/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/ldv-races/race-1_3b-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 22:42:26,770 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 22:42:26,886 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 [2021-10-16 22:42:26,910 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 22:42:26,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 22:42:26,911 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 22:42:26,911 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 22:42:26,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 22:42:26,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 22:42:26,912 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 22:42:26,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 22:42:26,912 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 22:42:26,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 22:42:26,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 22:42:26,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 22:42:26,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 22:42:26,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 22:42:26,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 22:42:26,913 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 22:42:26,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 22:42:26,914 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 22:42:26,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 22:42:26,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 22:42:26,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 22:42:26,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 22:42:26,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 22:42:26,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:42:26,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 22:42:26,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 22:42:26,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 22:42:26,915 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 22:42:26,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 22:42:26,915 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 22:42:26,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 22:42:26,916 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 22:42:27,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 22:42:27,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 22:42:27,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 22:42:27,137 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 22:42:27,137 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 22:42:27,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3b-join.i [2021-10-16 22:42:27,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/871c72f69/9221a5e6624c405bbfa04f2869cf57b7/FLAG0d992ab61 [2021-10-16 22:42:27,674 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 22:42:27,674 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3b-join.i [2021-10-16 22:42:27,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/871c72f69/9221a5e6624c405bbfa04f2869cf57b7/FLAG0d992ab61 [2021-10-16 22:42:27,709 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/871c72f69/9221a5e6624c405bbfa04f2869cf57b7 [2021-10-16 22:42:27,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 22:42:27,713 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 22:42:27,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 22:42:27,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 22:42:27,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 22:42:27,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:42:27" (1/1) ... [2021-10-16 22:42:27,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a93362d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:42:27, skipping insertion in model container [2021-10-16 22:42:27,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:42:27" (1/1) ... [2021-10-16 22:42:27,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 22:42:27,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 22:42:28,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3b-join.i[76069,76082] [2021-10-16 22:42:28,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:42:28,292 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 22:42:28,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3b-join.i[76069,76082] [2021-10-16 22:42:28,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:42:28,412 INFO L208 MainTranslator]: Completed translation [2021-10-16 22:42:28,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:42:28 WrapperNode [2021-10-16 22:42:28,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 22:42:28,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 22:42:28,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 22:42:28,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 22:42:28,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:42:28" (1/1) ... [2021-10-16 22:42:28,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:42:28" (1/1) ... [2021-10-16 22:42:28,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 22:42:28,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 22:42:28,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 22:42:28,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 22:42:28,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:42:28" (1/1) ... [2021-10-16 22:42:28,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:42:28" (1/1) ... [2021-10-16 22:42:28,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:42:28" (1/1) ... [2021-10-16 22:42:28,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:42:28" (1/1) ... [2021-10-16 22:42:28,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:42:28" (1/1) ... [2021-10-16 22:42:28,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:42:28" (1/1) ... [2021-10-16 22:42:28,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:42:28" (1/1) ... [2021-10-16 22:42:28,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 22:42:28,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 22:42:28,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 22:42:28,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 22:42:28,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:42:28" (1/1) ... [2021-10-16 22:42:28,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:42:28,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 22:42:28,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 22:42:28,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 22:42:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 22:42:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 22:42:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 22:42:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-16 22:42:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 22:42:28,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 22:42:28,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 22:42:28,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-16 22:42:28,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-16 22:42:28,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 22:42:28,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 22:42:28,554 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 22:42:28,907 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 22:42:28,908 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-16 22:42:28,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:42:28 BoogieIcfgContainer [2021-10-16 22:42:28,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 22:42:28,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 22:42:28,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 22:42:28,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 