beginning and 261.1 MB in the end (delta: 60.8 MB). Free memory was 148.4 MB in the beginning and 178.3 MB in the end (delta: -29.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 8.0 GB. [2021-10-16 23:01:25,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 200.3 MB. Free memory is still 163.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 269.90 ms. Allocated memory is still 200.3 MB. Free memory was 146.5 MB in the beginning and 171.5 MB in the end (delta: -24.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 49.16 ms. Allocated memory is still 200.3 MB. Free memory was 171.5 MB in the beginning and 169.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 42.52 ms. Allocated memory is still 200.3 MB. Free memory was 169.9 MB in the beginning and 168.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 462.46 ms. Allocated memory is still 200.3 MB. Free memory was 168.3 MB in the beginning and 148.4 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2457.26 ms. Allocated memory was 200.3 MB in the beginning and 261.1 MB in the end (delta: 60.8 MB). Free memory was 148.4 MB in the beginning and 178.3 MB in the end (delta: -29.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 63]: the program contains a data race the program contains a data race We found a FailurePath: [L38] 0 unsigned int pos, i1, i2, N; VAL [i1=0, i2=0, N=0, pos=0] [L39] 0 _Bool d1, d2; VAL [d1=0, d2=0, i1=0, i2=0, N=0, pos=0] [L78] 0 pthread_t t1, t2; VAL [d1=0, d2=0, i1=0, i2=0, N=0, pos=0] [L81] 0 pos = __VERIFIER_nondet_uint() VAL [d1=0, d2=0, i1=0, i2=0, N=0, pos=4294967296] [L82] 0 i1 = __VERIFIER_nondet_uint() VAL [d1=0, d2=0, i1=-4294967296, i2=0, N=0, pos=4294967296] [L83] 0 i2 = __VERIFIER_nondet_uint() VAL [d1=0, d2=0, i1=-4294967296, i2=8589934592, N=0, pos=4294967296] [L84] 0 N = __VERIFIER_nondet_uint() VAL [d1=0, d2=0, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967296] [L85] 0 d1 = __VERIFIER_nondet_bool() VAL [d1=256, d2=0, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967296] [L86] 0 d2 = __VERIFIER_nondet_bool() VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967296] [L89] EXPR 0 pos == i1 && pos == i2 VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967296] [L89] EXPR 0 pos == i1 && pos == i2 VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967296] [L89] 0 pos == i1 && pos == i2 && pos == 0 VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967296] [L89] 0 pos == i1 && pos == i2 && pos == 0 VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967296] [L35] COND FALSE 0 !(!cond) VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967296] [L91] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967296] [L92] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967296] [L61] COND TRUE 2 ( i2 < ( 2 * N ) ) VAL [2 * N=8589934597, d1=256, d2=257, i1=-4294967296, i2=8589934592, i2 < ( 2 * N )=8589934601, N=2147483649, pos=4294967296] [L62] 2 \read(d2) VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967296] [L62] 2 \read(d2) VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967296] [L62] COND TRUE 2 \read(d2) VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967296] [L62] 2 \read(d2) VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967296] [L63] 2 pos = ( pos + 2 ) VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967298, pos + 2=8589934608, pos = ( pos + 2 )=8589934604] [L42] COND TRUE 1 ( i1 < ( 2 * N ) ) VAL [2 * N=8589934606, d1=256, d2=257, i1=-4294967296, i1 < ( 2 * N )=8589934598, i2=8589934592, N=2147483649, pos=4294967298, pos + 2=8589934608, pos = ( pos + 2 )=8589934604] [L43] 1 \read(d1) VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967298, pos + 2=8589934608, pos = ( pos + 2 )=8589934604] [L43] 1 \read(d1) VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967298, pos + 2=8589934608, pos = ( pos + 2 )=8589934604] [L43] COND FALSE 1 !(\read(d1)) VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967298, pos + 2=8589934608, pos = ( pos + 2 )=8589934604] [L43] 1 \read(d1) VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967298, pos + 2=8589934608, pos = ( pos + 2 )=8589934604] [L63] 2 pos = ( pos + 2 ) VAL [d1=256, d2=257, i1=-4294967296, i2=8589934592, N=2147483649, pos=4294967297, pos + 2=8589934608, pos = ( pos + 2 )=8589934604] - UnprovableResult [Line: 45]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 328 locations, 24 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 7.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2218.5ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1063.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 154.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 142 SDtfs, 16 SDslu, 26 SDs, 0 SdLazy, 151 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 122.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 50.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=482occurred in iteration=9, 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: 48.8ms SsaConstructionTime, 226.6ms SatisfiabilityAnalysisTime, 432.2ms InterpolantComputationTime, 1062 NumberOfCodeBlocks, 1062 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 930 ConstructedInterpolants, 0 QuantifiedInterpolants, 961 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-16 23:01:25,673 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...