/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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.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/goblint-regression/04-mutex_44-malloc_sound.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 09:51:40,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 09:51:40,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 09:51:40,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 09:51:41,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 09:51:41,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 09:51:41,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 09:51:41,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 09:51:41,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 09:51:41,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 09:51:41,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 09:51:41,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 09:51:41,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 09:51:41,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 09:51:41,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 09:51:41,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 09:51:41,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 09:51:41,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 09:51:41,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 09:51:41,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 09:51:41,040 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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-02-19 09:51:41,073 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 09:51:41,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 09:51:41,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 09:51:41,074 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 09:51:41,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 09:51:41,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 09:51:41,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 09:51:41,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 09:51:41,075 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 09:51:41,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 09:51:41,076 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 09:51:41,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 09:51:41,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 09:51:41,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 09:51:41,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 09:51:41,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 09:51:41,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 09:51:41,077 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 09:51:41,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 09:51:41,078 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 09:51:41,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 09:51:41,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 09:51:41,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 09:51:41,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 09:51:41,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 09:51:41,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 09:51:41,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 09:51:41,080 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 09:51:41,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 09:51:41,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 09:51:41,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 09:51:41,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 09:51:41,081 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 09:51:41,081 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 09:51:41,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 09:51:41,081 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 09:51:41,081 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 09:51:41,081 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 09:51:41,082 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-19 09:51:41,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 09:51:41,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 09:51:41,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 09:51:41,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 09:51:41,332 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 09:51:41,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_44-malloc_sound.i [2022-02-19 09:51:41,389 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fd4bb18a/2cc3b8e1c7fe43b9bceaeabd1993a408/FLAG0a2b04fa9 [2022-02-19 09:51:41,916 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 09:51:41,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_44-malloc_sound.i [2022-02-19 09:51:41,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fd4bb18a/2cc3b8e1c7fe43b9bceaeabd1993a408/FLAG0a2b04fa9 [2022-02-19 09:51:42,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5fd4bb18a/2cc3b8e1c7fe43b9bceaeabd1993a408 [2022-02-19 09:51:42,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 09:51:42,361 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 09:51:42,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 09:51:42,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 09:51:42,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 09:51:42,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:51:42" (1/1) ... [2022-02-19 09:51:42,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f6508e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:51:42, skipping insertion in model container [2022-02-19 09:51:42,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 09:51:42" (1/1) ... [2022-02-19 09:51:42,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 09:51:42,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 09:51:42,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 09:51:42,814 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 09:51:42,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 09:51:42,887 INFO L208 MainTranslator]: Completed translation [2022-02-19 09:51:42,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:51:42 WrapperNode [2022-02-19 09:51:42,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 09:51:42,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 09:51:42,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 09:51:42,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 09:51:42,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:51:42" (1/1) ... [2022-02-19 09:51:42,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:51:42" (1/1) ... [2022-02-19 09:51:42,933 INFO L137 Inliner]: procedures = 263, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2022-02-19 09:51:42,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 09:51:42,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 09:51:42,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 09:51:42,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 09:51:42,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:51:42" (1/1) ... [2022-02-19 09:51:42,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:51:42" (1/1) ... [2022-02-19 09:51:42,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:51:42" (1/1) ... [2022-02-19 09:51:42,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:51:42" (1/1) ... [2022-02-19 09:51:42,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:51:42" (1/1) ... [2022-02-19 09:51:42,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:51:42" (1/1) ... [2022-02-19 09:51:42,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:51:42" (1/1) ... [2022-02-19 09:51:42,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 09:51:42,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 09:51:42,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 09:51:42,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 09:51:42,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:51:42" (1/1) ... [2022-02-19 09:51:42,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 09:51:42,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 09:51:42,993 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) [2022-02-19 09:51:42,999 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 [2022-02-19 09:51:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-02-19 09:51:43,024 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-02-19 09:51:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 09:51:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 09:51:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 09:51:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 09:51:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-19 09:51:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 09:51:43,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 09:51:43,027 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 09:51:43,194 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 09:51:43,195 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 09:51:43,411 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 09:51:43,417 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 09:51:43,417 