/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-FA-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/chl-sre-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:08:34,261 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-19 14:08:34,338 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-FA-NoLbe.epf [2021-10-19 14:08:34,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:08:34,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:08:34,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-19 14:08:34,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-19 14:08:34,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:08:34,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:08:34,357 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:08:34,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:08:34,358 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:08:34,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:08:34,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:08:34,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:08:34,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:08:34,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:08:34,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:08:34,359 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:08:34,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:08:34,359 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:08:34,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:08:34,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:08:34,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:08:34,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:08:34,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:08:34,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:08:34,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:08:34,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:08:34,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:08:34,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:08:34,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:08:34,360 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:08:34,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-19 14:08:34,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:08:34,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:08:34,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:08:34,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:08:34,570 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:08:34,571 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:08:34,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c [2021-10-19 14:08:34,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b78d6404d/809f288fe0b84f9a920cc4ac4b6f03a9/FLAG661dff3f1 [2021-10-19 14:08:35,041 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:08:35,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c [2021-10-19 14:08:35,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b78d6404d/809f288fe0b84f9a920cc4ac4b6f03a9/FLAG661dff3f1 [2021-10-19 14:08:35,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b78d6404d/809f288fe0b84f9a920cc4ac4b6f03a9 [2021-10-19 14:08:35,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:08:35,062 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:08:35,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:08:35,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:08:35,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:08:35,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:08:35" (1/1) ... [2021-10-19 14:08:35,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7fd14a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:08:35, skipping insertion in model container [2021-10-19 14:08:35,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:08:35" (1/1) ... [2021-10-19 14:08:35,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:08:35,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:08:35,279 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/chl-sre-symm.wvr.c[2133,2146] [2021-10-19 14:08:35,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:08:35,286 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:08:35,300 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/chl-sre-symm.wvr.c[2133,2146] [2021-10-19 14:08:35,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:08:35,310 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:08:35,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:08:35 WrapperNode [2021-10-19 14:08:35,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:08:35,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:08:35,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:08:35,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:08:35,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:08:35" (1/1) ... [2021-10-19 14:08:35,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:08:35" (1/1) ... [2021-10-19 14:08:35,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:08:35,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:08:35,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:08:35,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:08:35,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:08:35" (1/1) ... [2021-10-19 14:08:35,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:08:35" (1/1) ... [2021-10-19 14:08:35,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:08:35" (1/1) ... [2021-10-19 14:08:35,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:08:35" (1/1) ... [2021-10-19 14:08:35,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:08:35" (1/1) ... [2021-10-19 14:08:35,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:08:35" (1/1) ... [2021-10-19 14:08:35,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:08:35" (1/1) ... [2021-10-19 14:08:35,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:08:35,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:08:35,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:08:35,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:08:35,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:08:35" (1/1) ... [2021-10-19 14:08:35,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:08:35,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:08:35,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-19 14:08:35,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-19 14:08:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-19 14:08:35,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-19 14:08:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-19 14:08:35,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-19 14:08:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:08:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:08:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:08:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:08:35,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:08:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-19 14:08:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:08:35,438 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-19 14:08:35,687 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:08:35,687 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-19 14:08:35,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:08:35 BoogieIcfgContainer [2021-10-19 14:08:35,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:08:35,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:08:35,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:08:35,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:08:35,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:08:35" (1/3) ... [2021-10-19 14:08:35,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa2e680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:08:35, skipping insertion in model container [2021-10-19 14:08:35,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:08:35" (2/3) ... [2021-10-19 14:08:35,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa2e680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:08:35, skipping insertion in model container [2021-10-19 14:08:35,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:08:35" (3/3) ... [2021-10-19 14:08:35,694 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-sre-symm.wvr.c [2021-10-19 14:08:35,697 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-19 14:08:35,697 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:08:35,698 