22:42:28,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:42:27" (1/3) ... [2021-10-16 22:42:28,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159cb11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:42:28, skipping insertion in model container [2021-10-16 22:42:28,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:42:28" (2/3) ... [2021-10-16 22:42:28,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159cb11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:42:28, skipping insertion in model container [2021-10-16 22:42:28,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:42:28" (3/3) ... [2021-10-16 22:42:28,914 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_3b-join.i [2021-10-16 22:42:28,917 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 22:42:28,918 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 22:42:28,918 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-10-16 22:42:28,918 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 22:42:28,955 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,955 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,955 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,955 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,956 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,956 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,956 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,956 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,956 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,957 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,957 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,957 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,957 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,957 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,959 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,959 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,959 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,959 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,959 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,961 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,962 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,962 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:42:28,973 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-16 22:42:29,009 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 22:42:29,014 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 [2021-10-16 22:42:29,015 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-16 22:42:29,026 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 133 places, 135 transitions, 278 flow [2021-10-16 22:42:29,069 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 565 states, 555 states have (on average 1.8018018018018018) internal successors, (1000), 564 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:42:29,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 565 states, 555 states have (on average 1.8018018018018018) internal successors, (1000), 564 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:42:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-16 22:42:29,075 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:42:29,076 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] [2021-10-16 22:42:29,076 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2021-10-16 22:42:29,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:42:29,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1175101077, now seen corresponding path program 1 times [2021-10-16 22:42:29,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:42:29,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902608056] [2021-10-16 22:42:29,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:42:29,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:42:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:42:29,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:42:29,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:42:29,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902608056] [2021-10-16 22:42:29,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902608056] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:42:29,368 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:42:29,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:42:29,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342737749] [2021-10-16 22:42:29,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:42:29,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:42:29,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:42:29,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:42:29,385 INFO L87 Difference]: Start difference. First operand has 565 states, 555 states have (on average 1.8018018018018018) internal successors, (1000), 564 states have internal predecessors, (1000), 0 states have call successors, (0), 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 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) [2021-10-16 22:42:29,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:42:29,450 INFO L93 Difference]: Finished difference Result 548 states and 955 transitions. [2021-10-16 22:42:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:42:29,451 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 [2021-10-16 22:42:29,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:42:29,466 INFO L225 Difference]: With dead ends: 548 [2021-10-16 22:42:29,466 INFO L226 Difference]: Without dead ends: 500 [2021-10-16 22:42:29,467 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:42:29,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2021-10-16 22:42:29,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2021-10-16 22:42:29,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 492 states have (on average 1.782520325203252) internal successors, (877), 499 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:42:29,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 877 transitions. [2021-10-16 22:42:29,521 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 877 transitions. Word has length 25 [2021-10-16 22:42:29,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:42:29,521 INFO L470 AbstractCegarLoop]: Abstraction has 500 states and 877 transitions. [2021-10-16 22:42:29,521 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) [2021-10-16 22:42:29,522 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 877 transitions. [2021-10-16 22:42:29,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-16 22:42:29,522 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:42:29,522 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] [2021-10-16 22:42:29,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 22:42:29,523 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2021-10-16 22:42:29,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:42:29,523 INFO L82 PathProgramCache]: Analyzing trace with hash -668558516, now seen corresponding path program 1 times [2021-10-16 22:42:29,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:42:29,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135544071] [2021-10-16 22:42:29,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:42:29,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:42:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:42:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:42:29,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:42:29,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135544071] [2021-10-16 22:42:29,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135544071] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:42:29,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:42:29,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:42:29,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5346488] [2021-10-16 