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-19 09:51:43,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:51:43 BoogieIcfgContainer [2022-02-19 09:51:43,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 09:51:43,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 09:51:43,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 09:51:43,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 09:51:43,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 09:51:42" (1/3) ... [2022-02-19 09:51:43,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669a1162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:51:43, skipping insertion in model container [2022-02-19 09:51:43,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 09:51:42" (2/3) ... [2022-02-19 09:51:43,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@669a1162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 09:51:43, skipping insertion in model container [2022-02-19 09:51:43,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 09:51:43" (3/3) ... [2022-02-19 09:51:43,434 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_44-malloc_sound.i [2022-02-19 09:51:43,438 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 09:51:43,438 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 09:51:43,438 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-02-19 09:51:43,438 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 09:51:43,479 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~x.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,479 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~x.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,479 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,479 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,480 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~x.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,481 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~x.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,481 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,481 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,482 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,483 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,484 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,484 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,485 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,485 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,485 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,485 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,486 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,486 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,486 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,486 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,486 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,487 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,487 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,488 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,488 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,489 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,489 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,489 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,490 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,490 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,491 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,491 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,496 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,497 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,497 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,497 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,497 WARN L322 ript$VariableManager]: TermVariabe fThread1of1ForFork0_~x.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,497 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,498 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 09:51:43,501 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-19 09:51:43,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 09:51:43,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 09:51:43,558 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 09:51:43,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 09:51:43,586 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 09:51:43,593 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=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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=false, mMcrOverapproximateWrwc=false [2022-02-19 09:51:43,594 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-02-19 09:51:43,653 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 36 transitions and produced 37 states. [2022-02-19 09:51:43,655 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:51:43,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:51:43,663 INFO L85 PathProgramCache]: Analyzing trace with hash -510509479, now seen corresponding path program 1 times [2022-02-19 09:51:43,673 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:51:43,674 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713107156] [2022-02-19 09:51:43,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:43,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:51:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:43,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 09:51:43,840 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:51:43,840 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713107156] [2022-02-19 09:51:43,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713107156] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 09:51:43,842 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 09:51:43,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 09:51:43,843 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019050669] [2022-02-19 09:51:43,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 09:51:43,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 09:51:43,848 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:51:43,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 09:51:43,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 09:51:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:43,872 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:51:43,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 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) [2022-02-19 09:51:43,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:43,892 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 36 transitions and produced 37 states. [2022-02-19 09:51:43,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:43,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 09:51:43,893 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:51:43,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:51:43,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1987506458, now seen corresponding path program 1 times [2022-02-19 09:51:43,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:51:43,897 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436323281] [2022-02-19 09:51:43,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:43,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:51:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:43,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 09:51:43,999 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:51:44,000 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436323281] [2022-02-19 09:51:44,000 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436323281] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 09:51:44,001 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 09:51:44,001 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 09:51:44,002 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992435625] [2022-02-19 09:51:44,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 09:51:44,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 09:51:44,006 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:51:44,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 09:51:44,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 09:51:44,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:44,010 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:51:44,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-02-19 09:51:44,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:44,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:44,059 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 50 transitions and produced 51 states. [2022-02-19 09:51:44,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:44,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:44,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 09:51:44,061 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:51:44,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:51:44,061 INFO L85 PathProgramCache]: Analyzing trace with hash 2038686019, now seen corresponding path program 1 times [2022-02-19 09:51:44,061 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:51:44,062 