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-10-19 14:08:35,698 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:08:35,747 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,747 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,748 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,748 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,748 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,748 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,748 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,748 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,749 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,749 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,749 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,749 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,749 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,749 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,749 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,750 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,751 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,751 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,751 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,751 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,751 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,751 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,751 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,752 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,753 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,753 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,753 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,753 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,753 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,754 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,754 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,754 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,754 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,754 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,754 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,754 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,755 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,755 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,755 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,755 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,755 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,755 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,755 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,755 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,756 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,756 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,756 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,756 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,756 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,756 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,756 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,756 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,756 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,765 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,766 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,766 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,766 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,766 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,772 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,772 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,773 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,773 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,773 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:08:35,786 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-19 14:08:35,832 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:08:35,839 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=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-19 14:08:35,839 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-10-19 14:08:35,857 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 171 places, 174 transitions, 364 flow [2021-10-19 14:08:36,034 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 7222 states, 7160 states have (on average 2.9322625698324023) internal successors, (20995), 7221 states have internal predecessors, (20995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:36,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 7222 states, 7160 states have (on average 2.9322625698324023) internal successors, (20995), 7221 states have internal predecessors, (20995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:36,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-19 14:08:36,064 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:08:36,065 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:08:36,065 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-10-19 14:08:36,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:08:36,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1771711820, now seen corresponding path program 1 times [2021-10-19 14:08:36,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:08:36,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092251917] [2021-10-19 14:08:36,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:08:36,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:08:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:08:36,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:08:36,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:08:36,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092251917] [2021-10-19 14:08:36,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092251917] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:08:36,225 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:08:36,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:08:36,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979284447] [2021-10-19 14:08:36,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:08:36,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:08:36,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:08:36,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:08:36,274 INFO L87 Difference]: Start difference. First operand has 7222 states, 7160 states have (on average 2.9322625698324023) internal successors, (20995), 7221 states have internal predecessors, (20995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:36,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:08:36,401 INFO L93 Difference]: Finished difference Result 7221 states and 20992 transitions. [2021-10-19 14:08:36,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:08:36,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-19 14:08:36,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:08:36,467 INFO L225 Difference]: With dead ends: 7221 [2021-10-19 14:08:36,467 INFO L226 Difference]: Without dead ends: 7219 [2021-10-19 14:08:36,468 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:08:36,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7219 states. [2021-10-19 14:08:36,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7219 to 7219. [2021-10-19 14:08:36,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7219 states, 7158 states have (on average 2.932383347303716) internal successors, (20990), 7218 states have internal predecessors, (20990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:36,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7219 states to 7219 states and 20990 transitions. [2021-10-19 14:08:36,956 INFO L78 Accepts]: Start accepts. Automaton has 7219 states and 20990 transitions. Word has length 19 [2021-10-19 14:08:36,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:08:36,957 INFO L470 AbstractCegarLoop]: Abstraction has 7219 states and 20990 transitions. [2021-10-19 14:08:36,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:36,958 INFO L276 IsEmpty]: Start isEmpty. Operand 7219 states and 20990 transitions. [2021-10-19 14:08:36,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-19 14:08:36,958 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:08:36,959 INFO L517 BasicCegarLoop]: 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] [2021-10-19 14:08:36,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:08:36,959 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-10-19 