22:42:29,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:42:29,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:42:29,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:42:29,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:42:29,609 INFO L87 Difference]: Start difference. First operand 500 states and 877 transitions. Second operand has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:42:29,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:42:29,637 INFO L93 Difference]: Finished difference Result 499 states and 876 transitions. [2021-10-16 22:42:29,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:42:29,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2021-10-16 22:42:29,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:42:29,639 INFO L225 Difference]: With dead ends: 499 [2021-10-16 22:42:29,639 INFO L226 Difference]: Without dead ends: 499 [2021-10-16 22:42:29,640 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:42:29,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2021-10-16 22:42:29,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2021-10-16 22:42:29,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 492 states have (on average 1.7804878048780488) internal successors, (876), 498 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:42:29,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 876 transitions. [2021-10-16 22:42:29,658 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 876 transitions. Word has length 40 [2021-10-16 22:42:29,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:42:29,659 INFO L470 AbstractCegarLoop]: Abstraction has 499 states and 876 transitions. [2021-10-16 22:42:29,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:42:29,659 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 876 transitions. [2021-10-16 22:42:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-16 22:42:29,661 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:42:29,662 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] [2021-10-16 22:42:29,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 22:42:29,662 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2021-10-16 22:42:29,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:42:29,668 INFO L82 PathProgramCache]: Analyzing trace with hash 2027021776, now seen corresponding path program 1 times [2021-10-16 22:42:29,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:42:29,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918214237] [2021-10-16 22:42:29,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:42:29,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:42:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:42:29,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:42:29,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:42:29,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918214237] [2021-10-16 22:42:29,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918214237] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:42:29,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:42:29,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:42:29,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406284928] [2021-10-16 22:42:29,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:42:29,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:42:29,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:42:29,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:42:29,734 INFO L87 Difference]: Start difference. First operand 499 states and 876 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) [2021-10-16 22:42:29,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:42:29,769 INFO L93 Difference]: Finished difference Result 517 states and 909 transitions. [2021-10-16 22:42:29,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:42:29,770 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 [2021-10-16 22:42:29,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:42:29,771 INFO L225 Difference]: With dead ends: 517 [2021-10-16 22:42:29,771 INFO L226 Difference]: Without dead ends: 475 [2021-10-16 22:42:29,771 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:42:29,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2021-10-16 22:42:29,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 458. [2021-10-16 22:42:29,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 452 states have (on average 1.7654867256637168) internal successors, (798), 457 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:42:29,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 798 transitions. [2021-10-16 22:42:29,782 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 798 transitions. Word has length 47 [2021-10-16 22:42:29,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:42:29,782 INFO L470 AbstractCegarLoop]: Abstraction has 458 states and 798 transitions. [2021-10-16 22:42:29,782 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) [2021-10-16 22:42:29,782 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 798 transitions. [2021-10-16 22:42:29,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-16 22:42:29,785 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:42:29,785 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] [2021-10-16 22:42:29,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 22:42:29,787 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2021-10-16 22:42:29,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:42:29,787 INFO L82 PathProgramCache]: Analyzing trace with hash -240842798, now seen corresponding path program 1 times [2021-10-16 22:42:29,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:42:29,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466306808] [2021-10-16 22:42:29,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:42:29,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:42:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:42:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:42:29,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:42:29,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466306808] [2021-10-16 22:42:29,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466306808] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:42:29,855 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:42:29,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:42:29,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230237192] [2021-10-16 22:42:29,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:42:29,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:42:29,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:42:29,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:42:29,857 INFO L87 Difference]: Start difference. First operand 458 states and 798 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:42:29,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:42:29,880 INFO L93 Difference]: Finished difference Result 460 states and 801 transitions. [2021-10-16 22:42:29,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:42:29,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2021-10-16 22:42:29,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:42:29,884 INFO L225 Difference]: With dead ends: 460 [2021-10-16 22:42:29,884 INFO L226 Difference]: Without dead ends: 436 [2021-10-16 22:42:29,885 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:42:29,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2021-10-16 22:42:29,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 430. [2021-10-16 22:42:29,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 