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108730187] [2022-02-19 09:51:44,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:44,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:51:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:44,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 09:51:44,195 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:51:44,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108730187] [2022-02-19 09:51:44,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108730187] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 09:51:44,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486840951] [2022-02-19 09:51:44,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:44,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 09:51:44,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 09:51:44,199 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 09:51:44,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 09:51:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:44,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-19 09:51:44,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 09:51:44,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 09:51:44,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-19 09:51:44,413 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486840951] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 09:51:44,413 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-19 09:51:44,414 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-19 09:51:44,414 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207358964] [2022-02-19 09:51:44,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 09:51:44,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 09:51:44,415 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:51:44,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 09:51:44,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-19 09:51:44,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:44,416 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:51:44,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-02-19 09:51:44,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:44,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:44,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:44,442 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 61 transitions and produced 62 states. [2022-02-19 09:51:44,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:44,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:44,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:44,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 09:51:44,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-19 09:51:44,660 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:51:44,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:51:44,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1859173889, now seen corresponding path program 1 times [2022-02-19 09:51:44,661 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:51:44,661 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619266778] [2022-02-19 09:51:44,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:44,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:51:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:44,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 09:51:44,740 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:51:44,741 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619266778] [2022-02-19 09:51:44,741 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619266778] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 09:51:44,742 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422917371] [2022-02-19 09:51:44,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:44,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 09:51:44,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 09:51:44,744 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 09:51:44,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 09:51:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:44,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-19 09:51:44,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 09:51:44,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 09:51:44,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-19 09:51:44,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422917371] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 09:51:44,877 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-19 09:51:44,878 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-19 09:51:44,878 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046459119] [2022-02-19 09:51:44,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 09:51:44,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 09:51:44,878 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:51:44,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 09:51:44,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-19 09:51:44,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:44,879 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:51:44,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2022-02-19 09:51:44,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:44,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:44,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:44,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:44,902 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 70 transitions and produced 71 states. [2022-02-19 09:51:44,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:44,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:44,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:44,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:44,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 09:51:45,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 09:51:45,122 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:51:45,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:51:45,123 INFO L85 PathProgramCache]: Analyzing trace with hash -55772877, now seen corresponding path program 1 times [2022-02-19 09:51:45,123 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:51:45,123 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734018711] [2022-02-19 09:51:45,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:45,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:51:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:45,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 09:51:45,193 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:51:45,193 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734018711] [2022-02-19 09:51:45,193 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734018711] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 09:51:45,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450064891] [2022-02-19 09:51:45,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:45,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 09:51:45,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 09:51:45,196 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 09:51:45,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 09:51:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:45,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-19 09:51:45,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 09:51:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 09:51:45,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-19 09:51:45,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450064891] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 09:51:45,363 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-19 09:51:45,363 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-19 09:51:45,363 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043848533] [2022-02-19 09:51:45,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 09:51:45,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 09:51:45,364 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:51:45,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 09:51:45,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-19 09:51:45,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:45,365 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:51:45,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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) [2022-02-19 09:51:45,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:45,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:45,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:45,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:45,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:45,399 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 96 transitions and produced 97 states. [2022-02-19 09:51:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:45,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 09:51:45,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 09:51:45,604 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:51:45,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:51:45,604 INFO L85 PathProgramCache]: