/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 23:01:32,834 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 23:01:32,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 23:01:32,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 23:01:32,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 23:01:32,905 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 23:01:32,923 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 23:01:32,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 23:01:32,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 23:01:32,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 23:01:32,924 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 23:01:32,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 23:01:32,924 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 23:01:32,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 23:01:32,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 23:01:32,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 23:01:32,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 23:01:32,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 23:01:32,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 23:01:32,925 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 23:01:32,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 23:01:32,925 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 23:01:32,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 23:01:32,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 23:01:32,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 23:01:32,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 23:01:32,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 23:01:32,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:01:32,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 23:01:32,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 23:01:32,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 23:01:32,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 23:01:32,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 23:01:32,926 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 23:01:32,926 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-16 23:01:32,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 23:01:33,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 23:01:33,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 23:01:33,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 23:01:33,132 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 23:01:33,132 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 23:01:33,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c [2021-10-16 23:01:33,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8478b3c31/3c7f0f54bf84456fadddcdc98596598a/FLAG7232a1d8f [2021-10-16 23:01:33,548 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 23:01:33,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c [2021-10-16 23:01:33,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8478b3c31/3c7f0f54bf84456fadddcdc98596598a/FLAG7232a1d8f [2021-10-16 23:01:33,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8478b3c31/3c7f0f54bf84456fadddcdc98596598a [2021-10-16 23:01:33,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 23:01:33,979 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 23:01:33,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 23:01:33,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 23:01:33,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 23:01:33,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:01:33" (1/1) ... [2021-10-16 23:01:33,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@281e0d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:33, skipping insertion in model container [2021-10-16 23:01:33,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:01:33" (1/1) ... [2021-10-16 23:01:33,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 23:01:33,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 23:01:34,119 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c[2529,2542] [2021-10-16 23:01:34,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:01:34,125 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 23:01:34,141 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c[2529,2542] [2021-10-16 23:01:34,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 23:01:34,153 INFO L208 MainTranslator]: Completed translation [2021-10-16 23:01:34,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:34 WrapperNode [2021-10-16 23:01:34,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 23:01:34,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 23:01:34,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 23:01:34,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 23:01:34,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:34" (1/1) ... [2021-10-16 23:01:34,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:34" (1/1) ... [2021-10-16 23:01:34,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 23:01:34,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 23:01:34,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 23:01:34,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 23:01:34,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:34" (1/1) ... [2021-10-16 23:01:34,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:34" (1/1) ... [2021-10-16 23:01:34,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:34" (1/1) ... [2021-10-16 23:01:34,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:34" (1/1) ... [2021-10-16 23:01:34,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:34" (1/1) ... [2021-10-16 23:01:34,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:34" (1/1) ... [2021-10-16 23:01:34,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:34" (1/1) ... [2021-10-16 23:01:34,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 23:01:34,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 23:01:34,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 23:01:34,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 23:01:34,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:34" (1/1) ... [2021-10-16 23:01:34,222 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 23:01:34,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 23:01:34,241 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 23:01:34,258 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 23:01:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-16 23:01:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-16 23:01:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-16 23:01:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-16 23:01:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-16 23:01:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-16 23:01:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 23:01:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 23:01:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 23:01:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-16 23:01:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-16 23:01:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 23:01:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 23:01:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 23:01:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 23:01:34,279 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 23:01:34,863 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 23:01:34,864 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-16 23:01:34,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:01:34 BoogieIcfgContainer [2021-10-16 23:01:34,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 23:01:34,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 23:01:34,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 23:01:34,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 23:01:34,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:01:33" (1/3) ... [2021-10-16 23:01:34,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d10e672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:01:34, skipping insertion in model container [2021-10-16 23:01:34,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:01:34" (2/3) ... [2021-10-16 23:01:34,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d10e672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:01:34, skipping insertion in model container [2021-10-16 23:01:34,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:01:34" (3/3) ... [2021-10-16 23:01:34,883 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-ticket-3.wvr.c [2021-10-16 23:01:34,886 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 23:01:34,887 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2021-10-16 23:01:34,887 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 23:01:34,923 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,925 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,925 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,925 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,925 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,925 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,925 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,925 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,925 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,926 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,927 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,927 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,927 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,927 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,927 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,927 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,927 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,928 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,928 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,928 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,928 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,929 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,929 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,929 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,930 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,930 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,930 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,931 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,931 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,931 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,931 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,931 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,931 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,931 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,931 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,932 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,932 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,932 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,932 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,932 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,932 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,932 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,932 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,932 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,933 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,933 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,933 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,933 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,933 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,933 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,933 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,934 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,934 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,934 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,934 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,935 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,935 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,935 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,935 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,935 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,936 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,936 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,936 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,936 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,936 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,936 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,936 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,936 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,936 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,937 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,937 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,937 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,937 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,937 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,937 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,937 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,938 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,938 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,938 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,938 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,938 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,938 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,938 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,938 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,938 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,938 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,939 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,943 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,943 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,945 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,945 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,945 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,949 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,950 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,950 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,950 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,950 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,950 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,950 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,950 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,950 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,950 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,950 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,951 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,951 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,951 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,951 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,951 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,951 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,951 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,951 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,951 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,952 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,952 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,952 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,952 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,952 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,952 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,952 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,952 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,952 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,952 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,953 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,953 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,953 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,953 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,953 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,953 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,953 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,953 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,953 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,953 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,953 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,954 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,954 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,954 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,954 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,955 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,955 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,955 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,955 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,955 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,955 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,955 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,955 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,955 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,956 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,956 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,956 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,956 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,957 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,957 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,957 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,957 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,957 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,957 