/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_3-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 16:36:35,298 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-03-01 16:36:35,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 16:36:35,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 16:36:35,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 16:36:35,372 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 [2022-03-01 16:36:35,397 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 16:36:35,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 16:36:35,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 16:36:35,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 16:36:35,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 16:36:35,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 16:36:35,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 16:36:35,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 16:36:35,399 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 16:36:35,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 16:36:35,400 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 16:36:35,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 16:36:35,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 16:36:35,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 16:36:35,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 16:36:35,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 16:36:35,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 16:36:35,401 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 16:36:35,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 16:36:35,401 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 16:36:35,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 16:36:35,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 16:36:35,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 16:36:35,401 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 16:36:35,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 16:36:35,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:36:35,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 16:36:35,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 16:36:35,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 16:36:35,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 16:36:35,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 16:36:35,402 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 16:36:35,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 16:36:35,402 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-01 16:36:35,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 16:36:35,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 16:36:35,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 16:36:35,590 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 16:36:35,590 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 16:36:35,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2022-03-01 16:36:35,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f84b69fa/db5583e988d44f4d95c61bdf0246915a/FLAG34bdade87 [2022-03-01 16:36:36,101 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 16:36:36,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2022-03-01 16:36:36,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f84b69fa/db5583e988d44f4d95c61bdf0246915a/FLAG34bdade87 [2022-03-01 16:36:36,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f84b69fa/db5583e988d44f4d95c61bdf0246915a [2022-03-01 16:36:36,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 16:36:36,145 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 16:36:36,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 16:36:36,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 16:36:36,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 16:36:36,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:36:36" (1/1) ... [2022-03-01 16:36:36,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eef21ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:36:36, skipping insertion in model container [2022-03-01 16:36:36,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:36:36" (1/1) ... [2022-03-01 16:36:36,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 16:36:36,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 16:36:36,755 WARN L230 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_3-join.i[76153,76166] [2022-03-01 16:36:36,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:36:36,802 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 16:36:36,842 WARN L230 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_3-join.i[76153,76166] [2022-03-01 16:36:36,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:36:36,960 INFO L208 MainTranslator]: Completed translation [2022-03-01 16:36:36,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:36:36 WrapperNode [2022-03-01 16:36:36,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 16:36:36,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 16:36:36,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 16:36:36,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 16:36:36,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:36:36" (1/1) ... [2022-03-01 16:36:36,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:36:36" (1/1) ... [2022-03-01 16:36:37,031 INFO L137 Inliner]: procedures = 482, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2022-03-01 16:36:37,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 16:36:37,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 16:36:37,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 16:36:37,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 16:36:37,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:36:36" (1/1) ... [2022-03-01 16:36:37,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:36:36" (1/1) ... [2022-03-01 16:36:37,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:36:36" (1/1) ... [2022-03-01 16:36:37,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:36:36" (1/1) ... [2022-03-01 16:36:37,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:36:36" (1/1) ... [2022-03-01 16:36:37,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:36:36" (1/1) ... [2022-03-01 16:36:37,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:36:36" (1/1) ... [2022-03-01 16:36:37,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 16:36:37,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 16:36:37,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 16:36:37,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 16:36:37,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:36:36" (1/1) ... [2022-03-01 16:36:37,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:36:37,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:36:37,116 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) [2022-03-01 16:36:37,131 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 [2022-03-01 16:36:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-01 16:36:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 16:36:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-01 16:36:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 16:36:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 16:36:37,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 16:36:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-01 16:36:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 16:36:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 16:36:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 16:36:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-01 16:36:37,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-01 16:36:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 16:36:37,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 16:36:37,192 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 16:36:37,433 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 16:36:37,434 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 16:36:37,578 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 16:36:37,600 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 16:36:37,600 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 16:36:37,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:36:37 BoogieIcfgContainer [2022-03-01 