/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/03-practical_08-nonterm1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 22:20:22,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 22:20:22,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 22:20:22,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 22:20:22,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 22:20:22,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 22:20:22,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 22:20:22,860 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 [2022-03-01 22:20:22,892 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 22:20:22,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 22:20:22,893 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 22:20:22,893 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 22:20:22,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 22:20:22,894 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 22:20:22,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 22:20:22,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 22:20:22,895 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 22:20:22,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 22:20:22,895 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 22:20:22,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 22:20:22,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 22:20:22,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 22:20:22,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 22:20:22,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 22:20:22,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 22:20:22,896 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 22:20:22,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 22:20:22,896 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 22:20:22,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 22:20:22,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 22:20:22,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 22:20:22,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 22:20:22,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 22:20:22,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 22:20:22,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 22:20:22,898 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-01 22:20:22,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 22:20:22,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 22:20:22,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 22:20:22,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 22:20:22,899 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 22:20:22,899 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-01 22:20:22,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 22:20:22,899 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-01 22:20:22,899 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-01 22:20:22,900 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-01 22:20:22,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-01 22:20:23,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 22:20:23,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 22:20:23,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 22:20:23,146 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 22:20:23,155 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 22:20:23,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/03-practical_08-nonterm1.i [2022-03-01 22:20:23,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7803c6c09/d38d6203e3b34eab894cb51a8cb97d11/FLAGf2582883a [2022-03-01 22:20:23,633 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 22:20:23,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/03-practical_08-nonterm1.i [2022-03-01 22:20:23,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7803c6c09/d38d6203e3b34eab894cb51a8cb97d11/FLAGf2582883a [2022-03-01 22:20:23,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7803c6c09/d38d6203e3b34eab894cb51a8cb97d11 [2022-03-01 22:20:23,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 22:20:23,673 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 22:20:23,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 22:20:23,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 22:20:23,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 22:20:23,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 10:20:23" (1/1) ... [2022-03-01 22:20:23,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585e26b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:20:23, skipping insertion in model container [2022-03-01 22:20:23,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 10:20:23" (1/1) ... [2022-03-01 22:20:23,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 22:20:23,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 22:20:24,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 22:20:24,138 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 22:20:24,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 22:20:24,230 INFO L208 MainTranslator]: Completed translation [2022-03-01 22:20:24,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:20:24 WrapperNode [2022-03-01 22:20:24,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 22:20:24,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 22:20:24,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 22:20:24,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 22:20:24,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:20:24" (1/1) ... [2022-03-01 22:20:24,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:20:24" (1/1) ... [2022-03-01 22:20:24,262 INFO L137 Inliner]: procedures = 264, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2022-03-01 22:20:24,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 22:20:24,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 22:20:24,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 22:20:24,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 22:20:24,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:20:24" (1/1) ... [2022-03-01 22:20:24,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:20:24" (1/1) ... [2022-03-01 22:20:24,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:20:24" (1/1) ... [2022-03-01 22:20:24,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:20:24" (1/1) ... [2022-03-01 22:20:24,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:20:24" (1/1) ... [2022-03-01 22:20:24,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:20:24" (1/1) ... [2022-03-01 22:20:24,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:20:24" (1/1) ... [2022-03-01 22:20:24,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 22:20:24,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 22:20:24,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 22:20:24,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 22:20:24,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:20:24" (1/1) ... [2022-03-01 22:20:24,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 22:20:24,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 22:20:24,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 22:20:24,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 22:20:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 22:20:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 22:20:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 22:20:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 22:20:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-01 22:20:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 22:20:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-01 22:20:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-01 22:20:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 22:20:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 22:20:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 22:20:24,352 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 22:20:24,516 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 22:20:24,517 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 22:20:24,705 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 22:20:24,711 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 22:20:24,711 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-01 22:20:24,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 10:20:24 BoogieIcfgContainer [2022-03-01 22:20:24,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 22:20:24,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 22:20:24,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 22:20:24,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 22:20:24,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 10:20:23" (1/3) ... [2022-03-01 22:20:24,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6556c8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 10:20:24, skipping insertion in model container [2022-03-01 22:20:24,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 10:20:24" (2/3) ... [2022-03-01 22:20:24,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6556c8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 10:20:24, skipping insertion in model container [2022-03-01 22:20:24,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 10:20:24" (3/3) ... [2022-03-01 22:20:24,720 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-practical_08-nonterm1.i [2022-03-01 22:20:24,723 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 22:20:24,724 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 22:20:24,724 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-03-01 22:20:24,724 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 22:20:24,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_fun_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 22:20:24,772 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-01 22:20:24,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-01 22:20:24,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 22:20:24,815 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) [2022-03-01 22:20:24,817 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 [2022-03-01 22:20:24,838 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 22:20:24,843 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 [2022-03-01 22:20:24,843 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-03-01 22:20:24,876 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 42 transitions and produced 43 states. [2022-03-01 22:20:24,877 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-03-01 22:20:24,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:20:24,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1019701197, now seen corresponding path program 1 times [2022-03-01 22:20:24,887 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:20:24,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296562840] [2022-03-01 22:20:24,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:20:24,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:20:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:20:25,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:20:25,049 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:20:25,050 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296562840] [2022-03-01 22:20:25,051 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296562840] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 22:20:25,051 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 22:20:25,051 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 22:20:25,052 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471096293] [2022-03-01 22:20:25,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 22:20:25,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 22:20:25,056 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:20:25,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 22:20:25,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 22:20:25,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:20:25,079 