14:08:36,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:08:36,961 INFO L82 PathProgramCache]: Analyzing trace with hash 978572469, now seen corresponding path program 1 times [2021-10-19 14:08:36,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:08:36,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360816753] [2021-10-19 14:08:36,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:08:36,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:08:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:08:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:08:37,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:08:37,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360816753] [2021-10-19 14:08:37,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360816753] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:08:37,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:08:37,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:08:37,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309774847] [2021-10-19 14:08:37,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:08:37,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:08:37,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:08:37,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:08:37,015 INFO L87 Difference]: Start difference. First operand 7219 states and 20990 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:37,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:08:37,086 INFO L93 Difference]: Finished difference Result 7218 states and 20989 transitions. [2021-10-19 14:08:37,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:08:37,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-19 14:08:37,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:08:37,129 INFO L225 Difference]: With dead ends: 7218 [2021-10-19 14:08:37,129 INFO L226 Difference]: Without dead ends: 7218 [2021-10-19 14:08:37,131 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:08:37,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7218 states. [2021-10-19 14:08:37,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7218 to 7218. [2021-10-19 14:08:37,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7218 states, 7158 states have (on average 2.9322436434758314) internal successors, (20989), 7217 states have internal predecessors, (20989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:37,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7218 states to 7218 states and 20989 transitions. [2021-10-19 14:08:37,398 INFO L78 Accepts]: Start accepts. Automaton has 7218 states and 20989 transitions. Word has length 25 [2021-10-19 14:08:37,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:08:37,399 INFO L470 AbstractCegarLoop]: Abstraction has 7218 states and 20989 transitions. [2021-10-19 14:08:37,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:37,399 INFO L276 IsEmpty]: Start isEmpty. Operand 7218 states and 20989 transitions. [2021-10-19 14:08:37,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-19 14:08:37,399 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:08:37,400 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:08:37,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:08:37,400 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-10-19 14:08:37,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:08:37,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1150765679, now seen corresponding path program 1 times [2021-10-19 14:08:37,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:08:37,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950967279] [2021-10-19 14:08:37,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:08:37,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:08:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:08:37,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:08:37,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:08:37,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950967279] [2021-10-19 14:08:37,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950967279] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:08:37,459 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:08:37,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:08:37,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881961708] [2021-10-19 14:08:37,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:08:37,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:08:37,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:08:37,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:08:37,545 INFO L87 Difference]: Start difference. First operand 7218 states and 20989 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:37,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:08:37,600 INFO L93 Difference]: Finished difference Result 6434 states and 18707 transitions. [2021-10-19 14:08:37,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:08:37,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-19 14:08:37,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:08:37,628 INFO L225 Difference]: With dead ends: 6434 [2021-10-19 14:08:37,628 INFO L226 Difference]: Without dead ends: 6434 [2021-10-19 14:08:37,629 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:08:37,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6434 states. [2021-10-19 14:08:37,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6434 to 6434. [2021-10-19 14:08:37,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6434 states, 6402 states have (on average 2.922055607622618) internal successors, (18707), 6433 states have internal predecessors, (18707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:37,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6434 states to 6434 states and 18707 transitions. [2021-10-19 14:08:37,866 INFO L78 Accepts]: Start accepts. Automaton has 6434 states and 18707 transitions. Word has length 33 [2021-10-19 14:08:37,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:08:37,867 INFO L470 AbstractCegarLoop]: Abstraction has 6434 states and 18707 transitions. [2021-10-19 14:08:37,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:37,867 INFO L276 IsEmpty]: Start isEmpty. Operand 6434 states and 18707 transitions. [2021-10-19 14:08:37,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-19 14:08:37,868 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:08:37,868 INFO L517 BasicCegarLoop]: 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] [2021-10-19 14:08:37,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:08:37,869 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-10-19 14:08:37,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:08:37,869 INFO L82 PathProgramCache]: Analyzing trace with hash -2079209037, now seen corresponding path program 1 times [2021-10-19 14:08:37,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:08:37,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149386473] [2021-10-19 14:08:37,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:08:37,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:08:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:08:37,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:08:37,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:08:37,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149386473] [2021-10-19 14:08:37,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149386473] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:08:37,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:08:37,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:08:37,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109222675] [2021-10-19 14:08:37,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:08:37,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:08:37,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:08:37,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:08:37,916 INFO L87 Difference]: Start difference. First operand 6434 states and 18707 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:37,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:08:37,964 INFO L93 Difference]: Finished difference Result 5703 states and 16576 transitions. [2021-10-19 14:08:37,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:08:37,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-19 14:08:37,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:08:37,981 INFO L225 Difference]: With dead ends: 5703 [2021-10-19 14:08:37,981 