16:36:37,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 16:36:37,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 16:36:37,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 16:36:37,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 16:36:37,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 04:36:36" (1/3) ... [2022-03-01 16:36:37,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ec561b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:36:37, skipping insertion in model container [2022-03-01 16:36:37,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:36:36" (2/3) ... [2022-03-01 16:36:37,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ec561b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:36:37, skipping insertion in model container [2022-03-01 16:36:37,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:36:37" (3/3) ... [2022-03-01 16:36:37,607 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2022-03-01 16:36:37,610 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 16:36:37,611 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 16:36:37,611 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-03-01 16:36:37,611 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 16:36:37,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,631 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,631 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,631 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,632 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,632 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,633 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,636 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,636 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:36:37,638 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-01 16:36:37,668 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:36:37,673 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 16:36:37,673 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-03-01 16:36:37,681 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 134 places, 135 transitions, 278 flow [2022-03-01 16:36:37,713 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 363 states, 344 states have (on average 1.7093023255813953) internal successors, (588), 362 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:36:37,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 363 states, 344 states have (on average 1.7093023255813953) internal successors, (588), 362 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:36:37,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-03-01 16:36:37,719 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:36:37,720 INFO L514 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] [2022-03-01 16:36:37,720 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-03-01 16:36:37,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:36:37,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1933309414, now seen corresponding path program 1 times [2022-03-01 16:36:37,729 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:36:37,729 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819165684] [2022-03-01 16:36:37,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:36:37,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:36:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:36:38,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:36:38,125 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:36:38,126 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819165684] [2022-03-01 16:36:38,129 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819165684] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:36:38,129 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:36:38,129 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:36:38,131 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804231233] [2022-03-01 16:36:38,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:36:38,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:36:38,135 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:36:38,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:36:38,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:36:38,159 INFO L87 Difference]: Start difference. First operand has 363 states, 344 states have (on average 1.7093023255813953) internal successors, (588), 362 states have internal predecessors, (588), 0 states have call successors, (0), 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 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:36:38,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:36:38,208 INFO L93 Difference]: Finished difference Result 313 states and 494 transitions. [2022-03-01 16:36:38,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:36:38,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2022-03-01 16:36:38,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:36:38,216 INFO L225 Difference]: With dead ends: 313 [2022-03-01 16:36:38,216 INFO L226 Difference]: Without dead ends: 262 [2022-03-01 16:36:38,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:36:38,220 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:36:38,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 196 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:36:38,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2022-03-01 16:36:38,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2022-03-01 16:36:38,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 255 states have (on average 1.572549019607843) internal successors, (401), 261 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:36:38,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 401 transitions. [2022-03-01 16:36:38,267 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 401 transitions. Word has length 31 [2022-03-01 16:36:38,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:36:38,267 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 401 transitions. [2022-03-01 16:36:38,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:36:38,267 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 401 transitions. [2022-03-01 16:36:38,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-03-01 16:36:38,268 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:36:38,268 INFO L514 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] [2022-03-01 16:36:38,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 16:36:38,268 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-03-01 16:36:38,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:36:38,269 INFO L85 PathProgramCache]: Analyzing trace with hash -290385306, now seen corresponding path program 1 times [2022-03-01 16:36:38,269 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:36:38,269 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387249574] [2022-03-01 16:36:38,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:36:38,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:36:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:36:38,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:36:38,328 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:36:38,328 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387249574] [2022-03-01 16:36:38,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387249574] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:36:38,328 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:36:38,328 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:36:38,328 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530028354] [2022-03-01 16:36:38,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:36:38,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:36:38,329 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:36:38,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:36:38,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:36:38,330 INFO L87 Difference]: Start difference. First operand 262 states and 401 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:36:38,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:36:38,355 INFO L93 Difference]: Finished difference Result 297 states and 457 transitions. [2022-03-01 16:36:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:36:38,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-03-01 