Analyzing trace with hash 307642162, now seen corresponding path program 1 times [2022-02-19 09:51:45,605 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:51:45,605 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859000247] [2022-02-19 09:51:45,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:45,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:51:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:45,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 09:51:45,670 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:51:45,670 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859000247] [2022-02-19 09:51:45,670 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859000247] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 09:51:45,670 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56816289] [2022-02-19 09:51:45,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:45,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 09:51:45,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 09:51:45,672 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 09:51:45,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 09:51:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:45,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-19 09:51:45,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 09:51:45,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 09:51:45,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-19 09:51:45,885 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56816289] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 09:51:45,885 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-19 09:51:45,885 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-19 09:51:45,886 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945365354] [2022-02-19 09:51:45,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 09:51:45,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 09:51:45,886 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:51:45,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 09:51:45,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-19 09:51:45,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:45,887 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:51:45,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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) [2022-02-19 09:51:45,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:45,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:45,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:45,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:45,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:45,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:45,933 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 100 transitions and produced 101 states. [2022-02-19 09:51:45,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:45,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:45,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:45,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:45,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:45,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:45,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-19 09:51:46,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 09:51:46,159 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:51:46,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:51:46,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1917912757, now seen corresponding path program 1 times [2022-02-19 09:51:46,160 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:51:46,160 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900596714] [2022-02-19 09:51:46,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:46,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:51:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:46,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 09:51:46,218 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:51:46,218 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900596714] [2022-02-19 09:51:46,218 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900596714] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 09:51:46,218 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448945861] [2022-02-19 09:51:46,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:46,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 09:51:46,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 09:51:46,220 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 09:51:46,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 09:51:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:46,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-19 09:51:46,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 09:51:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 09:51:46,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-19 09:51:46,405 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448945861] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 09:51:46,405 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-19 09:51:46,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-02-19 09:51:46,406 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063387805] [2022-02-19 09:51:46,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 09:51:46,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 09:51:46,406 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:51:46,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 09:51:46,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-19 09:51:46,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:46,407 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:51:46,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 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) [2022-02-19 09:51:46,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:46,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:46,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:46,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:46,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:46,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:46,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:46,516 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 636 transitions and produced 394 states. [2022-02-19 09:51:46,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:46,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:46,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:46,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:46,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:46,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:46,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:46,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 09:51:46,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 09:51:46,728 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:51:46,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:51:46,729 INFO L85 PathProgramCache]: Analyzing trace with hash 20040383, now seen corresponding path program 1 times [2022-02-19 09:51:46,729 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:51:46,729 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105255520] [2022-02-19 09:51:46,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:46,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:51:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:46,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 09:51:46,779 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:51:46,780 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105255520] [2022-02-19 09:51:46,780 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105255520] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 09:51:46,780 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869422952] [2022-02-19 09:51:46,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:46,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 09:51:46,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 09:51:46,784 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 09:51:46,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 09:51:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:46,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-19 09:51:46,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 09:51:46,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 09:51:46,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 09:51:47,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 09:51:47,061 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869422952] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 09:51:47,061 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 09:51:47,061 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-19 09:51:47,061 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269194650] [2022-02-19 09:51:47,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 09:51:47,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 09:51:47,062 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:51:47,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 