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,957 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,957 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,957 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,957 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,958 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,958 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,958 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,958 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,958 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,958 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,958 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,958 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,958 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,958 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,958 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,960 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,960 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,960 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,960 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,960 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,960 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,960 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,960 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,960 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,960 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,961 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,961 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,961 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,961 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,961 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,962 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,962 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,962 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,962 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,962 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,962 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,962 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,962 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,962 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,962 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,962 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,962 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,963 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,963 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,963 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,963 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,963 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,963 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,964 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,965 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,965 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,965 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,965 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,966 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,966 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,966 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,966 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,966 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,966 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,966 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,966 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,966 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,966 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,966 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,967 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,967 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,967 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,967 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,967 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,967 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,967 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,967 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,967 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,967 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,967 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,968 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,968 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,968 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,968 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,968 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,968 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,968 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,968 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,968 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,968 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,968 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,969 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,969 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,969 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,969 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,969 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,969 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,969 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,969 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,969 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,969 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,969 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,970 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,970 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,970 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,970 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,970 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,970 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,970 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,970 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,970 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,970 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,970 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,971 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,972 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,972 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,972 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,972 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,972 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,972 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,972 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,972 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,972 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,972 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,972 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,973 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,973 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,973 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,973 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,973 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,978 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,979 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,979 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,979 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,979 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,979 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,979 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,979 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,980 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,980 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,980 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,980 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,980 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,980 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,980 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,980 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,980 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,980 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,982 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,982 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,983 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,983 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,983 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,983 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,983 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,983 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,983 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,983 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,983 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,983 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,983 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,984 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,984 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,984 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,984 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,984 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,986 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,986 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,986 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,986 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,986 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,986 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,986 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,987 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,987 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,987 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,987 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,987 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,987 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,987 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,988 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,988 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 23:01:34,993 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-16 23:01:35,026 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 23:01:35,034 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 23:01:35,034 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-10-16 23:01:35,073 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 310 places, 310 transitions, 644 flow [2021-10-16 23:01:35,142 INFO L129 PetriNetUnfolder]: 10/307 cut-off events. [2021-10-16 23:01:35,142 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-16 23:01:35,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 307 events. 10/307 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 427 event pairs, 0 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2021-10-16 23:01:35,157 INFO L82 GeneralOperation]: Start removeDead. Operand has 310 places, 310 transitions, 644 flow [2021-10-16 23:01:35,166 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 286 places, 285 transitions, 585 flow [2021-10-16 23:01:35,170 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-10-16 23:01:35,171 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:35,171 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:35,171 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] [2021-10-16 23:01:35,172 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:35,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:35,177 INFO L82 PathProgramCache]: Analyzing trace with hash -854500239, now seen corresponding path program 1 times [2021-10-16 23:01:35,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:35,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403526883] [2021-10-16 23:01:35,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:35,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:35,346 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 23:01:35,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:35,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403526883] [2021-10-16 23:01:35,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403526883] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:35,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:35,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:35,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737907779] [2021-10-16 23:01:35,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:35,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:35,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:35,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:35,369 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 310 [2021-10-16 23:01:35,375 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 285 transitions, 585 flow. Second operand has 3 states, 3 states have (on average 291.3333333333333) internal successors, (874), 3 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:35,375 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:35,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 310 [2021-10-16 23:01:35,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:35,460 INFO L129 PetriNetUnfolder]: 5/274 cut-off events. [2021-10-16 23:01:35,461 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-16 23:01:35,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 274 events. 5/274 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 390 event pairs, 0 based on Foata normal form. 6/258 useless extension candidates. Maximal degree in co-relation 216. Up to 6 conditions per place. [2021-10-16 23:01:35,466 INFO L132 encePairwiseOnDemand]: 297/310 looper letters, 5 selfloop transitions, 2 changer transitions 1/274 dead transitions. [2021-10-16 23:01:35,466 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 274 transitions, 577 flow [2021-10-16 23:01:35,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:35,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:35,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 888 transitions. [2021-10-16 23:01:35,481 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9548387096774194 [2021-10-16 23:01:35,482 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 888 transitions. [2021-10-16 23:01:35,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 888 transitions. [2021-10-16 23:01:35,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:35,486 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 888 transitions. [2021-10-16 23:01:35,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:35,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:35,498 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:35,499 INFO L186 Difference]: Start difference. First operand has 286 places, 285 transitions, 585 flow. Second operand 3 states and 888 transitions. [2021-10-16 23:01:35,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 274 transitions, 577 flow [2021-10-16 23:01:35,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 274 transitions, 568 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-10-16 23:01:35,510 INFO L242 Difference]: Finished difference. Result has 276 places, 273 transitions, 556 flow [2021-10-16 23:01:35,512 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=556, PETRI_PLACES=276, PETRI_TRANSITIONS=273} [2021-10-16 23:01:35,512 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, -10 predicate places. [2021-10-16 23:01:35,513 INFO L470 AbstractCegarLoop]: Abstraction has has 276 places, 273 transitions, 556 flow [2021-10-16 23:01:35,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 291.3333333333333) internal successors, (874), 3 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:35,513 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:35,514 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] [2021-10-16 23:01:35,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 23:01:35,514 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:35,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:35,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1696057747, now seen corresponding path program 1 times [2021-10-16 23:01:35,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:35,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531162846] [2021-10-16 23:01:35,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:35,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:35,571 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 23:01:35,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:35,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531162846] [2021-10-16 23:01:35,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531162846] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:35,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:35,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:35,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255762816] [2021-10-16 23:01:35,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:35,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:35,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:35,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:35,575 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 310 [2021-10-16 23:01:35,576 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 273 transitions, 556 flow. Second operand has 3 states, 3 states have (on average 291.3333333333333) internal successors, (874), 3 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:35,576 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:35,576 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 310 [2021-10-16 23:01:35,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:35,610 INFO L129 PetriNetUnfolder]: 5/272 cut-off events. [2021-10-16 23:01:35,611 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:35,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 272 events. 