426 states have (on average 1.7981220657276995) internal successors, (766), 429 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:42:29,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 766 transitions. [2021-10-16 22:42:29,911 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 766 transitions. Word has length 53 [2021-10-16 22:42:29,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:42:29,912 INFO L470 AbstractCegarLoop]: Abstraction has 430 states and 766 transitions. [2021-10-16 22:42:29,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:42:29,912 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 766 transitions. [2021-10-16 22:42:29,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-16 22:42:29,918 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:42:29,918 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] [2021-10-16 22:42:29,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 22:42:29,918 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2021-10-16 22:42:29,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:42:29,919 INFO L82 PathProgramCache]: Analyzing trace with hash -2046373553, now seen corresponding path program 1 times [2021-10-16 22:42:29,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:42:29,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929145291] [2021-10-16 22:42:29,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:42:29,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:42:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 22:42:29,958 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 22:42:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 22:42:30,003 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 22:42:30,003 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 22:42:30,005 WARN L672 BasicCegarLoop]: Found data race on ~pdev~0 between C: pdev = 4 [1718] and C: pdev = 6 [1699] [2021-10-16 22:42:30,005 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:42:30,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:42:30,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:42:30,007 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:42:30,008 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:42:30,010 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 22:42:30,010 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:42:30,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 22:42:30,017 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 22:42:30,017 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 22:42:30,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:42:30 BasicIcfg [2021-10-16 22:42:30,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 22:42:30,066 INFO L168 Benchmark]: Toolchain (without parser) took 2352.62 ms. Allocated memory was 194.0 MB in the beginning and 268.4 MB in the end (delta: 74.4 MB). Free memory was 167.2 MB in the beginning and 107.1 MB in the end (delta: 60.0 MB). Peak memory consumption was 134.7 MB. Max. memory is 8.0 GB. [2021-10-16 22:42:30,067 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 194.0 MB. Free memory was 158.0 MB in the beginning and 157.9 MB in the end (delta: 61.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 22:42:30,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.46 ms. Allocated memory is still 194.0 MB. Free memory was 167.2 MB in the beginning and 125.2 MB in the end (delta: 42.0 MB). Peak memory consumption was 44.3 MB. Max. memory is 8.0 GB. [2021-10-16 22:42:30,067 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.58 ms. Allocated memory is still 194.0 MB. Free memory was 125.2 MB in the beginning and 121.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:42:30,067 INFO L168 Benchmark]: Boogie Preprocessor took 27.19 ms. Allocated memory is still 194.0 MB. Free memory was 121.8 MB in the beginning and 119.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:42:30,068 INFO L168 Benchmark]: RCFGBuilder took 417.19 ms. Allocated memory was 194.0 MB in the beginning and 268.4 MB in the end (delta: 74.4 MB). Free memory was 119.5 MB in the beginning and 234.0 MB in the end (delta: -114.5 MB). Peak memory consumption was 15.0 MB. Max. memory is 8.0 GB. [2021-10-16 22:42:30,068 INFO L168 Benchmark]: TraceAbstraction took 1155.02 ms. Allocated memory is still 268.4 MB. Free memory was 233.5 MB in the beginning and 107.1 MB in the end (delta: 126.4 MB). Peak memory consumption was 126.9 MB. Max. memory is 8.0 GB. [2021-10-16 22:42:30,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 194.0 MB. Free memory was 158.0 MB in the beginning and 157.9 MB in the end (delta: 61.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 697.46 ms. Allocated memory is still 194.0 MB. Free memory was 167.2 MB in the beginning and 125.2 MB in the end (delta: 42.0 MB). Peak memory consumption was 44.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 50.58 ms. Allocated memory is still 194.0 MB. Free memory was 125.2 MB in the beginning and 121.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.19 ms. Allocated memory is still 194.0 MB. Free memory was 121.8 MB in the beginning and 119.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 417.19 ms. Allocated memory was 194.0 MB in the beginning and 268.4 MB in the end (delta: 74.4 MB). Free memory was 119.5 MB in the beginning and 234.0 MB in the end (delta: -114.5 MB). Peak memory consumption was 15.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1155.02 ms. Allocated memory is still 268.4 MB. Free memory was 233.5 MB in the beginning and 107.1 MB in the end (delta: 126.4 MB). Peak memory consumption was 126.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1718]: the program contains a data race the program contains a data race We found a FailurePath: [L1694] 0 pthread_t t1; VAL [t1={7:0}] [L1695] 0 pthread_mutex_t mutex; VAL [mutex={9:0}, t1={7:0}] [L1696] 0 int pdev; VAL [mutex={9:0}, pdev=0, t1={7:0}] [L1705] 0 pdev = 1 VAL [mutex={9:0}, pdev=1, t1={7:0}] [L1693] COND FALSE 0 !(!expression) VAL [mutex={9:0}, pdev=1, t1={7:0}] [L1707] COND TRUE 0 __VERIFIER_nondet_int() VAL [mutex={9:0}, pdev=1, t1={7:0}] [L1708] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={9:0}, pdev=1, t1={7:0}] [L1709] 0 return 0; VAL [arg={0:0}, mutex={9:0}, pdev=1, t1={7:0}] [L1726] COND FALSE 0 !(module_init()!=0) VAL [arg={0:0}, mutex={9:0}, pdev=1, t1={7:0}] [L1717] 0 void *status; VAL [arg={0:0}, mutex={9:0}, pdev=1, t1={7:0}] [L1718] 0 pdev = 4 VAL [arg={0:0}, mutex={9:0}, pdev=4, t1={7:0}] [L1699] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={9:0}, pdev=6, pdev = 6=1153, t1={7:0}] [L1718] 0 pdev = 4 VAL [arg={0:0}, arg={0:0}, mutex={9:0}, pdev=6, pdev = 6=1153, t1={7:0}] - UnprovableResult [Line: 1699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1722]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1708]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 144 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1007.2ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 16.9ms, AutomataDifference: 196.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 54.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 475 SDtfs, 47 SDslu, 365 SDs, 0 SdLazy, 76 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 56.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=565occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 97.2ms AutomataMinimizationTime, 4 MinimizatonAttempts, 23 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.1ms SsaConstructionTime, 115.3ms SatisfiabilityAnalysisTime, 235.9ms InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 161 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-16 22:42:30,103 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...