09:51:47,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-19 09:51:47,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:47,063 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:51:47,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 09:51:47,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:47,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:47,320 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 58 transitions and produced 59 states. [2022-02-19 09:51:47,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:47,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 09:51:47,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-19 09:51:47,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 09:51:47,548 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:51:47,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:51:47,548 INFO L85 PathProgramCache]: Analyzing trace with hash -2060887073, now seen corresponding path program 1 times [2022-02-19 09:51:47,549 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:51:47,549 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423112009] [2022-02-19 09:51:47,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:47,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:51:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-02-19 09:51:47,578 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:51:47,578 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423112009] [2022-02-19 09:51:47,578 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423112009] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 09:51:47,578 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 09:51:47,578 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 09:51:47,578 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332432680] [2022-02-19 09:51:47,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 09:51:47,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 09:51:47,579 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:51:47,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 09:51:47,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 09:51:47,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:47,580 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:51:47,580 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) [2022-02-19 09:51:47,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:47,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 09:51:47,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:47,708 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 66 transitions and produced 67 states. [2022-02-19 09:51:47,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:47,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 09:51:47,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-19 09:51:47,710 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:51:47,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:51:47,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1969248906, now seen corresponding path program 1 times [2022-02-19 09:51:47,710 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:51:47,710 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85471227] [2022-02-19 09:51:47,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:47,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:51:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:47,760 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-02-19 09:51:47,761 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:51:47,761 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85471227] [2022-02-19 09:51:47,761 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85471227] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 09:51:47,761 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 09:51:47,761 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 09:51:47,761 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79535588] [2022-02-19 09:51:47,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 09:51:47,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 09:51:47,762 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:51:47,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 09:51:47,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 09:51:47,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:47,763 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:51:47,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-02-19 09:51:47,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:47,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 09:51:47,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:47,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:48,700 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 263 transitions and produced 263 states. [2022-02-19 09:51:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:48,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 09:51:48,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:48,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:48,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-19 09:51:48,703 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:51:48,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:51:48,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1501465487, now seen corresponding path program 2 times [2022-02-19 09:51:48,704 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:51:48,704 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130074652] [2022-02-19 09:51:48,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:48,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:51:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:48,795 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2022-02-19 09:51:48,795 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:51:48,796 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130074652] [2022-02-19 09:51:48,796 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130074652] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 09:51:48,796 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 09:51:48,796 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 09:51:48,796 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011479338] [2022-02-19 09:51:48,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 09:51:48,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 09:51:48,797 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:51:48,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 09:51:48,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 09:51:48,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:48,797 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:51:48,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-02-19 09:51:48,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:48,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:48,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:48,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:48,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:48,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:48,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:48,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 09:51:48,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:48,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:48,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:58,361 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1621 transitions and produced 1370 states. [2022-02-19 09:51:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:51:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 09:51:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:51:58,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-19 09:51:58,363 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:51:58,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:51:58,363 INFO L85 PathProgramCache]: Analyzing trace with hash -915791864, now seen corresponding path program 1 times [2022-02-19 09:51:58,363 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:51:58,363 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956118938] [2022-02-19 09:51:58,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:58,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:51:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:58,751 INFO L134 CoverageAnalysis]: Checked inductivity of 15619 backedges. 6243 proven. 1 refuted. 0 times theorem prover too weak. 9375 trivial. 0 not checked. [2022-02-19 09:51:58,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:51:58,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956118938] [2022-02-19 09:51:58,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956118938] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 09:51:58,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991832330] [2022-02-19 09:51:58,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:51:58,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 09:51:58,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 09:51:58,753 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 09:51:58,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-19 09:51:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:51:59,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 2023 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-19 09:51:59,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 09:52:00,112 INFO L134 CoverageAnalysis]: Checked inductivity of 15619 backedges. 