5/272 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 387 event pairs, 0 based on Foata normal form. 0/252 useless extension candidates. Maximal degree in co-relation 256. Up to 6 conditions per place. [2021-10-16 23:01:35,612 INFO L132 encePairwiseOnDemand]: 307/310 looper letters, 5 selfloop transitions, 2 changer transitions 0/272 dead transitions. [2021-10-16 23:01:35,612 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 272 transitions, 568 flow [2021-10-16 23:01:35,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:35,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:35,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 878 transitions. [2021-10-16 23:01:35,614 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9440860215053763 [2021-10-16 23:01:35,614 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 878 transitions. [2021-10-16 23:01:35,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 878 transitions. [2021-10-16 23:01:35,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:35,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 878 transitions. [2021-10-16 23:01:35,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 292.6666666666667) internal successors, (878), 3 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:35,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:35,618 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:35,618 INFO L186 Difference]: Start difference. First operand has 276 places, 273 transitions, 556 flow. Second operand 3 states and 878 transitions. [2021-10-16 23:01:35,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 272 transitions, 568 flow [2021-10-16 23:01:35,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 272 transitions, 564 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:35,624 INFO L242 Difference]: Finished difference. Result has 274 places, 272 transitions, 554 flow [2021-10-16 23:01:35,624 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=554, PETRI_PLACES=274, PETRI_TRANSITIONS=272} [2021-10-16 23:01:35,625 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, -12 predicate places. [2021-10-16 23:01:35,625 INFO L470 AbstractCegarLoop]: Abstraction has has 274 places, 272 transitions, 554 flow [2021-10-16 23:01:35,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 291.3333333333333) internal successors, (874), 3 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:35,626 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:35,626 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] [2021-10-16 23:01:35,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 23:01:35,626 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:35,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:35,628 INFO L82 PathProgramCache]: Analyzing trace with hash 2016158898, now seen corresponding path program 1 times [2021-10-16 23:01:35,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:35,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585231156] [2021-10-16 23:01:35,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:35,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:35,687 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 23:01:35,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:35,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585231156] [2021-10-16 23:01:35,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585231156] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:35,688 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:35,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:35,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921049293] [2021-10-16 23:01:35,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:35,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:35,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:35,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:35,690 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 310 [2021-10-16 23:01:35,691 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 272 transitions, 554 flow. Second operand has 3 states, 3 states have (on average 291.3333333333333) internal successors, (874), 3 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:35,691 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:35,691 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 310 [2021-10-16 23:01:35,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:35,732 INFO L129 PetriNetUnfolder]: 5/271 cut-off events. [2021-10-16 23:01:35,732 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:35,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 271 events. 5/271 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 386 event pairs, 0 based on Foata normal form. 0/252 useless extension candidates. Maximal degree in co-relation 248. Up to 6 conditions per place. [2021-10-16 23:01:35,734 INFO L132 encePairwiseOnDemand]: 307/310 looper letters, 5 selfloop transitions, 2 changer transitions 0/271 dead transitions. [2021-10-16 23:01:35,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 271 transitions, 566 flow [2021-10-16 23:01:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:35,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:35,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 878 transitions. [2021-10-16 23:01:35,736 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9440860215053763 [2021-10-16 23:01:35,736 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 878 transitions. [2021-10-16 23:01:35,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 878 transitions. [2021-10-16 23:01:35,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:35,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 878 transitions. [2021-10-16 23:01:35,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 292.6666666666667) internal successors, (878), 3 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:35,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:35,739 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:35,739 INFO L186 Difference]: Start difference. First operand has 274 places, 272 transitions, 554 flow. Second operand 3 states and 878 transitions. [2021-10-16 23:01:35,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 271 transitions, 566 flow [2021-10-16 23:01:35,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 271 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:35,743 INFO L242 Difference]: Finished difference. Result has 273 places, 271 transitions, 552 flow [2021-10-16 23:01:35,743 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=552, PETRI_PLACES=273, PETRI_TRANSITIONS=271} [2021-10-16 23:01:35,743 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, -13 predicate places. [2021-10-16 23:01:35,743 INFO L470 AbstractCegarLoop]: Abstraction has has 273 places, 271 transitions, 552 flow [2021-10-16 23:01:35,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 291.3333333333333) internal successors, (874), 3 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:35,744 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:35,744 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 23:01:35,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 23:01:35,745 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:35,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:35,745 INFO L82 PathProgramCache]: Analyzing trace with hash -967937530, now seen corresponding path program 1 times [2021-10-16 23:01:35,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:35,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806615892] [2021-10-16 23:01:35,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:35,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:35,791 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 23:01:35,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:35,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806615892] [2021-10-16 23:01:35,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806615892] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:35,792 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:35,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:35,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858159188] [2021-10-16 23:01:35,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:35,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:35,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:35,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:35,795 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 310 [2021-10-16 23:01:35,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 271 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 275.3333333333333) internal successors, (826), 3 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:35,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:35,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 310 [2021-10-16 23:01:35,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:36,047 INFO L129 PetriNetUnfolder]: 342/1796 cut-off events. [2021-10-16 23:01:36,047 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:36,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2353 conditions, 1796 events. 342/1796 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 12965 event pairs, 325 based on Foata normal form. 0/1562 useless extension candidates. Maximal degree in co-relation 2307. Up to 547 conditions per place. [2021-10-16 23:01:36,067 INFO L132 encePairwiseOnDemand]: 307/310 looper letters, 21 selfloop transitions, 2 changer transitions 0/270 dead transitions. [2021-10-16 23:01:36,068 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 270 transitions, 596 flow [2021-10-16 23:01:36,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:36,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:36,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 846 transitions. [2021-10-16 23:01:36,070 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9096774193548387 [2021-10-16 23:01:36,070 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 846 transitions. [2021-10-16 23:01:36,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 846 transitions. [2021-10-16 23:01:36,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:36,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 846 transitions. [2021-10-16 23:01:36,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,074 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,074 INFO L186 Difference]: Start difference. First operand has 273 places, 271 transitions, 552 flow. Second operand 3 states and 846 transitions. [2021-10-16 23:01:36,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 270 transitions, 596 flow [2021-10-16 23:01:36,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 270 transitions, 592 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:36,084 INFO L242 Difference]: Finished difference. Result has 272 places, 270 transitions, 550 flow [2021-10-16 23:01:36,085 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=550, PETRI_PLACES=272, PETRI_TRANSITIONS=270} [2021-10-16 23:01:36,085 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, -14 predicate places. [2021-10-16 23:01:36,085 INFO L470 AbstractCegarLoop]: Abstraction has has 272 places, 270 transitions, 550 flow [2021-10-16 23:01:36,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 275.3333333333333) internal successors, (826), 3 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,086 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:36,086 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] [2021-10-16 23:01:36,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 23:01:36,086 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:36,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:36,087 INFO L82 PathProgramCache]: Analyzing trace with hash -343861090, now seen corresponding path program 1 times [2021-10-16 23:01:36,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:36,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125940001] [2021-10-16 23:01:36,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:36,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:36,142 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 23:01:36,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:36,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125940001] [2021-10-16 23:01:36,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125940001] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:36,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:36,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:36,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50489656] [2021-10-16 23:01:36,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:36,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:36,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:36,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:36,145 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 310 [2021-10-16 23:01:36,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 270 transitions, 550 flow. Second operand has 3 states, 3 states have (on average 289.3333333333333) internal successors, (868), 3 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:36,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 310 [2021-10-16 23:01:36,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:36,194 INFO L129 PetriNetUnfolder]: 12/459 cut-off events. [2021-10-16 23:01:36,194 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:36,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 459 events. 12/459 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1521 event pairs, 5 based on Foata normal form. 0/422 useless extension candidates. Maximal degree in co-relation 433. Up to 17 conditions per place. [2021-10-16 23:01:36,198 INFO L132 encePairwiseOnDemand]: 307/310 looper letters, 7 selfloop transitions, 2 changer transitions 0/269 dead transitions. [2021-10-16 23:01:36,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 269 transitions, 566 flow [2021-10-16 23:01:36,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:36,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 874 transitions. [2021-10-16 23:01:36,200 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9397849462365592 [2021-10-16 23:01:36,200 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 874 transitions. [2021-10-16 23:01:36,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 874 transitions. [2021-10-16 23:01:36,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:36,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 874 transitions. [2021-10-16 23:01:36,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 291.3333333333333) internal successors, (874), 3 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,204 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,204 INFO L186 Difference]: Start difference. First operand has 272 places, 270 transitions, 550 flow. Second operand 3 states and 874 transitions. [2021-10-16 23:01:36,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 269 transitions, 566 flow [2021-10-16 23:01:36,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 269 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:36,207 INFO L242 Difference]: Finished difference. Result has 271 places, 269 transitions, 548 flow [2021-10-16 23:01:36,208 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=548, PETRI_PLACES=271, PETRI_TRANSITIONS=269} [2021-10-16 23:01:36,208 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, -15 predicate places. [2021-10-16 23:01:36,208 INFO L470 AbstractCegarLoop]: Abstraction has has 271 places, 269 transitions, 548 flow [2021-10-16 23:01:36,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 289.3333333333333) internal successors, (868), 3 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,208 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:36,209 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:36,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 23:01:36,210 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:36,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:36,210 INFO L82 PathProgramCache]: Analyzing trace with hash 493948279, now seen corresponding path program 1 times [2021-10-16 23:01:36,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:36,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618145699] [2021-10-16 23:01:36,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:36,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:36,250 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 23:01:36,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:36,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618145699] [2021-10-16 23:01:36,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618145699] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:36,251 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:36,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:36,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408331481] [2021-10-16 23:01:36,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:36,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:36,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:36,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:36,252 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 310 [2021-10-16 23:01:36,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 269 transitions, 548 flow. Second operand has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:36,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 310 [2021-10-16 23:01:36,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:36,313 INFO L129 PetriNetUnfolder]: 31/535 cut-off events. [2021-10-16 23:01:36,313 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:36,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 535 events. 