16:36:38,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:36:38,357 INFO L225 Difference]: With dead ends: 297 [2022-03-01 16:36:38,357 INFO L226 Difference]: Without dead ends: 294 [2022-03-01 16:36:38,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:36:38,358 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 56 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:36:38,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 159 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:36:38,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-03-01 16:36:38,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 256. [2022-03-01 16:36:38,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 252 states have (on average 1.5674603174603174) internal successors, (395), 255 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:36:38,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 395 transitions. [2022-03-01 16:36:38,368 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 395 transitions. Word has length 34 [2022-03-01 16:36:38,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:36:38,369 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 395 transitions. [2022-03-01 16:36:38,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:36:38,369 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 395 transitions. [2022-03-01 16:36:38,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-03-01 16:36:38,370 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:36:38,370 INFO L514 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] [2022-03-01 16:36:38,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 16:36:38,370 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-03-01 16:36:38,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:36:38,371 INFO L85 PathProgramCache]: Analyzing trace with hash 885505937, now seen corresponding path program 1 times [2022-03-01 16:36:38,371 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:36:38,371 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355864624] [2022-03-01 16:36:38,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:36:38,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:36:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:36:38,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:36:38,447 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:36:38,447 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355864624] [2022-03-01 16:36:38,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355864624] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:36:38,448 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:36:38,448 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:36:38,448 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856867772] [2022-03-01 16:36:38,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:36:38,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:36:38,448 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:36:38,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:36:38,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:36:38,449 INFO L87 Difference]: Start difference. First operand 256 states and 395 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) [2022-03-01 16:36:38,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:36:38,467 INFO L93 Difference]: Finished difference Result 255 states and 394 transitions. [2022-03-01 16:36:38,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:36:38,468 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 [2022-03-01 16:36:38,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:36:38,470 INFO L225 Difference]: With dead ends: 255 [2022-03-01 16:36:38,470 INFO L226 Difference]: Without dead ends: 255 [2022-03-01 16:36:38,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:36:38,471 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 1 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:36:38,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 172 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:36:38,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-03-01 16:36:38,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2022-03-01 16:36:38,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 252 states have (on average 1.5634920634920635) internal successors, (394), 254 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:36:38,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 394 transitions. [2022-03-01 16:36:38,481 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 394 transitions. Word has length 47 [2022-03-01 16:36:38,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:36:38,481 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 394 transitions. [2022-03-01 16:36:38,481 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) [2022-03-01 16:36:38,481 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 394 transitions. [2022-03-01 16:36:38,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-03-01 16:36:38,483 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:36:38,483 INFO L514 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] [2022-03-01 16:36:38,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 16:36:38,483 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-03-01 16:36:38,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:36:38,484 INFO L85 PathProgramCache]: Analyzing trace with hash 709777903, now seen corresponding path program 1 times [2022-03-01 16:36:38,484 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:36:38,484 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288995719] [2022-03-01 16:36:38,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:36:38,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:36:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:36:38,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:36:38,620 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:36:38,620 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288995719] [2022-03-01 16:36:38,621 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288995719] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:36:38,621 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:36:38,621 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 16:36:38,621 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104326424] [2022-03-01 16:36:38,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:36:38,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 16:36:38,621 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:36:38,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 16:36:38,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:36:38,622 INFO L87 Difference]: Start difference. First operand 255 states and 394 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:36:38,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:36:38,684 INFO L93 Difference]: Finished difference Result 246 states and 378 transitions. [2022-03-01 16:36:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 16:36:38,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2022-03-01 16:36:38,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:36:38,686 INFO L225 Difference]: With dead ends: 246 [2022-03-01 16:36:38,686 INFO L226 Difference]: Without dead ends: 215 [2022-03-01 16:36:38,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:36:38,688 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 37 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-01 16:36:38,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 452 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-01 16:36:38,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2022-03-01 16:36:38,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2022-03-01 16:36:38,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 214 states have (on average 1.6214953271028036) internal successors, (347), 214 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:36:38,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 347 transitions. [2022-03-01 16:36:38,696 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 347 transitions. Word has length 66 [2022-03-01 16:36:38,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:36:38,696 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 347 transitions. [2022-03-01 16:36:38,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:36:38,697 