INFO L226 Difference]: Without dead ends: 5703 [2021-10-19 14:08:37,982 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:08:37,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5703 states. [2021-10-19 14:08:38,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5703 to 5703. [2021-10-19 14:08:38,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5703 states, 5688 states have (on average 2.9142053445850915) internal successors, (16576), 5702 states have internal predecessors, (16576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:38,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5703 states to 5703 states and 16576 transitions. [2021-10-19 14:08:38,177 INFO L78 Accepts]: Start accepts. Automaton has 5703 states and 16576 transitions. Word has length 35 [2021-10-19 14:08:38,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:08:38,178 INFO L470 AbstractCegarLoop]: Abstraction has 5703 states and 16576 transitions. [2021-10-19 14:08:38,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 5703 states and 16576 transitions. [2021-10-19 14:08:38,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-19 14:08:38,183 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:08:38,183 INFO L517 BasicCegarLoop]: 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] [2021-10-19 14:08:38,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:08:38,183 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-10-19 14:08:38,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:08:38,183 INFO L82 PathProgramCache]: Analyzing trace with hash 487498172, now seen corresponding path program 1 times [2021-10-19 14:08:38,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:08:38,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112893681] [2021-10-19 14:08:38,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:08:38,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:08:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:08:38,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:08:38,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:08:38,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112893681] [2021-10-19 14:08:38,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112893681] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:08:38,248 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:08:38,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:08:38,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581510388] [2021-10-19 14:08:38,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:08:38,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:08:38,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:08:38,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:08:38,249 INFO L87 Difference]: Start difference. First operand 5703 states and 16576 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:38,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:08:38,286 INFO L93 Difference]: Finished difference Result 5467 states and 15887 transitions. [2021-10-19 14:08:38,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:08:38,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-10-19 14:08:38,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:08:38,300 INFO L225 Difference]: With dead ends: 5467 [2021-10-19 14:08:38,300 INFO L226 Difference]: Without dead ends: 5467 [2021-10-19 14:08:38,300 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:08:38,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5467 states. [2021-10-19 14:08:38,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5467 to 5467. [2021-10-19 14:08:38,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5467 states, 5456 states have (on average 2.911840175953079) internal successors, (15887), 5466 states have internal predecessors, (15887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5467 states to 5467 states and 15887 transitions. [2021-10-19 14:08:38,536 INFO L78 Accepts]: Start accepts. Automaton has 5467 states and 15887 transitions. Word has length 41 [2021-10-19 14:08:38,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:08:38,537 INFO L470 AbstractCegarLoop]: Abstraction has 5467 states and 15887 transitions. [2021-10-19 14:08:38,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:38,538 INFO L276 IsEmpty]: Start isEmpty. Operand 5467 states and 15887 transitions. [2021-10-19 14:08:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-19 14:08:38,544 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:08:38,544 INFO L517 BasicCegarLoop]: 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] [2021-10-19 14:08:38,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:08:38,544 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-10-19 14:08:38,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:08:38,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1855758391, now seen corresponding path program 1 times [2021-10-19 14:08:38,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:08:38,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320365719] [2021-10-19 14:08:38,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:08:38,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:08:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:08:38,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:08:38,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:08:38,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320365719] [2021-10-19 14:08:38,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320365719] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:08:38,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:08:38,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:08:38,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771190750] [2021-10-19 14:08:38,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:08:38,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:08:38,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:08:38,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:08:38,702 INFO L87 Difference]: Start difference. First operand 5467 states and 15887 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:38,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:08:38,753 INFO L93 Difference]: Finished difference Result 4961 states and 14324 transitions. [2021-10-19 14:08:38,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:08:38,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-10-19 14:08:38,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:08:38,766 INFO L225 Difference]: With dead ends: 4961 [2021-10-19 14:08:38,766 INFO L226 Difference]: Without dead ends: 4961 [2021-10-19 14:08:38,766 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.0ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:08:38,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4961 states. [2021-10-19 14:08:38,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4961 to 4961. [2021-10-19 14:08:38,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4961 states, 4952 states have (on average 2.892568659127625) internal successors, (14324), 4960 states have internal predecessors, (14324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:38,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4961 states to 4961 states and 14324 transitions. [2021-10-19 14:08:38,864 INFO L78 Accepts]: Start accepts. Automaton has 4961 states and 14324 transitions. Word has length 45 [2021-10-19 14:08:38,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:08:38,865 INFO L470 AbstractCegarLoop]: Abstraction has 4961 states and 14324 transitions. [2021-10-19 14:08:38,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:38,865 INFO L276 IsEmpty]: Start isEmpty. Operand 4961 states and 14324 transitions. [2021-10-19 14:08:38,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-19 14:08:38,866 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:08:38,866 INFO L517 BasicCegarLoop]: 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] [2021-10-19 14:08:38,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-19 14:08:38,867 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-10-19 14:08:38,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:08:38,867 INFO L82 PathProgramCache]: Analyzing trace with hash 413496126, now seen corresponding path program 1 times [2021-10-19 14:08:38,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:08:38,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056722502] [2021-10-19 