31/535 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2230 event pairs, 25 based on Foata normal form. 0/484 useless extension candidates. Maximal degree in co-relation 542. Up to 57 conditions per place. [2021-10-16 23:01:36,318 INFO L132 encePairwiseOnDemand]: 307/310 looper letters, 12 selfloop transitions, 2 changer transitions 0/268 dead transitions. [2021-10-16 23:01:36,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 268 transitions, 574 flow [2021-10-16 23:01:36,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:36,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 864 transitions. [2021-10-16 23:01:36,320 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9290322580645162 [2021-10-16 23:01:36,320 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 864 transitions. [2021-10-16 23:01:36,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 864 transitions. [2021-10-16 23:01:36,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:36,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 864 transitions. [2021-10-16 23:01:36,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 288.0) internal successors, (864), 3 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,324 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,324 INFO L186 Difference]: Start difference. First operand has 271 places, 269 transitions, 548 flow. Second operand 3 states and 864 transitions. [2021-10-16 23:01:36,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 268 transitions, 574 flow [2021-10-16 23:01:36,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 268 transitions, 570 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:36,328 INFO L242 Difference]: Finished difference. Result has 270 places, 268 transitions, 546 flow [2021-10-16 23:01:36,329 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=546, PETRI_PLACES=270, PETRI_TRANSITIONS=268} [2021-10-16 23:01:36,329 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, -16 predicate places. [2021-10-16 23:01:36,329 INFO L470 AbstractCegarLoop]: Abstraction has has 270 places, 268 transitions, 546 flow [2021-10-16 23:01:36,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,330 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:36,330 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] [2021-10-16 23:01:36,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 23:01:36,330 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:36,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:36,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1815615258, now seen corresponding path program 1 times [2021-10-16 23:01:36,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:36,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495446410] [2021-10-16 23:01:36,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:36,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:36,372 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 23:01:36,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:36,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495446410] [2021-10-16 23:01:36,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495446410] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:36,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:36,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:36,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42364588] [2021-10-16 23:01:36,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:36,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:36,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:36,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:36,378 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 310 [2021-10-16 23:01:36,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 268 transitions, 546 flow. Second operand has 3 states, 3 states have (on average 283.3333333333333) internal successors, (850), 3 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,378 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:36,378 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 310 [2021-10-16 23:01:36,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:36,442 INFO L129 PetriNetUnfolder]: 23/435 cut-off events. [2021-10-16 23:01:36,442 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:36,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 490 conditions, 435 events. 23/435 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1348 event pairs, 16 based on Foata normal form. 0/399 useless extension candidates. Maximal degree in co-relation 423. Up to 45 conditions per place. [2021-10-16 23:01:36,447 INFO L132 encePairwiseOnDemand]: 307/310 looper letters, 12 selfloop transitions, 2 changer transitions 0/267 dead transitions. [2021-10-16 23:01:36,447 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 267 transitions, 572 flow [2021-10-16 23:01:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:36,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 861 transitions. [2021-10-16 23:01:36,449 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9258064516129032 [2021-10-16 23:01:36,449 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 861 transitions. [2021-10-16 23:01:36,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 861 transitions. [2021-10-16 23:01:36,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:36,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 861 transitions. [2021-10-16 23:01:36,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 287.0) internal successors, (861), 3 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,454 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,454 INFO L186 Difference]: Start difference. First operand has 270 places, 268 transitions, 546 flow. Second operand 3 states and 861 transitions. [2021-10-16 23:01:36,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 267 transitions, 572 flow [2021-10-16 23:01:36,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 267 transitions, 568 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:36,460 INFO L242 Difference]: Finished difference. Result has 269 places, 267 transitions, 544 flow [2021-10-16 23:01:36,461 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=544, PETRI_PLACES=269, PETRI_TRANSITIONS=267} [2021-10-16 23:01:36,461 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, -17 predicate places. [2021-10-16 23:01:36,461 INFO L470 AbstractCegarLoop]: Abstraction has has 269 places, 267 transitions, 544 flow [2021-10-16 23:01:36,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 283.3333333333333) internal successors, (850), 3 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,462 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:36,462 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] [2021-10-16 23:01:36,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 23:01:36,462 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:36,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:36,462 INFO L82 PathProgramCache]: Analyzing trace with hash -933334891, now seen corresponding path program 1 times [2021-10-16 23:01:36,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:36,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232706583] [2021-10-16 23:01:36,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:36,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:36,512 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 23:01:36,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:36,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232706583] [2021-10-16 23:01:36,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232706583] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:36,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:36,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:36,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427735770] [2021-10-16 23:01:36,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:36,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:36,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:36,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:36,514 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 310 [2021-10-16 23:01:36,515 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 267 transitions, 544 flow. Second operand has 3 states, 3 states have (on average 285.0) internal successors, (855), 3 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,515 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:36,515 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 310 [2021-10-16 23:01:36,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:36,616 INFO L129 PetriNetUnfolder]: 41/668 cut-off events. [2021-10-16 23:01:36,616 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-16 23:01:36,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 756 conditions, 668 events. 41/668 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3207 event pairs, 24 based on Foata normal form. 0/609 useless extension candidates. Maximal degree in co-relation 682. Up to 69 conditions per place. [2021-10-16 23:01:36,623 INFO L132 encePairwiseOnDemand]: 304/310 looper letters, 13 selfloop transitions, 5 changer transitions 0/271 dead transitions. [2021-10-16 23:01:36,623 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 271 transitions, 588 flow [2021-10-16 23:01:36,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:36,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:36,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 868 transitions. [2021-10-16 23:01:36,625 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9333333333333333 [2021-10-16 23:01:36,625 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 868 transitions. [2021-10-16 23:01:36,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 868 transitions. [2021-10-16 23:01:36,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:36,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 868 transitions. [2021-10-16 23:01:36,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 289.3333333333333) internal successors, (868), 3 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,628 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,628 INFO L186 Difference]: Start difference. First operand has 269 places, 267 transitions, 544 flow. Second operand 3 states and 868 transitions. [2021-10-16 23:01:36,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 271 transitions, 588 flow [2021-10-16 23:01:36,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 271 transitions, 584 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:36,632 INFO L242 Difference]: Finished difference. Result has 271 places, 271 transitions, 578 flow [2021-10-16 23:01:36,632 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=267, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=578, PETRI_PLACES=271, PETRI_TRANSITIONS=271} [2021-10-16 23:01:36,632 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, -15 predicate places. [2021-10-16 23:01:36,633 INFO L470 AbstractCegarLoop]: Abstraction has has 271 places, 271 transitions, 578 flow [2021-10-16 23:01:36,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 285.0) internal successors, (855), 3 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,633 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:36,633 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 23:01:36,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-16 23:01:36,634 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:36,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:36,634 INFO L82 PathProgramCache]: Analyzing trace with hash 230111356, now seen corresponding path program 1 times [2021-10-16 23:01:36,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:36,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918239312] [2021-10-16 23:01:36,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:36,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:36,666 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 23:01:36,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:36,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918239312] [2021-10-16 23:01:36,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918239312] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:36,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:36,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:36,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266501519] [2021-10-16 23:01:36,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:36,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:36,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:36,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:36,669 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 310 [2021-10-16 23:01:36,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 271 transitions, 578 flow. Second operand has 3 states, 3 states have (on average 285.6666666666667) internal successors, (857), 3 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:36,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 310 [2021-10-16 23:01:36,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:36,748 INFO L129 PetriNetUnfolder]: 47/770 cut-off events. [2021-10-16 23:01:36,748 INFO L130 PetriNetUnfolder]: For 45/85 co-relation queries the response was YES. [2021-10-16 23:01:36,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 949 conditions, 770 events. 47/770 cut-off events. For 45/85 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4155 event pairs, 19 based on Foata normal form. 2/711 useless extension candidates. Maximal degree in co-relation 817. Up to 77 conditions per place. [2021-10-16 23:01:36,755 INFO L132 encePairwiseOnDemand]: 304/310 looper letters, 16 selfloop transitions, 5 changer transitions 0/275 dead transitions. [2021-10-16 23:01:36,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 275 transitions, 632 flow [2021-10-16 23:01:36,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:36,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:36,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 868 transitions. [2021-10-16 23:01:36,757 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9333333333333333 [2021-10-16 23:01:36,757 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 868 transitions. [2021-10-16 23:01:36,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 868 transitions. [2021-10-16 23:01:36,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:36,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 868 transitions. [2021-10-16 23:01:36,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 289.3333333333333) internal successors, (868), 3 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,760 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,760 INFO L186 Difference]: Start difference. First operand has 271 places, 271 transitions, 578 flow. Second operand 3 states and 868 transitions. [2021-10-16 23:01:36,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 275 transitions, 632 flow [2021-10-16 23:01:36,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 275 transitions, 622 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:36,764 INFO L242 Difference]: Finished difference. Result has 273 places, 275 transitions, 610 flow [2021-10-16 23:01:36,765 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=610, PETRI_PLACES=273, PETRI_TRANSITIONS=275} [2021-10-16 23:01:36,765 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, -13 predicate places. [2021-10-16 23:01:36,765 INFO L470 AbstractCegarLoop]: Abstraction has has 273 places, 275 transitions, 610 flow [2021-10-16 23:01:36,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 285.6666666666667) internal successors, (857), 3 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,766 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:36,766 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 23:01:36,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-16 23:01:36,766 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:36,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:36,766 INFO L82 PathProgramCache]: Analyzing trace with hash -864272253, now seen corresponding path program 1 times [2021-10-16 23:01:36,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:36,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229562771] [2021-10-16 23:01:36,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:36,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:36,797 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 23:01:36,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:36,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229562771] [2021-10-16 23:01:36,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229562771] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:36,797 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:36,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:36,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866500396] [2021-10-16 23:01:36,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:36,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:36,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:36,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:36,802 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 310 [2021-10-16 23:01:36,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 275 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:36,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:36,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 310 [2021-10-16 23:01:36,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:37,021 INFO L129 PetriNetUnfolder]: 260/1925 cut-off events. [2021-10-16 23:01:37,022 INFO L130 PetriNetUnfolder]: For 101/125 co-relation queries the response was YES. [2021-10-16 23:01:37,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2592 conditions, 1925 events. 