1207 proven. 22 refuted. 0 times theorem prover too weak. 14390 trivial. 0 not checked. [2022-02-19 09:52:00,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 09:52:01,103 INFO L134 CoverageAnalysis]: Checked inductivity of 15619 backedges. 1207 proven. 22 refuted. 0 times theorem prover too weak. 14390 trivial. 0 not checked. [2022-02-19 09:52:01,103 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991832330] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 09:52:01,103 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 09:52:01,104 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 10 [2022-02-19 09:52:01,104 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714994446] [2022-02-19 09:52:01,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 09:52:01,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 09:52:01,106 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:52:01,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 09:52:01,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-19 09:52:01,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:01,107 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:52:01,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.8) internal successors, (118), 10 states have internal predecessors, (118), 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) [2022-02-19 09:52:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 09:52:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:01,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:07,024 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 881 transitions and produced 638 states. [2022-02-19 09:52:07,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:07,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 09:52:07,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-19 09:52:07,046 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-02-19 09:52:07,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-19 09:52:07,228 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:52:07,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:52:07,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1650117788, now seen corresponding path program 1 times [2022-02-19 09:52:07,229 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:52:07,229 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289995095] [2022-02-19 09:52:07,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:52:07,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:52:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:52:07,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 516 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2022-02-19 09:52:07,308 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:52:07,310 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289995095] [2022-02-19 09:52:07,310 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289995095] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 09:52:07,310 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 09:52:07,310 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 09:52:07,310 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515623042] [2022-02-19 09:52:07,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 09:52:07,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 09:52:07,311 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:52:07,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 09:52:07,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-19 09:52:07,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:07,312 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:52:07,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2022-02-19 09:52:07,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:07,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 09:52:07,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-19 09:52:07,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:12,740 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 698 transitions and produced 456 states. [2022-02-19 09:52:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 09:52:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-19 09:52:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 09:52:12,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-19 09:52:12,742 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:52:12,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:52:12,742 INFO L85 PathProgramCache]: Analyzing trace with hash 668534002, now seen corresponding path program 2 times [2022-02-19 09:52:12,742 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:52:12,742 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030367481] [2022-02-19 09:52:12,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:52:12,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:52:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:52:12,813 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-02-19 09:52:12,813 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:52:12,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030367481] [2022-02-19 09:52:12,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030367481] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 09:52:12,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92151673] [2022-02-19 09:52:12,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 09:52:12,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 09:52:12,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 09:52:12,815 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 09:52:12,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-19 09:52:12,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 09:52:12,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 09:52:12,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-19 09:52:12,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 09:52:13,054 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-02-19 09:52:13,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 09:52:13,216 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-02-19 09:52:13,217 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92151673] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 09:52:13,217 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 09:52:13,217 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2022-02-19 09:52:13,217 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597706947] [2022-02-19 09:52:13,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 09:52:13,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-19 09:52:13,218 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:52:13,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-19 09:52:13,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-02-19 09:52:13,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:13,219 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:52:13,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 09:52:13,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:13,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:13,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:13,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:13,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:13,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:13,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:13,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 09:52:13,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:13,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:13,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:13,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-19 09:52:13,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 09:52:13,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:19,826 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1003 transitions and produced 756 states. [2022-02-19 09:52:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 09:52:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-19 09:52:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 09:52:19,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 09:52:19,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-19 09:52:20,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-02-19 09:52:20,029 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:52:20,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:52:20,029 INFO L85 PathProgramCache]: Analyzing trace with hash 141147086, now seen corresponding path program 2 times [2022-02-19 09:52:20,029 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:52:20,029 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116357722] [2022-02-19 09:52:20,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:52:20,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:52:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:52:20,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 1152 proven. 