14:08:38,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:08:38,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:08:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:08:38,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:08:38,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:08:38,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056722502] [2021-10-19 14:08:38,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056722502] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:08:38,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:08:38,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:08:38,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900838692] [2021-10-19 14:08:38,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:08:38,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:08:38,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:08:38,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:08:38,886 INFO L87 Difference]: Start difference. First operand 4961 states and 14324 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:38,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:08:38,966 INFO L93 Difference]: Finished difference Result 4754 states and 13725 transitions. [2021-10-19 14:08:38,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:08:38,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-10-19 14:08:38,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:08:38,976 INFO L225 Difference]: With dead ends: 4754 [2021-10-19 14:08:38,976 INFO L226 Difference]: Without dead ends: 4754 [2021-10-19 14:08:38,977 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:08:38,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4754 states. [2021-10-19 14:08:39,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4754 to 4754. [2021-10-19 14:08:39,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4754 states, 4747 states have (on average 2.8912997682747) internal successors, (13725), 4753 states have internal predecessors, (13725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:39,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4754 states to 4754 states and 13725 transitions. [2021-10-19 14:08:39,067 INFO L78 Accepts]: Start accepts. Automaton has 4754 states and 13725 transitions. Word has length 47 [2021-10-19 14:08:39,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:08:39,068 INFO L470 AbstractCegarLoop]: Abstraction has 4754 states and 13725 transitions. [2021-10-19 14:08:39,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:39,068 INFO L276 IsEmpty]: Start isEmpty. Operand 4754 states and 13725 transitions. [2021-10-19 14:08:39,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-19 14:08:39,078 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:08:39,078 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:08:39,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-19 14:08:39,078 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-10-19 14:08:39,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:08:39,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1848938315, now seen corresponding path program 1 times [2021-10-19 14:08:39,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:08:39,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137676095] [2021-10-19 14:08:39,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:08:39,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:08:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:08:39,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:08:39,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:08:39,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137676095] [2021-10-19 14:08:39,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137676095] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:08:39,149 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:08:39,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:08:39,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56865803] [2021-10-19 14:08:39,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:08:39,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:08:39,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:08:39,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:08:39,150 INFO L87 Difference]: Start difference. First operand 4754 states and 13725 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:39,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:08:39,194 INFO L93 Difference]: Finished difference Result 4732 states and 13680 transitions. [2021-10-19 14:08:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:08:39,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-10-19 14:08:39,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:08:39,205 INFO L225 Difference]: With dead ends: 4732 [2021-10-19 14:08:39,205 INFO L226 Difference]: Without dead ends: 4732 [2021-10-19 14:08:39,205 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.6ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:08:39,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4732 states. [2021-10-19 14:08:39,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4732 to 4732. [2021-10-19 14:08:39,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4732 states, 4726 states have (on average 2.8946254760897165) internal successors, (13680), 4731 states have internal predecessors, (13680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:39,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4732 states to 4732 states and 13680 transitions. [2021-10-19 14:08:39,333 INFO L78 Accepts]: Start accepts. Automaton has 4732 states and 13680 transitions. Word has length 68 [2021-10-19 14:08:39,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:08:39,334 INFO L470 AbstractCegarLoop]: Abstraction has 4732 states and 13680 transitions. [2021-10-19 14:08:39,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 4732 states and 13680 transitions. [2021-10-19 14:08:39,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-10-19 14:08:39,344 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:08:39,344 INFO L517 BasicCegarLoop]: 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] [2021-10-19 14:08:39,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-19 14:08:39,346 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-10-19 14:08:39,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:08:39,346 INFO L82 PathProgramCache]: Analyzing trace with hash 940286765, now seen corresponding path program 1 times [2021-10-19 14:08:39,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:08:39,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768026711] [2021-10-19 14:08:39,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:08:39,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:08:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:08:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:08:39,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:08:39,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768026711] [2021-10-19 14:08:39,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768026711] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:08:39,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:08:39,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:08:39,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430930074] [2021-10-19 14:08:39,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:08:39,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:08:39,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:08:39,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:08:39,405 INFO L87 Difference]: Start difference. First operand 4732 states and 13680 transitions. Second operand has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:39,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:08:39,429 INFO L93 Difference]: Finished difference Result 4729 states and 13677 transitions. [2021-10-19 14:08:39,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:08:39,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-10-19 14:08:39,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:08:39,439 INFO L225 Difference]: With dead ends: 4729 [2021-10-19 14:08:39,440 INFO L226 Difference]: Without dead ends: 4729 [2021-10-19 14:08:39,440 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:08:39,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4729 states. [2021-10-19 14:08:39,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4729 