260/1925 cut-off events. For 101/125 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 16124 event pairs, 89 based on Foata normal form. 0/1708 useless extension candidates. Maximal degree in co-relation 2459. Up to 276 conditions per place. [2021-10-16 23:01:37,040 INFO L132 encePairwiseOnDemand]: 304/310 looper letters, 15 selfloop transitions, 5 changer transitions 0/281 dead transitions. [2021-10-16 23:01:37,040 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 281 transitions, 662 flow [2021-10-16 23:01:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:37,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:37,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 867 transitions. [2021-10-16 23:01:37,042 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.932258064516129 [2021-10-16 23:01:37,042 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 867 transitions. [2021-10-16 23:01:37,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 867 transitions. [2021-10-16 23:01:37,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:37,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 867 transitions. [2021-10-16 23:01:37,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 289.0) internal successors, (867), 3 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:37,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:37,045 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:37,045 INFO L186 Difference]: Start difference. First operand has 273 places, 275 transitions, 610 flow. Second operand 3 states and 867 transitions. [2021-10-16 23:01:37,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 281 transitions, 662 flow [2021-10-16 23:01:37,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 281 transitions, 648 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:37,051 INFO L242 Difference]: Finished difference. Result has 275 places, 279 transitions, 634 flow [2021-10-16 23:01:37,052 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=275, PETRI_TRANSITIONS=279} [2021-10-16 23:01:37,052 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, -11 predicate places. [2021-10-16 23:01:37,052 INFO L470 AbstractCegarLoop]: Abstraction has has 275 places, 279 transitions, 634 flow [2021-10-16 23:01:37,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:37,053 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:37,053 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, 1, 1, 1] [2021-10-16 23:01:37,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-16 23:01:37,053 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:37,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:37,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1027927681, now seen corresponding path program 1 times [2021-10-16 23:01:37,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:37,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417713924] [2021-10-16 23:01:37,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:37,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:37,081 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 23:01:37,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:37,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417713924] [2021-10-16 23:01:37,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417713924] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:37,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:37,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:37,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579678688] [2021-10-16 23:01:37,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:37,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:37,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:37,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:37,084 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 310 [2021-10-16 23:01:37,085 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 279 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:37,085 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:37,085 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 310 [2021-10-16 23:01:37,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:37,696 INFO L129 PetriNetUnfolder]: 1152/5416 cut-off events. [2021-10-16 23:01:37,696 INFO L130 PetriNetUnfolder]: For 243/255 co-relation queries the response was YES. [2021-10-16 23:01:37,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7978 conditions, 5416 events. 1152/5416 cut-off events. For 243/255 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 54218 event pairs, 601 based on Foata normal form. 0/4701 useless extension candidates. Maximal degree in co-relation 7842. Up to 1377 conditions per place. [2021-10-16 23:01:37,740 INFO L132 encePairwiseOnDemand]: 300/310 looper letters, 26 selfloop transitions, 9 changer transitions 0/291 dead transitions. [2021-10-16 23:01:37,740 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 291 transitions, 728 flow [2021-10-16 23:01:37,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:37,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:37,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 858 transitions. [2021-10-16 23:01:37,742 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9225806451612903 [2021-10-16 23:01:37,742 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 858 transitions. [2021-10-16 23:01:37,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 858 transitions. [2021-10-16 23:01:37,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:37,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 858 transitions. [2021-10-16 23:01:37,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 286.0) internal successors, (858), 3 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:37,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:37,746 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:37,746 INFO L186 Difference]: Start difference. First operand has 275 places, 279 transitions, 634 flow. Second operand 3 states and 858 transitions. [2021-10-16 23:01:37,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 291 transitions, 728 flow [2021-10-16 23:01:37,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 291 transitions, 718 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:37,752 INFO L242 Difference]: Finished difference. Result has 277 places, 287 transitions, 694 flow [2021-10-16 23:01:37,752 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=694, PETRI_PLACES=277, PETRI_TRANSITIONS=287} [2021-10-16 23:01:37,752 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, -9 predicate places. [2021-10-16 23:01:37,753 INFO L470 AbstractCegarLoop]: Abstraction has has 277 places, 287 transitions, 694 flow [2021-10-16 23:01:37,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:37,753 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:37,753 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, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:37,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-16 23:01:37,753 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:37,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:37,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1760305488, now seen corresponding path program 1 times [2021-10-16 23:01:37,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:37,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898026287] [2021-10-16 23:01:37,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:37,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:37,777 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 23:01:37,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:37,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898026287] [2021-10-16 23:01:37,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898026287] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:37,778 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:37,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:37,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018854911] [2021-10-16 23:01:37,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:37,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:37,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:37,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:37,779 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 310 [2021-10-16 23:01:37,780 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 287 transitions, 694 flow. Second operand has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:37,780 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:37,780 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 310 [2021-10-16 23:01:37,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:38,353 INFO L129 PetriNetUnfolder]: 867/4784 cut-off events. [2021-10-16 23:01:38,353 INFO L130 PetriNetUnfolder]: For 467/544 co-relation queries the response was YES. [2021-10-16 23:01:38,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7534 conditions, 4784 events. 867/4784 cut-off events. For 467/544 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 50507 event pairs, 296 based on Foata normal form. 0/4288 useless extension candidates. Maximal degree in co-relation 5635. Up to 619 conditions per place. [2021-10-16 23:01:38,406 INFO L132 encePairwiseOnDemand]: 304/310 looper letters, 18 selfloop transitions, 6 changer transitions 0/294 dead transitions. [2021-10-16 23:01:38,406 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 294 transitions, 764 flow [2021-10-16 23:01:38,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:38,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 867 transitions. [2021-10-16 23:01:38,412 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.932258064516129 [2021-10-16 23:01:38,413 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 867 transitions. [2021-10-16 23:01:38,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 867 transitions. [2021-10-16 23:01:38,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:38,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 867 transitions. [2021-10-16 23:01:38,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 289.0) internal successors, (867), 3 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:38,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:38,416 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:38,416 INFO L186 Difference]: Start difference. First operand has 277 places, 287 transitions, 694 flow. Second operand 3 states and 867 transitions. [2021-10-16 23:01:38,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 294 transitions, 764 flow [2021-10-16 23:01:38,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 294 transitions, 746 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:38,425 INFO L242 Difference]: Finished difference. Result has 279 places, 291 transitions, 720 flow [2021-10-16 23:01:38,425 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=676, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=720, PETRI_PLACES=279, PETRI_TRANSITIONS=291} [2021-10-16 23:01:38,425 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, -7 predicate places. [2021-10-16 23:01:38,425 INFO L470 AbstractCegarLoop]: Abstraction has has 279 places, 291 transitions, 720 flow [2021-10-16 23:01:38,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:38,426 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:38,426 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:38,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-16 23:01:38,426 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:38,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:38,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1466357985, now seen corresponding path program 1 times [2021-10-16 23:01:38,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:38,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220160485] [2021-10-16 23:01:38,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:38,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:38,451 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 23:01:38,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:38,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220160485] [2021-10-16 23:01:38,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220160485] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:38,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:38,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 23:01:38,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450483203] [2021-10-16 23:01:38,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 23:01:38,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:38,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 23:01:38,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 23:01:38,453 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 310 [2021-10-16 23:01:38,454 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 291 transitions, 720 flow. Second operand has 3 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:38,454 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:38,454 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 310 [2021-10-16 23:01:38,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:39,318 INFO L129 PetriNetUnfolder]: 1697/7804 cut-off events. [2021-10-16 23:01:39,318 INFO L130 PetriNetUnfolder]: For 1417/2745 co-relation queries the response was YES. [2021-10-16 23:01:39,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13258 conditions, 7804 events. 1697/7804 cut-off events. For 1417/2745 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 84682 event pairs, 623 based on Foata normal form. 1/6895 useless extension candidates. Maximal degree in co-relation 13065. Up to 1819 conditions per place. [2021-10-16 23:01:39,388 INFO L132 encePairwiseOnDemand]: 300/310 looper letters, 33 selfloop transitions, 13 changer transitions 0/307 dead transitions. [2021-10-16 23:01:39,388 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 307 transitions, 864 flow [2021-10-16 23:01:39,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 23:01:39,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-16 23:01:39,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 858 transitions. [2021-10-16 23:01:39,391 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9225806451612903 [2021-10-16 23:01:39,392 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 858 transitions. [2021-10-16 23:01:39,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 858 transitions. [2021-10-16 23:01:39,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:39,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 858 transitions. [2021-10-16 23:01:39,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 286.0) internal successors, (858), 3 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:39,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:39,405 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:39,405 INFO L186 Difference]: Start difference. First operand has 279 places, 291 transitions, 720 flow. Second operand 3 states and 858 transitions. [2021-10-16 23:01:39,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 307 transitions, 864 flow [2021-10-16 23:01:39,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 307 transitions, 852 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:39,412 INFO L242 Difference]: Finished difference. Result has 281 places, 302 transitions, 820 flow [2021-10-16 23:01:39,413 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=708, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=281, PETRI_TRANSITIONS=302} [2021-10-16 23:01:39,413 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, -5 predicate places. [2021-10-16 23:01:39,413 INFO L470 AbstractCegarLoop]: Abstraction has has 281 places, 302 transitions, 820 flow [2021-10-16 23:01:39,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:39,413 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:39,413 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:39,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-16 23:01:39,414 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:39,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:39,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1277564628, now seen corresponding path program 1 times [2021-10-16 23:01:39,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:39,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532359487] [2021-10-16 23:01:39,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:39,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:39,469 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 23:01:39,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:39,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532359487] [2021-10-16 23:01:39,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532359487] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:39,469 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:39,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 23:01:39,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441158816] [2021-10-16 23:01:39,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 23:01:39,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:39,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 23:01:39,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 