0 refuted. 0 times theorem prover too weak. 1299 trivial. 0 not checked. [2022-02-19 09:52:20,127 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:52:20,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116357722] [2022-02-19 09:52:20,127 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116357722] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 09:52:20,127 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 09:52:20,127 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 09:52:20,128 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125041801] [2022-02-19 09:52:20,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 09:52:20,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 09:52:20,128 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:52:20,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 09:52:20,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-19 09:52:20,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:20,131 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:52:20,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2022-02-19 09:52:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 09:52:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:20,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-19 09:52:20,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 09:52:20,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 09:52:20,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:26,174 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 760 transitions and produced 518 states. [2022-02-19 09:52:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 09:52:26,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-19 09:52:26,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 09:52:26,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 09:52:26,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 09:52:26,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-19 09:52:26,176 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:52:26,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:52:26,176 INFO L85 PathProgramCache]: Analyzing trace with hash 650111698, now seen corresponding path program 3 times [2022-02-19 09:52:26,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:52:26,177 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755221187] [2022-02-19 09:52:26,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:52:26,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:52:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 09:52:26,253 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 270 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-19 09:52:26,254 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 09:52:26,254 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755221187] [2022-02-19 09:52:26,254 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755221187] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 09:52:26,254 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77857358] [2022-02-19 09:52:26,254 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 09:52:26,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 09:52:26,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 09:52:26,284 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 09:52:26,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-19 09:52:26,438 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-02-19 09:52:26,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 09:52:26,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-19 09:52:26,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 09:52:26,655 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 270 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-19 09:52:26,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 09:52:26,850 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 270 proven. 33 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-19 09:52:26,850 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77857358] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 09:52:26,851 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 09:52:26,851 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 9 [2022-02-19 09:52:26,852 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128462385] [2022-02-19 09:52:26,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 09:52:26,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-19 09:52:26,852 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 09:52:26,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-19 09:52:26,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-19 09:52:26,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:26,854 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 09:52:26,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 9 states have internal predecessors, (98), 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) [2022-02-19 09:52:26,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:26,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 09:52:26,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:26,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-19 09:52:26,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 09:52:26,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 09:52:26,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-19 09:52:26,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:27,356 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 212 transitions and produced 207 states. [2022-02-19 09:52:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 09:52:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 09:52:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 09:52:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-19 09:52:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 09:52:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 09:52:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-19 09:52:27,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 09:52:27,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-19 09:52:27,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-19 09:52:27,559 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-19 09:52:27,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 09:52:27,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1852366523, now seen corresponding path program 4 times [2022-02-19 09:52:27,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 09:52:27,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582621844] [2022-02-19 09:52:27,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 09:52:27,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 09:52:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 09:52:27,615 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 09:52:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 09:52:27,698 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 09:52:27,699 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 09:52:27,700 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2022-02-19 09:52:27,701 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2022-02-19 09:52:27,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr1ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2022-02-19 09:52:27,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr2ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2022-02-19 09:52:27,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2022-02-19 09:52:27,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2022-02-19 09:52:27,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2022-02-19 09:52:27,702 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2022-02-19 09:52:27,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 12 remaining) [2022-02-19 09:52:27,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr0ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2022-02-19 09:52:27,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr1ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2022-02-19 09:52:27,703 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location fErr2ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2022-02-19 09:52:27,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-19 09:52:27,709 INFO L732 BasicCegarLoop]: Path program histogram: [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-19 09:52:27,714 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 09:52:27,714 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 09:52:27,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 09:52:27 BasicIcfg [2022-02-19 09:52:27,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 09:52:27,800 INFO L158 Benchmark]: Toolchain (without parser) took 45438.43ms. Allocated memory was 199.2MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 146.1MB in the beginning and 941.1MB in the end (delta: -795.0MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2022-02-19 09:52:27,800 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 199.2MB. Free memory is still 164.