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 347 transitions. [2022-03-01 16:36:38,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-03-01 16:36:38,708 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:36:38,708 INFO L514 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] [2022-03-01 16:36:38,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 16:36:38,709 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-03-01 16:36:38,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:36:38,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1075768948, now seen corresponding path program 1 times [2022-03-01 16:36:38,709 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:36:38,709 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659595865] [2022-03-01 16:36:38,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:36:38,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:36:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:36:38,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:36:38,824 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:36:38,824 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659595865] [2022-03-01 16:36:38,825 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659595865] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:36:38,825 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:36:38,825 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:36:38,825 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715914750] [2022-03-01 16:36:38,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:36:38,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:36:38,825 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:36:38,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:36:38,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:36:38,826 INFO L87 Difference]: Start difference. First operand 215 states and 347 transitions. Second operand has 3 states, 2 states have (on average 40.5) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:36:38,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:36:38,841 INFO L93 Difference]: Finished difference Result 214 states and 346 transitions. [2022-03-01 16:36:38,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:36:38,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 40.5) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-03-01 16:36:38,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:36:38,842 INFO L225 Difference]: With dead ends: 214 [2022-03-01 16:36:38,842 INFO L226 Difference]: Without dead ends: 0 [2022-03-01 16:36:38,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:36:38,848 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:36:38,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:36:38,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-01 16:36:38,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-01 16:36:38,850 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) [2022-03-01 16:36:38,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-01 16:36:38,851 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2022-03-01 16:36:38,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:36:38,851 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-01 16:36:38,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 40.5) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:36:38,851 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-01 16:36:38,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-01 16:36:38,853 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2022-03-01 16:36:38,854 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2022-03-01 16:36:38,855 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2022-03-01 16:36:38,855 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2022-03-01 16:36:38,856 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2022-03-01 16:36:38,856 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2022-03-01 16:36:38,856 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2022-03-01 16:36:38,856 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2022-03-01 16:36:38,857 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2022-03-01 16:36:38,857 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2022-03-01 16:36:38,857 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 12 remaining) [2022-03-01 16:36:38,857 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2022-03-01 16:36:38,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-01 16:36:38,862 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-03-01 16:36:38,865 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 16:36:38,865 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 16:36:38,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 04:36:38 BasicIcfg [2022-03-01 16:36:38,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 16:36:38,873 INFO L158 Benchmark]: Toolchain (without parser) took 2727.49ms. Allocated memory was 220.2MB in the beginning and 278.9MB in the end (delta: 58.7MB). Free memory was 190.2MB in the beginning and 172.5MB in the end (delta: 17.6MB). Peak memory consumption was 76.3MB. Max. memory is 8.0GB. [2022-03-01 16:36:38,873 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 220.2MB. Free memory is still 179.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 16:36:38,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 815.06ms. Allocated memory was 220.2MB in the beginning and 278.9MB in the end (delta: 58.7MB). Free memory was 189.9MB in the beginning and 202.1MB in the end (delta: -12.2MB). Peak memory consumption was 46.9MB. Max. memory is 8.0GB. [2022-03-01 16:36:38,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.99ms. Allocated memory is still 278.9MB. Free memory was 202.1MB in the beginning and 198.8MB in the end (delta: 3.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-01 16:36:38,874 INFO L158 Benchmark]: Boogie Preprocessor took 40.28ms. Allocated memory is still 278.9MB. Free memory was 198.8MB in the beginning and 196.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-01 16:36:38,874 INFO L158 Benchmark]: RCFGBuilder took 528.81ms. Allocated memory is still 278.9MB. Free memory was 196.2MB in the beginning and 229.3MB in the end (delta: -33.0MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-03-01 16:36:38,874 INFO L158 Benchmark]: TraceAbstraction took 1269.31ms. Allocated memory is still 278.9MB. Free memory was 228.7MB in the beginning and 172.5MB in the end (delta: 56.2MB). Peak memory consumption was 55.7MB. Max. memory is 8.0GB. [2022-03-01 16:36:38,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 220.2MB. Free memory is still 179.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 815.06ms. Allocated memory was 220.2MB in the beginning and 278.9MB in the end (delta: 58.7MB). Free memory was 189.9MB in the beginning and 202.1MB in the end (delta: -12.2MB). Peak memory consumption was 46.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 69.99ms. Allocated memory is still 278.9MB. Free memory was 202.1MB in the beginning and 198.8MB in the end (delta: 3.2MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.28ms. Allocated memory is still 278.9MB. Free memory was 198.8MB in the beginning and 196.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 528.81ms. Allocated memory is still 278.9MB. Free memory was 196.2MB in the beginning and 229.3MB in the end (delta: -33.0MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * TraceAbstraction took 1269.31ms. Allocated memory is still 278.9MB. Free memory was 228.7MB in the beginning and 172.5MB in the end (delta: 56.2MB). Peak memory consumption was 55.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1726]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1731]: 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 3 procedures, 141 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 1122 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 667 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 484 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=363occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 38 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 343 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-01 16:36:38,914 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...