23:01:39,471 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 310 [2021-10-16 23:01:39,472 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 302 transitions, 820 flow. Second operand has 5 states, 5 states have (on average 283.6) internal successors, (1418), 5 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:39,472 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:39,472 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 310 [2021-10-16 23:01:39,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:40,262 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([882] L76-1-->L76-2: Formula: (= |v_#race~s~0_12| |v_thread3Thread1of1ForFork1_#t~nondet40_3|) InVars {thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} OutVars{#race~s~0=|v_#race~s~0_12|, thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} AuxVars[] AssignedVars[#race~s~0][294], [Black: 349#(= |thread1Thread1of1ForFork2_#t~nondet11| |#race~x~0|), Black: 355#(= |thread2Thread1of1ForFork0_#t~nondet25| |#race~b~0|), 6#L76-2true, Black: 361#(= |thread1Thread1of1ForFork2_#t~nondet14| |#race~s~0|), Black: 367#(= |thread3Thread1of1ForFork1_#t~nondet39| |#race~b~0|), 231#L98-4true, Black: 373#(= |thread2Thread1of1ForFork0_#t~nondet28| |#race~s~0|), thread3Thread1of1ForFork1InUse, Black: 343#(= |thread1Thread1of1ForFork2_#t~nondet10| |#race~x~0|), 377#true, 371#true, 45#L63-7true, 82#L50-7true]) [2021-10-16 23:01:40,263 INFO L384 tUnfolder$Statistics]: this new event has 192 ancestors and is cut-off event [2021-10-16 23:01:40,263 INFO L387 tUnfolder$Statistics]: existing Event has 192 ancestors and is cut-off event [2021-10-16 23:01:40,263 INFO L387 tUnfolder$Statistics]: existing Event has 192 ancestors and is cut-off event [2021-10-16 23:01:40,263 INFO L387 tUnfolder$Statistics]: existing Event has 192 ancestors and is cut-off event [2021-10-16 23:01:40,297 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([882] L76-1-->L76-2: Formula: (= |v_#race~s~0_12| |v_thread3Thread1of1ForFork1_#t~nondet40_3|) InVars {thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} OutVars{#race~s~0=|v_#race~s~0_12|, thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} AuxVars[] AssignedVars[#race~s~0][274], [Black: 349#(= |thread1Thread1of1ForFork2_#t~nondet11| |#race~x~0|), Black: 355#(= |thread2Thread1of1ForFork0_#t~nondet25| |#race~b~0|), 79#L65true, 6#L76-2true, Black: 361#(= |thread1Thread1of1ForFork2_#t~nondet14| |#race~s~0|), Black: 367#(= |thread3Thread1of1ForFork1_#t~nondet39| |#race~b~0|), 231#L98-4true, Black: 373#(= |thread2Thread1of1ForFork0_#t~nondet28| |#race~s~0|), thread3Thread1of1ForFork1InUse, Black: 343#(= |thread1Thread1of1ForFork2_#t~nondet10| |#race~x~0|), 371#true, 377#true, 82#L50-7true]) [2021-10-16 23:01:40,297 INFO L384 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2021-10-16 23:01:40,298 INFO L387 tUnfolder$Statistics]: existing Event has 198 ancestors and is cut-off event [2021-10-16 23:01:40,298 INFO L387 tUnfolder$Statistics]: existing Event has 195 ancestors and is cut-off event [2021-10-16 23:01:40,298 INFO L387 tUnfolder$Statistics]: existing Event has 195 ancestors and is cut-off event [2021-10-16 23:01:40,304 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([882] L76-1-->L76-2: Formula: (= |v_#race~s~0_12| |v_thread3Thread1of1ForFork1_#t~nondet40_3|) InVars {thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} OutVars{#race~s~0=|v_#race~s~0_12|, thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} AuxVars[] AssignedVars[#race~s~0][274], [Black: 349#(= |thread1Thread1of1ForFork2_#t~nondet11| |#race~x~0|), Black: 355#(= |thread2Thread1of1ForFork0_#t~nondet25| |#race~b~0|), 79#L65true, 6#L76-2true, Black: 361#(= |thread1Thread1of1ForFork2_#t~nondet14| |#race~s~0|), Black: 367#(= |thread3Thread1of1ForFork1_#t~nondet39| |#race~b~0|), 231#L98-4true, Black: 373#(= |thread2Thread1of1ForFork0_#t~nondet28| |#race~s~0|), thread3Thread1of1ForFork1InUse, Black: 343#(= |thread1Thread1of1ForFork2_#t~nondet10| |#race~x~0|), 371#true, 377#true, 82#L50-7true]) [2021-10-16 23:01:40,304 INFO L384 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2021-10-16 23:01:40,304 INFO L387 tUnfolder$Statistics]: existing Event has 195 ancestors and is cut-off event [2021-10-16 23:01:40,304 INFO L387 tUnfolder$Statistics]: existing Event has 198 ancestors and is cut-off event [2021-10-16 23:01:40,304 INFO L387 tUnfolder$Statistics]: existing Event has 195 ancestors and is cut-off event [2021-10-16 23:01:40,304 INFO L387 tUnfolder$Statistics]: existing Event has 195 ancestors and is cut-off event [2021-10-16 23:01:40,310 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([882] L76-1-->L76-2: Formula: (= |v_#race~s~0_12| |v_thread3Thread1of1ForFork1_#t~nondet40_3|) InVars {thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} OutVars{#race~s~0=|v_#race~s~0_12|, thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} AuxVars[] AssignedVars[#race~s~0][288], [Black: 349#(= |thread1Thread1of1ForFork2_#t~nondet11| |#race~x~0|), Black: 355#(= |thread2Thread1of1ForFork0_#t~nondet25| |#race~b~0|), 6#L76-2true, Black: 361#(= |thread1Thread1of1ForFork2_#t~nondet14| |#race~s~0|), 150#L52true, Black: 367#(= |thread3Thread1of1ForFork1_#t~nondet39| |#race~b~0|), 231#L98-4true, Black: 373#(= |thread2Thread1of1ForFork0_#t~nondet28| |#race~s~0|), thread3Thread1of1ForFork1InUse, Black: 343#(= |thread1Thread1of1ForFork2_#t~nondet10| |#race~x~0|), 45#L63-7true, 371#true, 377#true]) [2021-10-16 23:01:40,310 INFO L384 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2021-10-16 23:01:40,310 INFO L387 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2021-10-16 23:01:40,310 INFO L387 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2021-10-16 23:01:40,310 INFO L387 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2021-10-16 23:01:40,353 INFO L129 PetriNetUnfolder]: 1322/6952 cut-off events. [2021-10-16 23:01:40,353 INFO L130 PetriNetUnfolder]: For 1459/1652 co-relation queries the response was YES. [2021-10-16 23:01:40,391 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11483 conditions, 6952 events. 1322/6952 cut-off events. For 1459/1652 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 77902 event pairs, 470 based on Foata normal form. 2/6271 useless extension candidates. Maximal degree in co-relation 11354. Up to 850 conditions per place. [2021-10-16 23:01:40,417 INFO L132 encePairwiseOnDemand]: 306/310 looper letters, 9 selfloop transitions, 0 changer transitions 4/305 dead transitions. [2021-10-16 23:01:40,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 305 transitions, 852 flow [2021-10-16 23:01:40,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 23:01:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-10-16 23:01:40,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1424 transitions. [2021-10-16 23:01:40,421 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9187096774193548 [2021-10-16 23:01:40,421 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1424 transitions. [2021-10-16 23:01:40,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1424 transitions. [2021-10-16 23:01:40,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:40,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1424 transitions. [2021-10-16 23:01:40,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 284.8) internal successors, (1424), 5 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:40,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 310.0) internal successors, (1860), 6 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:40,427 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 310.0) internal successors, (1860), 6 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:40,427 INFO L186 Difference]: Start difference. First operand has 281 places, 302 transitions, 820 flow. Second operand 5 states and 1424 transitions. [2021-10-16 23:01:40,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 305 transitions, 852 flow [2021-10-16 23:01:40,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 305 transitions, 826 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:40,437 INFO L242 Difference]: Finished difference. Result has 286 places, 301 transitions, 798 flow [2021-10-16 23:01:40,437 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=798, PETRI_PLACES=286, PETRI_TRANSITIONS=301} [2021-10-16 23:01:40,438 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, 0 predicate places. [2021-10-16 23:01:40,438 INFO L470 AbstractCegarLoop]: Abstraction has has 286 places, 301 transitions, 798 flow [2021-10-16 23:01:40,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 283.6) internal successors, (1418), 5 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:40,438 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:40,438 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:40,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-16 23:01:40,438 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:40,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:40,440 INFO L82 PathProgramCache]: Analyzing trace with hash -995624553, now seen corresponding path program 1 times [2021-10-16 23:01:40,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:40,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184322393] [2021-10-16 23:01:40,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:40,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:40,468 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 23:01:40,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:40,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184322393] [2021-10-16 23:01:40,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184322393] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:40,469 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:40,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 23:01:40,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057708412] [2021-10-16 23:01:40,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 23:01:40,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:40,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 23:01:40,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 23:01:40,471 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 310 [2021-10-16 23:01:40,472 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 301 transitions, 798 flow. Second operand has 4 states, 4 states have (on average 288.25) internal successors, (1153), 4 states have internal predecessors, (1153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:40,472 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:40,472 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 310 [2021-10-16 23:01:40,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:41,192 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([882] L76-1-->L76-2: Formula: (= |v_#race~s~0_12| |v_thread3Thread1of1ForFork1_#t~nondet40_3|) InVars {thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} OutVars{#race~s~0=|v_#race~s~0_12|, thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} AuxVars[] AssignedVars[#race~s~0][291], [Black: 349#(= |thread1Thread1of1ForFork2_#t~nondet11| |#race~x~0|), Black: 385#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (not |ULTIMATE.start_main_#t~short65|)), Black: 383#(and (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (not |ULTIMATE.start_main_#t~short65|)), Black: 379#(not |ULTIMATE.start_main_#t~short65|), Black: 355#(= |thread2Thread1of1ForFork0_#t~nondet25| |#race~b~0|), 6#L76-2true, Black: 361#(= |thread1Thread1of1ForFork2_#t~nondet14| |#race~s~0|), Black: 367#(= |thread3Thread1of1ForFork1_#t~nondet39| |#race~b~0|), 231#L98-4true, 390#true, Black: 373#(= |thread2Thread1of1ForFork0_#t~nondet28| |#race~s~0|), thread3Thread1of1ForFork1InUse, Black: 343#(= |thread1Thread1of1ForFork2_#t~nondet10| |#race~x~0|), 45#L63-7true, 377#true, 82#L50-7true]) [2021-10-16 23:01:41,192 INFO L384 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2021-10-16 23:01:41,192 INFO L387 tUnfolder$Statistics]: existing Event has 195 ancestors and is cut-off event [2021-10-16 23:01:41,192 INFO L387 tUnfolder$Statistics]: existing Event has 195 ancestors and is cut-off event [2021-10-16 23:01:41,192 INFO L387 tUnfolder$Statistics]: existing Event has 195 ancestors and is cut-off event [2021-10-16 23:01:41,223 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([882] L76-1-->L76-2: Formula: (= |v_#race~s~0_12| |v_thread3Thread1of1ForFork1_#t~nondet40_3|) InVars {thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} OutVars{#race~s~0=|v_#race~s~0_12|, thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} AuxVars[] AssignedVars[#race~s~0][271], [Black: 349#(= |thread1Thread1of1ForFork2_#t~nondet11| |#race~x~0|), Black: 385#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (not |ULTIMATE.start_main_#t~short65|)), Black: 383#(and (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (not |ULTIMATE.start_main_#t~short65|)), Black: 379#(not |ULTIMATE.start_main_#t~short65|), Black: 355#(= |thread2Thread1of1ForFork0_#t~nondet25| |#race~b~0|), 79#L65true, 6#L76-2true, Black: 361#(= |thread1Thread1of1ForFork2_#t~nondet14| |#race~s~0|), Black: 367#(= |thread3Thread1of1ForFork1_#t~nondet39| |#race~b~0|), 231#L98-4true, 390#true, Black: 373#(= |thread2Thread1of1ForFork0_#t~nondet28| |#race~s~0|), thread3Thread1of1ForFork1InUse, Black: 343#(= |thread1Thread1of1ForFork2_#t~nondet10| |#race~x~0|), 377#true, 82#L50-7true]) [2021-10-16 23:01:41,223 INFO L384 tUnfolder$Statistics]: this new event has 198 ancestors and is cut-off event [2021-10-16 23:01:41,223 INFO L387 tUnfolder$Statistics]: existing Event has 201 ancestors and is cut-off event [2021-10-16 23:01:41,223 INFO L387 tUnfolder$Statistics]: existing Event has 198 ancestors and is cut-off event [2021-10-16 23:01:41,223 INFO L387 tUnfolder$Statistics]: existing Event has 198 ancestors and is cut-off event [2021-10-16 23:01:41,229 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([882] L76-1-->L76-2: Formula: (= |v_#race~s~0_12| |v_thread3Thread1of1ForFork1_#t~nondet40_3|) InVars {thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} OutVars{#race~s~0=|v_#race~s~0_12|, thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} AuxVars[] AssignedVars[#race~s~0][271], [Black: 349#(= |thread1Thread1of1ForFork2_#t~nondet11| |#race~x~0|), Black: 385#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (not |ULTIMATE.start_main_#t~short65|)), Black: 383#(and (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (not |ULTIMATE.start_main_#t~short65|)), Black: 379#(not |ULTIMATE.start_main_#t~short65|), Black: 355#(= |thread2Thread1of1ForFork0_#t~nondet25| |#race~b~0|), 79#L65true, 6#L76-2true, Black: 361#(= |thread1Thread1of1ForFork2_#t~nondet14| |#race~s~0|), Black: 367#(= |thread3Thread1of1ForFork1_#t~nondet39| |#race~b~0|), 231#L98-4true, 390#true, Black: 373#(= |thread2Thread1of1ForFork0_#t~nondet28| |#race~s~0|), thread3Thread1of1ForFork1InUse, Black: 343#(= |thread1Thread1of1ForFork2_#t~nondet10| |#race~x~0|), 377#true, 82#L50-7true]) [2021-10-16 23:01:41,229 INFO L384 tUnfolder$Statistics]: this new event has 198 ancestors and is cut-off event [2021-10-16 23:01:41,229 INFO L387 tUnfolder$Statistics]: existing Event has 198 ancestors and is cut-off event [2021-10-16 23:01:41,229 INFO L387 tUnfolder$Statistics]: existing Event has 201 ancestors and is cut-off event [2021-10-16 23:01:41,229 INFO L387 tUnfolder$Statistics]: existing Event has 198 ancestors and is cut-off event [2021-10-16 23:01:41,229 INFO L387 tUnfolder$Statistics]: existing Event has 198 ancestors and is cut-off event [2021-10-16 23:01:41,234 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([882] L76-1-->L76-2: Formula: (= |v_#race~s~0_12| |v_thread3Thread1of1ForFork1_#t~nondet40_3|) InVars {thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} OutVars{#race~s~0=|v_#race~s~0_12|, thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} AuxVars[] AssignedVars[#race~s~0][285], [Black: 349#(= |thread1Thread1of1ForFork2_#t~nondet11| |#race~x~0|), Black: 385#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (not |ULTIMATE.start_main_#t~short65|)), Black: 383#(and (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (not |ULTIMATE.start_main_#t~short65|)), Black: 379#(not |ULTIMATE.start_main_#t~short65|), Black: 355#(= |thread2Thread1of1ForFork0_#t~nondet25| |#race~b~0|), 6#L76-2true, Black: 361#(= |thread1Thread1of1ForFork2_#t~nondet14| |#race~s~0|), 150#L52true, Black: 367#(= |thread3Thread1of1ForFork1_#t~nondet39| |#race~b~0|), 390#true, 231#L98-4true, Black: 373#(= |thread2Thread1of1ForFork0_#t~nondet28| |#race~s~0|), thread3Thread1of1ForFork1InUse, Black: 343#(= |thread1Thread1of1ForFork2_#t~nondet10| |#race~x~0|), 377#true, 45#L63-7true]) [2021-10-16 23:01:41,234 INFO L384 tUnfolder$Statistics]: this new event has 198 ancestors and is not cut-off event [2021-10-16 23:01:41,234 INFO L387 tUnfolder$Statistics]: existing Event has 198 ancestors and is not cut-off event [2021-10-16 23:01:41,234 INFO L387 tUnfolder$Statistics]: existing Event has 198 ancestors and is not cut-off event [2021-10-16 23:01:41,234 INFO L387 tUnfolder$Statistics]: existing Event has 198 ancestors and is not cut-off event [2021-10-16 23:01:41,269 INFO L129 PetriNetUnfolder]: 1321/6949 cut-off events. [2021-10-16 23:01:41,269 INFO L130 PetriNetUnfolder]: For 1041/1250 co-relation queries the response was YES. [2021-10-16 23:01:41,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11113 conditions, 6949 events. 