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 09:52:27,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.28ms. Allocated memory was 199.2MB in the beginning and 280.0MB in the end (delta: 80.7MB). Free memory was 145.9MB in the beginning and 240.5MB in the end (delta: -94.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 09:52:27,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.75ms. Allocated memory is still 280.0MB. Free memory was 240.5MB in the beginning and 237.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-19 09:52:27,800 INFO L158 Benchmark]: Boogie Preprocessor took 19.95ms. Allocated memory is still 280.0MB. Free memory was 237.9MB in the beginning and 236.7MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 09:52:27,801 INFO L158 Benchmark]: RCFGBuilder took 464.27ms. Allocated memory is still 280.0MB. Free memory was 236.7MB in the beginning and 223.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-19 09:52:27,801 INFO L158 Benchmark]: TraceAbstraction took 44378.36ms. Allocated memory was 280.0MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 223.2MB in the beginning and 941.1MB in the end (delta: -717.9MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2022-02-19 09:52:27,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 199.2MB. Free memory is still 164.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 525.28ms. Allocated memory was 199.2MB in the beginning and 280.0MB in the end (delta: 80.7MB). Free memory was 145.9MB in the beginning and 240.5MB in the end (delta: -94.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.75ms. Allocated memory is still 280.0MB. Free memory was 240.5MB in the beginning and 237.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.95ms. Allocated memory is still 280.0MB. Free memory was 237.9MB in the beginning and 236.7MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 464.27ms. Allocated memory is still 280.0MB. Free memory was 236.7MB in the beginning and 223.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 44378.36ms. Allocated memory was 280.0MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 223.2MB in the beginning and 941.1MB in the end (delta: -717.9MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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 - DataRaceFoundResult [Line: 1009]: Data race detected Data race detected The following path leads to a data race: [L987] 0 int glob; VAL [glob=0] [L988] 0 pthread_mutex_t *p, *q; VAL [glob=0, p={0:0}, q={0:0}] [L996] 0 pthread_t t1, t2; VAL [glob=0, p={0:0}, q={0:0}, t1={2:0}] [L997] 0 int i; VAL [glob=0, p={0:0}, q={0:0}, t1={2:0}] [L998] 0 pthread_mutex_t *a; VAL [glob=0, p={0:0}, q={0:0}, t1={2:0}] [L999] 0 i=0 VAL [glob=0, i=0, p={0:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [glob=0, i=0, p={0:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-2:0}, glob=0, i=0, malloc(sizeof(pthread_mutex_t))={-2:0}, p={0:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-2:0}, glob=0, i=0, p={0:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-2:0}, glob=0, i=0, p={0:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-2:0}, glob=0, i=1, p={0:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-2:0}, glob=0, i=1, p={0:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-3:0}, glob=0, i=1, malloc(sizeof(pthread_mutex_t))={-3:0}, p={0:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-3:0}, glob=0, i=1, p={0:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-3:0}, glob=0, i=1, p={0:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-3:0}, glob=0, i=2, p={0:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-3:0}, glob=0, i=2, p={0:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-4:0}, glob=0, i=2, malloc(sizeof(pthread_mutex_t))={-4:0}, p={0:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-4:0}, glob=0, i=2, p={0:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-4:0}, glob=0, i=2, p={0:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-4:0}, glob=0, i=3, p={0:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-4:0}, glob=0, i=3, p={0:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-5:0}, glob=0, i=3, malloc(sizeof(pthread_mutex_t))={-5:0}, p={0:0}, q={0:0}, t1={2:0}] [L1002] COND TRUE 0 i==3 VAL [a={-5:0}, glob=0, i=3, p={0:0}, q={0:0}, t1={2:0}] [L1003] 0 p = a VAL [a={-5:0}, glob=0, i=3, p={-5:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-5:0}, glob=0, i=3, p={-5:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-5:0}, glob=0, i=4, p={-5:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-5:0}, glob=0, i=4, p={-5:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-6:0}, glob=0, i=4, malloc(sizeof(pthread_mutex_t))={-6:0}, p={-5:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-6:0}, glob=0, i=4, p={-5:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-6:0}, glob=0, i=4, p={-5:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-6:0}, glob=0, i=5, p={-5:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-6:0}, glob=0, i=5, p={-5:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-7:0}, glob=0, i=5, malloc(sizeof(pthread_mutex_t))={-7:0}, p={-5:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-7:0}, glob=0, i=5, p={-5:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-7:0}, glob=0, i=5, p={-5:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-7:0}, glob=0, i=6, p={-5:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-7:0}, glob=0, i=6, p={-5:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-8:0}, glob=0, i=6, malloc(sizeof(pthread_mutex_t))={-8:0}, p={-5:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-8:0}, glob=0, i=6, p={-5:0}, q={0:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-8:0}, glob=0, i=6, p={-5:0}, q={0:0}, t1={2:0}] [L999] 0 i++ VAL [a={-8:0}, glob=0, i=7, p={-5:0}, q={0:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-8:0}, glob=0, i=7, p={-5:0}, q={0:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-9:0}, glob=0, i=7, malloc(sizeof(pthread_mutex_t))={-9:0}, p={-5:0}, q={0:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={0:0}, t1={2:0}] [L1004] COND TRUE 0 i==7 VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={0:0}, t1={2:0}] [L1005] 0 q = a VAL [a={-9:0}, glob=0, i=7, p={-5:0}, q={-9:0}, t1={2:0}] [L999] 0 i++ VAL [a={-9:0}, glob=0, i=8, p={-5:0}, q={-9:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-9:0}, glob=0, i=8, p={-5:0}, q={-9:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-10:0}, glob=0, i=8, malloc(sizeof(pthread_mutex_t))={-10:0}, p={-5:0}, q={-9:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-10:0}, glob=0, i=8, p={-5:0}, q={-9:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-10:0}, glob=0, i=8, p={-5:0}, q={-9:0}, t1={2:0}] [L999] 0 i++ VAL [a={-10:0}, glob=0, i=9, p={-5:0}, q={-9:0}, t1={2:0}] [L999] COND TRUE 0 i < 10 VAL [a={-10:0}, glob=0, i=9, p={-5:0}, q={-9:0}, t1={2:0}] [L1000] 0 a = malloc(sizeof(pthread_mutex_t)) VAL [a={-11:0}, glob=0, i=9, malloc(sizeof(pthread_mutex_t))={-11:0}, p={-5:0}, q={-9:0}, t1={2:0}] [L1002] COND FALSE 0 !(i==3) VAL [a={-11:0}, glob=0, i=9, p={-5:0}, q={-9:0}, t1={2:0}] [L1004] COND FALSE 0 !(i==7) VAL [a={-11:0}, glob=0, i=9, p={-5:0}, q={-9:0}, t1={2:0}] [L999] 0 i++ VAL [a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}, t1={2:0}] [L999] COND FALSE 0 !(i < 10) VAL [a={-11:0}, glob=0, i=10, p={-5:0}, q={-9:0}, t1={2:0}] [L1007] FCALL, FORK 0 pthread_create(&t1, 0, f, 0) VAL [a={-11:0}, glob=0, i=10, p={-5:0}, pthread_create(&t1, 0, f, 0)=-1, q={-9:0}, t1={2:0}, x={0:0}] [L1009] 0 glob++ VAL [a={-11:0}, glob=1, glob++=0, glob++=25, i=10, p={-5:0}, q={-9:0}, t1={2:0}, x={0:0}] [L991] 1 glob++ VAL [glob=1, p={-5:0}, q={-9:0}, x={0:0}, x={0:0}] [L1009] 0 glob++ VAL [a={-11:0}, glob=1, glob++=25, glob++=0, i=10, p={-5:0}, q={-9:0}, t1={2:0}, x={0:0}, x={0:0}] Now there is a data race on ~glob~0 between C: glob++ [991] and C: glob++ [1009] - UnprovableResult [Line: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 992]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1003]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1009]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1005]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1010]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1007]: 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, 111 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 44.2s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 35.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 3600 NumberOfCodeBlocks, 3580 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 4454 ConstructedInterpolants, 0 QuantifiedInterpolants, 5190 SizeOfPredicates, 16 NumberOfNonLiveVariables, 3366 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 29 InterpolantComputations, 12 PerfectInterpolantSequences, 52740/52907 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 could not prove your program: unable to determine feasibility of some traces [2022-02-19 09:52:27,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-19 09:52:28,112 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...