to 4729. [2021-10-19 14:08:39,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4729 states, 4726 states have (on average 2.8939906898011003) internal successors, (13677), 4728 states have internal predecessors, (13677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:39,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 4729 states and 13677 transitions. [2021-10-19 14:08:39,520 INFO L78 Accepts]: Start accepts. Automaton has 4729 states and 13677 transitions. Word has length 87 [2021-10-19 14:08:39,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:08:39,521 INFO L470 AbstractCegarLoop]: Abstraction has 4729 states and 13677 transitions. [2021-10-19 14:08:39,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:39,521 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 13677 transitions. [2021-10-19 14:08:39,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-19 14:08:39,530 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:08:39,530 INFO L517 BasicCegarLoop]: 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] [2021-10-19 14:08:39,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-19 14:08:39,530 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2021-10-19 14:08:39,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:08:39,531 INFO L82 PathProgramCache]: Analyzing trace with hash 914746160, now seen corresponding path program 1 times [2021-10-19 14:08:39,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:08:39,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039039180] [2021-10-19 14:08:39,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:08:39,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:08:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:08:39,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:08:39,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:08:39,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039039180] [2021-10-19 14:08:39,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039039180] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:08:39,556 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:08:39,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:08:39,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774528238] [2021-10-19 14:08:39,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:08:39,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:08:39,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:08:39,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:08:39,557 INFO L87 Difference]: Start difference. First operand 4729 states and 13677 transitions. Second operand has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:39,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:08:39,578 INFO L93 Difference]: Finished difference Result 4746 states and 13695 transitions. [2021-10-19 14:08:39,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:08:39,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-10-19 14:08:39,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:08:39,579 INFO L225 Difference]: With dead ends: 4746 [2021-10-19 14:08:39,579 INFO L226 Difference]: Without dead ends: 0 [2021-10-19 14:08:39,579 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:08:39,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-19 14:08:39,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-19 14:08:39,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:39,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-19 14:08:39,580 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2021-10-19 14:08:39,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:08:39,580 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-19 14:08:39,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:08:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-19 14:08:39,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-19 14:08:39,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:08:39,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-19 14:08:39,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,584 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,584 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,584 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,584 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,584 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,584 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,584 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:08:39,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-19 14:08:39,588 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:08:39,588 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:08:39,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:08:39 BasicIcfg [2021-10-19 14:08:39,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:08:39,591 INFO L168 Benchmark]: Toolchain (without parser) took 4528.68 ms. Allocated memory was 194.0 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 140.3 MB in the beginning and 1.1 GB in the end (delta: -974.1 MB). Peak memory consumption was 273.7 MB. Max. memory is 8.0 GB. [2021-10-19 14:08:39,591 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 194.0 MB. Free memory is still 156.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:08:39,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.44 ms. Allocated memory was 194.0 MB in the beginning and 316.7 MB in the end (delta: 122.7 MB). Free memory was 140.2 MB in the beginning and 290.5 MB in the end (delta: -150.3 MB). Peak memory consumption was 8.7 MB. Max. memory is 8.0 GB. [2021-10-19 14:08:39,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.79 ms. Allocated memory is still 316.7 MB. Free memory was 290.5 MB in the beginning and 288.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:08:39,592 INFO L168 Benchmark]: Boogie Preprocessor took 19.18 ms. Allocated memory is still 316.7 MB. Free memory was 288.4 MB in the beginning and 287.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:08:39,592 INFO L168 Benchmark]: RCFGBuilder took 328.97 ms. Allocated memory is still 316.7 MB. Free memory was 286.8 MB in the beginning and 270.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-10-19 14:08:39,592 INFO L168 Benchmark]: TraceAbstraction took 3900.07 ms. Allocated memory was 316.7 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 270.1 MB in the beginning and 1.1 GB in the end (delta: -844.4 MB). Peak memory consumption was 279.7 MB. Max. memory is 8.0 GB. [2021-10-19 14:08:39,593 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 194.0 MB. Free memory is still 156.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 248.44 ms. Allocated memory was 194.0 MB in the beginning and 316.7 MB in the end (delta: 122.7 MB). Free memory was 140.2 MB in the beginning and 290.5 MB in the end (delta: -150.3 MB). Peak memory consumption was 8.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.79 ms. Allocated memory is still 316.7 MB. Free memory was 290.5 MB in the beginning and 288.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.18 ms. Allocated memory is still 316.7 MB. Free memory was 288.4 MB in the beginning and 287.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 328.97 ms. Allocated memory is still 316.7 MB. Free memory was 286.8 MB in the beginning and 270.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3900.07 ms. Allocated memory was 316.7 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 270.1 MB in the beginning and 1.1 GB in the end (delta: -844.4 MB). Peak memory consumption was 279.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 219 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 3755.9ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 72.9ms, AutomataDifference: 909.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 194.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1801 SDtfs, 767 SDslu, 1496 SDs, 0 SdLazy, 119 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 97.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 71.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=7222occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1809.5ms AutomataMinimizationTime, 10 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 32.6ms SsaConstructionTime, 138.5ms SatisfiabilityAnalysisTime, 427.9ms InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 719 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-19 14:08:39,636 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...