1321/6949 cut-off events. For 1041/1250 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 77946 event pairs, 470 based on Foata normal form. 2/6223 useless extension candidates. Maximal degree in co-relation 11101. Up to 850 conditions per place. [2021-10-16 23:01:41,346 INFO L132 encePairwiseOnDemand]: 307/310 looper letters, 10 selfloop transitions, 0 changer transitions 2/302 dead transitions. [2021-10-16 23:01:41,346 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 302 transitions, 824 flow [2021-10-16 23:01:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 23:01:41,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-10-16 23:01:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1157 transitions. [2021-10-16 23:01:41,349 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9330645161290323 [2021-10-16 23:01:41,349 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1157 transitions. [2021-10-16 23:01:41,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1157 transitions. [2021-10-16 23:01:41,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:41,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1157 transitions. [2021-10-16 23:01:41,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 289.25) internal successors, (1157), 4 states have internal predecessors, (1157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:41,352 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 310.0) internal successors, (1550), 5 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:41,353 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 310.0) internal successors, (1550), 5 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:41,353 INFO L186 Difference]: Start difference. First operand has 286 places, 301 transitions, 798 flow. Second operand 4 states and 1157 transitions. [2021-10-16 23:01:41,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 302 transitions, 824 flow [2021-10-16 23:01:41,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 302 transitions, 818 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-10-16 23:01:41,358 INFO L242 Difference]: Finished difference. Result has 285 places, 300 transitions, 794 flow [2021-10-16 23:01:41,358 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=794, PETRI_PLACES=285, PETRI_TRANSITIONS=300} [2021-10-16 23:01:41,359 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, -1 predicate places. [2021-10-16 23:01:41,359 INFO L470 AbstractCegarLoop]: Abstraction has has 285 places, 300 transitions, 794 flow [2021-10-16 23:01:41,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 288.25) internal successors, (1153), 4 states have internal predecessors, (1153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:41,359 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:41,359 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 23:01:41,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-16 23:01:41,359 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:41,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:41,360 INFO L82 PathProgramCache]: Analyzing trace with hash 909488625, now seen corresponding path program 1 times [2021-10-16 23:01:41,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:41,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796559208] [2021-10-16 23:01:41,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:41,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:41,384 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 23:01:41,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:41,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796559208] [2021-10-16 23:01:41,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796559208] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:41,386 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:41,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-16 23:01:41,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895438497] [2021-10-16 23:01:41,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 23:01:41,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:41,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 23:01:41,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-16 23:01:41,388 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 310 [2021-10-16 23:01:41,388 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 300 transitions, 794 flow. Second operand has 4 states, 4 states have (on average 288.25) internal successors, (1153), 4 states have internal predecessors, (1153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:41,388 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:41,388 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 310 [2021-10-16 23:01:41,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:42,043 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([882] L76-1-->L76-2: Formula: (= |v_#race~s~0_12| |v_thread3Thread1of1ForFork1_#t~nondet40_3|) InVars {thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} OutVars{#race~s~0=|v_#race~s~0_12|, thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} AuxVars[] AssignedVars[#race~s~0][290], [Black: 349#(= |thread1Thread1of1ForFork2_#t~nondet11| |#race~x~0|), Black: 355#(= |thread2Thread1of1ForFork0_#t~nondet25| |#race~b~0|), 399#true, 6#L76-2true, Black: 361#(= |thread1Thread1of1ForFork2_#t~nondet14| |#race~s~0|), Black: 395#(and (not |ULTIMATE.start_main_#t~short63|) (not |ULTIMATE.start_main_#t~short65|)), Black: 392#(not |ULTIMATE.start_main_#t~short63|), Black: 367#(= |thread3Thread1of1ForFork1_#t~nondet39| |#race~b~0|), 231#L98-4true, 390#true, Black: 373#(= |thread2Thread1of1ForFork0_#t~nondet28| |#race~s~0|), thread3Thread1of1ForFork1InUse, Black: 343#(= |thread1Thread1of1ForFork2_#t~nondet10| |#race~x~0|), 45#L63-7true, 377#true, 82#L50-7true]) [2021-10-16 23:01:42,043 INFO L384 tUnfolder$Statistics]: this new event has 200 ancestors and is cut-off event [2021-10-16 23:01:42,043 INFO L387 tUnfolder$Statistics]: existing Event has 200 ancestors and is cut-off event [2021-10-16 23:01:42,043 INFO L387 tUnfolder$Statistics]: existing Event has 200 ancestors and is cut-off event [2021-10-16 23:01:42,043 INFO L387 tUnfolder$Statistics]: existing Event has 200 ancestors and is cut-off event [2021-10-16 23:01:42,081 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([882] L76-1-->L76-2: Formula: (= |v_#race~s~0_12| |v_thread3Thread1of1ForFork1_#t~nondet40_3|) InVars {thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} OutVars{#race~s~0=|v_#race~s~0_12|, thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} AuxVars[] AssignedVars[#race~s~0][270], [Black: 349#(= |thread1Thread1of1ForFork2_#t~nondet11| |#race~x~0|), Black: 355#(= |thread2Thread1of1ForFork0_#t~nondet25| |#race~b~0|), 399#true, 79#L65true, 6#L76-2true, Black: 361#(= |thread1Thread1of1ForFork2_#t~nondet14| |#race~s~0|), Black: 395#(and (not |ULTIMATE.start_main_#t~short63|) (not |ULTIMATE.start_main_#t~short65|)), Black: 392#(not |ULTIMATE.start_main_#t~short63|), Black: 367#(= |thread3Thread1of1ForFork1_#t~nondet39| |#race~b~0|), 231#L98-4true, 390#true, Black: 373#(= |thread2Thread1of1ForFork0_#t~nondet28| |#race~s~0|), thread3Thread1of1ForFork1InUse, Black: 343#(= |thread1Thread1of1ForFork2_#t~nondet10| |#race~x~0|), 377#true, 82#L50-7true]) [2021-10-16 23:01:42,081 INFO L384 tUnfolder$Statistics]: this new event has 203 ancestors and is cut-off event [2021-10-16 23:01:42,081 INFO L387 tUnfolder$Statistics]: existing Event has 203 ancestors and is cut-off event [2021-10-16 23:01:42,081 INFO L387 tUnfolder$Statistics]: existing Event has 206 ancestors and is cut-off event [2021-10-16 23:01:42,081 INFO L387 tUnfolder$Statistics]: existing Event has 203 ancestors and is cut-off event [2021-10-16 23:01:42,086 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([882] L76-1-->L76-2: Formula: (= |v_#race~s~0_12| |v_thread3Thread1of1ForFork1_#t~nondet40_3|) InVars {thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} OutVars{#race~s~0=|v_#race~s~0_12|, thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} AuxVars[] AssignedVars[#race~s~0][270], [Black: 349#(= |thread1Thread1of1ForFork2_#t~nondet11| |#race~x~0|), Black: 355#(= |thread2Thread1of1ForFork0_#t~nondet25| |#race~b~0|), 399#true, 79#L65true, 6#L76-2true, Black: 361#(= |thread1Thread1of1ForFork2_#t~nondet14| |#race~s~0|), Black: 395#(and (not |ULTIMATE.start_main_#t~short63|) (not |ULTIMATE.start_main_#t~short65|)), Black: 392#(not |ULTIMATE.start_main_#t~short63|), Black: 367#(= |thread3Thread1of1ForFork1_#t~nondet39| |#race~b~0|), 231#L98-4true, 390#true, Black: 373#(= |thread2Thread1of1ForFork0_#t~nondet28| |#race~s~0|), thread3Thread1of1ForFork1InUse, Black: 343#(= |thread1Thread1of1ForFork2_#t~nondet10| |#race~x~0|), 377#true, 82#L50-7true]) [2021-10-16 23:01:42,086 INFO L384 tUnfolder$Statistics]: this new event has 203 ancestors and is cut-off event [2021-10-16 23:01:42,086 INFO L387 tUnfolder$Statistics]: existing Event has 203 ancestors and is cut-off event [2021-10-16 23:01:42,087 INFO L387 tUnfolder$Statistics]: existing Event has 203 ancestors and is cut-off event [2021-10-16 23:01:42,087 INFO L387 tUnfolder$Statistics]: existing Event has 206 ancestors and is cut-off event [2021-10-16 23:01:42,087 INFO L387 tUnfolder$Statistics]: existing Event has 203 ancestors and is cut-off event [2021-10-16 23:01:42,091 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([882] L76-1-->L76-2: Formula: (= |v_#race~s~0_12| |v_thread3Thread1of1ForFork1_#t~nondet40_3|) InVars {thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} OutVars{#race~s~0=|v_#race~s~0_12|, thread3Thread1of1ForFork1_#t~nondet40=|v_thread3Thread1of1ForFork1_#t~nondet40_3|} AuxVars[] AssignedVars[#race~s~0][284], [Black: 349#(= |thread1Thread1of1ForFork2_#t~nondet11| |#race~x~0|), Black: 355#(= |thread2Thread1of1ForFork0_#t~nondet25| |#race~b~0|), 399#true, 6#L76-2true, Black: 361#(= |thread1Thread1of1ForFork2_#t~nondet14| |#race~s~0|), Black: 395#(and (not |ULTIMATE.start_main_#t~short63|) (not |ULTIMATE.start_main_#t~short65|)), Black: 392#(not |ULTIMATE.start_main_#t~short63|), 150#L52true, Black: 367#(= |thread3Thread1of1ForFork1_#t~nondet39| |#race~b~0|), 390#true, 231#L98-4true, Black: 373#(= |thread2Thread1of1ForFork0_#t~nondet28| |#race~s~0|), thread3Thread1of1ForFork1InUse, Black: 343#(= |thread1Thread1of1ForFork2_#t~nondet10| |#race~x~0|), 377#true, 45#L63-7true]) [2021-10-16 23:01:42,091 INFO L384 tUnfolder$Statistics]: this new event has 203 ancestors and is not cut-off event [2021-10-16 23:01:42,091 INFO L387 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2021-10-16 23:01:42,091 INFO L387 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2021-10-16 23:01:42,091 INFO L387 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2021-10-16 23:01:42,121 INFO L129 PetriNetUnfolder]: 1320/6948 cut-off events. [2021-10-16 23:01:42,122 INFO L130 PetriNetUnfolder]: For 1041/1250 co-relation queries the response was YES. [2021-10-16 23:01:42,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11111 conditions, 6948 events. 1320/6948 cut-off events. For 1041/1250 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 77833 event pairs, 470 based on Foata normal form. 2/6223 useless extension candidates. Maximal degree in co-relation 11099. Up to 850 conditions per place. [2021-10-16 23:01:42,197 INFO L132 encePairwiseOnDemand]: 307/310 looper letters, 10 selfloop transitions, 0 changer transitions 2/301 dead transitions. [2021-10-16 23:01:42,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 301 transitions, 820 flow [2021-10-16 23:01:42,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 23:01:42,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-10-16 23:01:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1157 transitions. [2021-10-16 23:01:42,199 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9330645161290323 [2021-10-16 23:01:42,199 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1157 transitions. [2021-10-16 23:01:42,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1157 transitions. [2021-10-16 23:01:42,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:42,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1157 transitions. [2021-10-16 23:01:42,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 289.25) internal successors, (1157), 4 states have internal predecessors, (1157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:42,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 310.0) internal successors, (1550), 5 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:42,203 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 310.0) internal successors, (1550), 5 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:42,204 INFO L186 Difference]: Start difference. First operand has 285 places, 300 transitions, 794 flow. Second operand 4 states and 1157 transitions. [2021-10-16 23:01:42,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 301 transitions, 820 flow [2021-10-16 23:01:42,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 301 transitions, 816 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:42,209 INFO L242 Difference]: Finished difference. Result has 286 places, 299 transitions, 792 flow [2021-10-16 23:01:42,210 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=792, PETRI_PLACES=286, PETRI_TRANSITIONS=299} [2021-10-16 23:01:42,210 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, 0 predicate places. [2021-10-16 23:01:42,210 INFO L470 AbstractCegarLoop]: Abstraction has has 286 places, 299 transitions, 792 flow [2021-10-16 23:01:42,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 288.25) internal successors, (1153), 4 states have internal predecessors, (1153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:42,211 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:42,211 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, 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 23:01:42,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-16 23:01:42,211 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:42,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:42,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1659720508, now seen corresponding path program 1 times [2021-10-16 23:01:42,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:42,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440673938] [2021-10-16 23:01:42,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:42,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:42,289 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 23:01:42,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:42,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440673938] [2021-10-16 23:01:42,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440673938] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:42,291 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:42,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-16 23:01:42,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703748443] [2021-10-16 23:01:42,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 23:01:42,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:42,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 23:01:42,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 23:01:42,294 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 310 [2021-10-16 23:01:42,296 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 299 transitions, 792 flow. Second operand has 8 states, 8 states have (on average 269.625) internal successors, (2157), 8 states have internal predecessors, (2157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:42,296 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:42,296 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 310 [2021-10-16 23:01:42,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:43,737 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([886] L76-5-->L76-6: Formula: (= |v_#race~s~0_13| |v_thread3Thread1of1ForFork1_#t~nondet42_3|) InVars {thread3Thread1of1ForFork1_#t~nondet42=|v_thread3Thread1of1ForFork1_#t~nondet42_3|} OutVars{#race~s~0=|v_#race~s~0_13|, thread3Thread1of1ForFork1_#t~nondet42=|v_thread3Thread1of1ForFork1_#t~nondet42_3|} AuxVars[] AssignedVars[#race~s~0][374], [408#true, Black: 349#(= |thread1Thread1of1ForFork2_#t~nondet11| |#race~x~0|), Black: 355#(= |thread2Thread1of1ForFork0_#t~nondet25| |#race~b~0|), 399#true, Black: 361#(= |thread1Thread1of1ForFork2_#t~nondet14| |#race~s~0|), 284#L76-6true, Black: 367#(= |thread3Thread1of1ForFork1_#t~nondet39| |#race~b~0|), 390#true, 231#L98-4true, Black: 404#(and (not |ULTIMATE.start_main_#t~short63|) (not |ULTIMATE.start_main_#t~short61|)), Black: 401#(not |ULTIMATE.start_main_#t~short61|), Black: 373#(= |thread2Thread1of1ForFork0_#t~nondet28| |#race~s~0|), thread3Thread1of1ForFork1InUse, Black: 343#(= |thread1Thread1of1ForFork2_#t~nondet10| |#race~x~0|), 377#true, 45#L63-7true, 82#L50-7true]) [2021-10-16 23:01:43,738 INFO L384 tUnfolder$Statistics]: this new event has 204 ancestors and is cut-off event [2021-10-16 23:01:43,738 INFO L387 tUnfolder$Statistics]: existing Event has 204 ancestors and is cut-off event [2021-10-16 23:01:43,738 INFO L387 tUnfolder$Statistics]: existing Event has 204 ancestors and is cut-off event [2021-10-16 23:01:43,738 INFO L387 tUnfolder$Statistics]: existing Event has 204 ancestors and is cut-off event [2021-10-16 23:01:43,793 INFO L129 PetriNetUnfolder]: 2685/13684 cut-off events. [2021-10-16 23:01:43,793 INFO L130 PetriNetUnfolder]: For 1656/2347 co-relation queries the response was YES. [2021-10-16 23:01:43,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22211 conditions, 13684 events. 2685/13684 cut-off events. For 1656/2347 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 166964 event pairs, 730 based on Foata normal form. 3/12342 useless extension candidates. Maximal degree in co-relation 22198. Up to 1411 conditions per place. [2021-10-16 23:01:44,120 INFO L132 encePairwiseOnDemand]: 298/310 looper letters, 92 selfloop transitions, 22 changer transitions 0/383 dead transitions. [2021-10-16 23:01:44,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 383 transitions, 1190 flow [2021-10-16 23:01:44,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-16 23:01:44,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-16 23:01:44,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3320 transitions. [2021-10-16 23:01:44,126 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8924731182795699 [2021-10-16 23:01:44,126 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 3320 transitions. [2021-10-16 23:01:44,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 3320 transitions. [2021-10-16 23:01:44,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:44,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3320 transitions. [2021-10-16 23:01:44,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 276.6666666666667) internal successors, (3320), 12 states have internal predecessors, (3320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:44,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 310.0) internal successors, (4030), 13 states have internal predecessors, (4030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:44,138 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 310.0) internal successors, (4030), 13 states have internal predecessors, (4030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:44,138 INFO L186 Difference]: Start difference. First operand has 286 places, 299 transitions, 792 flow. Second operand 12 states and 3320 transitions. [2021-10-16 23:01:44,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 383 transitions, 1190 flow [2021-10-16 23:01:44,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 383 transitions, 1186 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-10-16 23:01:44,147 INFO L242 Difference]: Finished difference. Result has 301 places, 325 transitions, 958 flow [2021-10-16 23:01:44,147 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=788, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=958, PETRI_PLACES=301, PETRI_TRANSITIONS=325} [2021-10-16 23:01:44,148 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, 15 predicate places. [2021-10-16 23:01:44,148 INFO L470 AbstractCegarLoop]: Abstraction has has 301 places, 325 transitions, 958 flow [2021-10-16 23:01:44,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 269.625) internal successors, (2157), 8 states have internal predecessors, (2157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:44,148 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:44,148 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, 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 23:01:44,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-16 23:01:44,149 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:44,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:44,149 INFO L82 PathProgramCache]: Analyzing trace with hash -648414020, now seen corresponding path program 2 times [2021-10-16 23:01:44,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:44,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265030901] [2021-10-16 23:01:44,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:44,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 23:01:44,231 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 23:01:44,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 23:01:44,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265030901] [2021-10-16 23:01:44,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265030901] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 23:01:44,231 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 23:01:44,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-16 23:01:44,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700217851] [2021-10-16 23:01:44,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 23:01:44,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 23:01:44,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 23:01:44,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 23:01:44,234 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 310 [2021-10-16 23:01:44,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 325 transitions, 958 flow. Second operand has 8 states, 8 states have (on average 269.625) internal successors, (2157), 8 states have internal predecessors, (2157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:44,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-16 23:01:44,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 310 [2021-10-16 23:01:44,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-16 23:01:45,930 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([886] L76-5-->L76-6: Formula: (= |v_#race~s~0_13| |v_thread3Thread1of1ForFork1_#t~nondet42_3|) InVars {thread3Thread1of1ForFork1_#t~nondet42=|v_thread3Thread1of1ForFork1_#t~nondet42_3|} OutVars{#race~s~0=|v_#race~s~0_13|, thread3Thread1of1ForFork1_#t~nondet42=|v_thread3Thread1of1ForFork1_#t~nondet42_3|} AuxVars[] AssignedVars[#race~s~0][406], [Black: 349#(= |thread1Thread1of1ForFork2_#t~nondet11| |#race~x~0|), 408#true, Black: 355#(= |thread2Thread1of1ForFork0_#t~nondet25| |#race~b~0|), 399#true, Black: 361#(= |thread1Thread1of1ForFork2_#t~nondet14| |#race~s~0|), 284#L76-6true, Black: 417#(and (<= (+ ~s~0 1) ~t~0) (<= (+ ~s~0 1) ~m2~0)), Black: 414#(= |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| 0), Black: 411#(<= ~s~0 ~t~0), Black: 425#(and (= |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| 0) (= thread2Thread1of1ForFork0_assume_abort_if_not_~cond 0)), Black: 412#(<= (+ ~s~0 1) ~t~0), 435#true, Black: 421#(and (<= (+ ~s~0 1) ~t~0) (<= (+ ~s~0 1) ~m2~0) (= |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| 0) (= thread2Thread1of1ForFork0_assume_abort_if_not_~cond 0)), Black: 367#(= |thread3Thread1of1ForFork1_#t~nondet39| |#race~b~0|), Black: 419#(and (<= (+ ~s~0 1) ~t~0) (<= (+ ~s~0 1) ~m2~0) (= |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| 0)), 390#true, 231#L98-4true, Black: 373#(= |thread2Thread1of1ForFork0_#t~nondet28| |#race~s~0|), thread3Thread1of1ForFork1InUse, Black: 343#(= |thread1Thread1of1ForFork2_#t~nondet10| |#race~x~0|), 45#L63-7true, 377#true, 82#L50-7true]) [2021-10-16 23:01:45,930 INFO L384 tUnfolder$Statistics]: this new event has 204 ancestors and is cut-off event [2021-10-16 23:01:45,930 INFO L387 tUnfolder$Statistics]: existing Event has 204 ancestors and is cut-off event [2021-10-16 23:01:45,930 INFO L387 tUnfolder$Statistics]: existing Event has 204 ancestors and is cut-off event [2021-10-16 23:01:45,930 INFO L387 tUnfolder$Statistics]: existing Event has 204 ancestors and is cut-off event [2021-10-16 23:01:45,988 INFO L129 PetriNetUnfolder]: 2376/12667 cut-off events. [2021-10-16 23:01:45,988 INFO L130 PetriNetUnfolder]: For 2829/3520 co-relation queries the response was YES. [2021-10-16 23:01:46,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22131 conditions, 12667 events. 2376/12667 cut-off events. For 2829/3520 co-relation queries the response was YES. Maximal size of possible extension queue 347. Compared 149182 event pairs, 624 based on Foata normal form. 38/11535 useless extension candidates. Maximal degree in co-relation 22112. Up to 1402 conditions per place. [2021-10-16 23:01:46,081 INFO L132 encePairwiseOnDemand]: 298/310 looper letters, 99 selfloop transitions, 43 changer transitions 0/415 dead transitions. [2021-10-16 23:01:46,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 415 transitions, 1584 flow [2021-10-16 23:01:46,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-16 23:01:46,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-16 23:01:46,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3316 transitions. [2021-10-16 23:01:46,086 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8913978494623656 [2021-10-16 23:01:46,086 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 3316 transitions. [2021-10-16 23:01:46,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 3316 transitions. [2021-10-16 23:01:46,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-16 23:01:46,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 3316 transitions. [2021-10-16 23:01:46,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 276.3333333333333) internal successors, (3316), 12 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:46,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 310.0) internal successors, (4030), 13 states have internal predecessors, (4030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:46,095 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 310.0) internal successors, (4030), 13 states have internal predecessors, (4030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:46,095 INFO L186 Difference]: Start difference. First operand has 301 places, 325 transitions, 958 flow. Second operand 12 states and 3316 transitions. [2021-10-16 23:01:46,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 415 transitions, 1584 flow [2021-10-16 23:01:46,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 415 transitions, 1582 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-16 23:01:46,107 INFO L242 Difference]: Finished difference. Result has 318 places, 352 transitions, 1264 flow [2021-10-16 23:01:46,107 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=952, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1264, PETRI_PLACES=318, PETRI_TRANSITIONS=352} [2021-10-16 23:01:46,108 INFO L334 CegarLoopForPetriNet]: 286 programPoint places, 32 predicate places. [2021-10-16 23:01:46,108 INFO L470 AbstractCegarLoop]: Abstraction has has 318 places, 352 transitions, 1264 flow [2021-10-16 23:01:46,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 269.625) internal successors, (2157), 8 states have internal predecessors, (2157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 23:01:46,108 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-16 23:01:46,108 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, 1, 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 23:01:46,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-16 23:01:46,109 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2021-10-16 23:01:46,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 23:01:46,109 INFO L82 PathProgramCache]: Analyzing trace with hash -701432663, now seen corresponding path program 1 times [2021-10-16 23:01:46,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 23:01:46,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053330604] [2021-10-16 23:01:46,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 23:01:46,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 23:01:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:01:46,134 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 23:01:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 23:01:46,189 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 23:01:46,189 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 23:01:46,190 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,192 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,193 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,194 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONDATA_RACE [2021-10-16 23:01:46,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-16 23:01:46,202 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 23:01:46,202 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 23:01:46,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:01:46 BasicIcfg [2021-10-16 23:01:46,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 23:01:46,454 INFO L168 Benchmark]: Toolchain (without parser) took 12471.93 ms. Allocated memory was 192.9 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 165.5 MB in the beginning and 3.1 GB in the end (delta: -2.9 GB). Peak memory consumption was 705.3 MB. Max. memory is 8.0 GB. [2021-10-16 23:01:46,454 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 192.9 MB. Free memory is still 153.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 23:01:46,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.25 ms. Allocated memory is still 192.9 MB. Free memory was 165.3 MB in the beginning and 163.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-10-16 23:01:46,464 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.53 ms. Allocated memory is still 192.9 MB. Free memory was 163.1 MB in the beginning and 160.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-16 23:01:46,464 INFO L168 Benchmark]: Boogie Preprocessor took 29.10 ms. Allocated memory is still 192.9 MB. Free memory was 160.6 MB in the beginning and 158.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-16 23:01:46,464 INFO L168 Benchmark]: RCFGBuilder took 650.38 ms. Allocated memory is still 192.9 MB. Free memory was 158.8 MB in the beginning and 131.8 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-10-16 23:01:46,464 INFO L168 Benchmark]: TraceAbstraction took 11584.03 ms. Allocated memory was 192.9 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 131.3 MB in the beginning and 3.1 GB in the end (delta: -2.9 GB). Peak memory consumption was 671.8 MB. Max. memory is 8.0 GB. [2021-10-16 23:01:46,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 192.9 MB. Free memory is still 153.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 174.25 ms. Allocated memory is still 192.9 MB. Free memory was 165.3 MB in the beginning and 163.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 30.53 ms. Allocated memory is still 192.9 MB. Free memory was 163.1 MB in the beginning and 160.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.10 ms. Allocated memory is still 192.9 MB. Free memory was 160.6 MB in the beginning and 158.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 650.38 ms. Allocated memory is still 192.9 MB. Free memory was 158.8 MB in the beginning and 131.8 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 11584.03 ms. Allocated memory was 192.9 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 131.3 MB in the beginning and 3.1 GB in the end (delta: -2.9 GB). Peak memory consumption was 671.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 50]: the program contains a data race the program contains a data race We found a FailurePath: [L38] 0 int m1, m2, m3, s, t, x; VAL [m1=0, m2=0, m3=0, s=0, t=0, x=0] [L39] 0 _Bool b; VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L82] 0 pthread_t t1, t2, t3; VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L85] 0 m1 = __VERIFIER_nondet_int() VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L86] 0 m2 = __VERIFIER_nondet_int() VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L87] 0 m3 = __VERIFIER_nondet_int() VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L88] 0 s = __VERIFIER_nondet_int() VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L89] 0 t = __VERIFIER_nondet_int() VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L90] 0 x = __VERIFIER_nondet_int() VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L91] 0 b = __VERIFIER_nondet_bool() VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L94] EXPR 0 s == t && s == x VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L94] EXPR 0 s == t && s == x VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L94] EXPR 0 s == t && s == x && s == 0 VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L94] EXPR 0 s == t && s == x && s == 0 VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L94] 0 s == t && s == x && s == 0 && b == 0 VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L94] 0 s == t && s == x && s == 0 && b == 0 VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L35] COND FALSE 0 !(!cond) VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L96] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [b=0, m1=0, m2=0, m3=0, s=0, t=0, x=0] [L97] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [b=0, m1=0, m2=0, m3=0, s=0, t=1, x=0] [L35] COND FALSE 1 !(!cond) VAL [b=0, m1=0, m2=1, m3=0, s=0, t=2, x=0] [L48] 1 x = 1 VAL [b=0, m1=0, m2=1, m3=0, s=0, t=2, x=1] [L49] 1 x = 0 VAL [b=0, m1=0, m2=1, m3=0, s=0, t=2, x=0] [L50] 1 s++ VAL [b=0, m1=0, m2=1, m3=0, s=1, t=2, x=0] - UnprovableResult [Line: 43]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 63]: 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: 75]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 76]: 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: 87]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 90]: 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 there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 96]: 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: 97]: 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: 98]: 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 7 procedures, 432 locations, 36 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11174.1ms, OverallIterations: 19, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 9934.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 131.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 269 SDtfs, 212 SDslu, 162 SDs, 0 SdLazy, 620 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 378.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 167.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1264occurred in iteration=18, InterpolantAutomatonStates: 76, 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: 52.1ms SsaConstructionTime, 233.4ms SatisfiabilityAnalysisTime, 533.1ms InterpolantComputationTime, 1868 NumberOfCodeBlocks, 1868 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1706 ConstructedInterpolants, 0 QuantifiedInterpolants, 2063 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 23:01:46,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...