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:20:25,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 22:20:25,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:20:25,112 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 51 transitions and produced 52 states. [2022-03-01 22:20:25,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:25,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 22:20:25,114 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-03-01 22:20:25,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:20:25,115 INFO L85 PathProgramCache]: Analyzing trace with hash -933330746, now seen corresponding path program 1 times [2022-03-01 22:20:25,115 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:20:25,116 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272335049] [2022-03-01 22:20:25,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:20:25,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:20:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:20:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:20:25,167 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:20:25,167 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272335049] [2022-03-01 22:20:25,167 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272335049] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 22:20:25,168 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 22:20:25,168 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 22:20:25,168 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291671297] [2022-03-01 22:20:25,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 22:20:25,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 22:20:25,169 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:20:25,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 22:20:25,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 22:20:25,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:20:25,170 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:20:25,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 22:20:25,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:25,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:20:25,205 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 68 transitions and produced 69 states. [2022-03-01 22:20:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:25,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:25,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 22:20:25,208 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-03-01 22:20:25,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:20:25,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1208307905, now seen corresponding path program 1 times [2022-03-01 22:20:25,209 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:20:25,209 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223469256] [2022-03-01 22:20:25,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:20:25,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:20:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:20:25,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:20:25,397 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:20:25,397 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223469256] [2022-03-01 22:20:25,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223469256] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 22:20:25,397 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 22:20:25,397 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-01 22:20:25,397 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094953419] [2022-03-01 22:20:25,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 22:20:25,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 22:20:25,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:20:25,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 22:20:25,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-01 22:20:25,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:20:25,399 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:20:25,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 22:20:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:20:25,464 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 79 transitions and produced 80 states. [2022-03-01 22:20:25,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:25,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:25,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:20:25,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 22:20:25,465 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-03-01 22:20:25,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:20:25,466 INFO L85 PathProgramCache]: Analyzing trace with hash 91998042, now seen corresponding path program 1 times [2022-03-01 22:20:25,466 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:20:25,466 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329461369] [2022-03-01 22:20:25,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:20:25,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:20:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:20:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:20:25,550 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:20:25,551 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329461369] [2022-03-01 22:20:25,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329461369] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 22:20:25,551 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 22:20:25,551 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 22:20:25,551 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863902834] [2022-03-01 22:20:25,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 22:20:25,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 22:20:25,552 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:20:25,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 22:20:25,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 22:20:25,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:20:25,553 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:20:25,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 22:20:25,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:25,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:25,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:20:25,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:20:25,612 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 96 transitions and produced 97 states. [2022-03-01 22:20:25,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:25,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:25,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:20:25,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:25,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 22:20:25,614 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-03-01 22:20:25,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:20:25,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1405243187, now seen corresponding path program 1 times [2022-03-01 22:20:25,615 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:20:25,615 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672414422] [2022-03-01 22:20:25,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:20:25,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:20:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:20:25,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:20:25,660 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:20:25,660 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672414422] [2022-03-01 22:20:25,660 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672414422] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 22:20:25,661 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 22:20:25,661 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 22:20:25,661 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558798977] [2022-03-01 22:20:25,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 22:20:25,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 22:20:25,661 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:20:25,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 22:20:25,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 22:20:25,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:20:25,662 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:20:25,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 22:20:25,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:25,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:25,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:20:25,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:25,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:20:27,293 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3072 transitions and produced 1798 states. [2022-03-01 22:20:27,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:20:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:27,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-01 22:20:27,295 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-03-01 22:20:27,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:20:27,295 INFO L85 PathProgramCache]: Analyzing trace with hash -2114729660, now seen corresponding path program 1 times [2022-03-01 22:20:27,296 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:20:27,296 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583916006] [2022-03-01 22:20:27,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:20:27,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:20:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 22:20:27,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 22:20:27,383 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 22:20:27,383 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583916006] [2022-03-01 22:20:27,383 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583916006] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 22:20:27,383 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 22:20:27,383 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 22:20:27,383 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005612509] [2022-03-01 22:20:27,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 22:20:27,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 22:20:27,384 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 22:20:27,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 22:20:27,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 22:20:27,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:20:27,385 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 22:20:27,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 22:20:27,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:27,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:27,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:20:27,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:27,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:27,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 22:20:28,339 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1672 transitions and produced 1006 states. [2022-03-01 22:20:28,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:28,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:28,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-01 22:20:28,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:28,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:28,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 22:20:28,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-01 22:20:28,341 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-03-01 22:20:28,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 22:20:28,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1138442598, now seen corresponding path program 1 times [2022-03-01 22:20:28,342 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 22:20:28,342 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380069869] [2022-03-01 22:20:28,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 22:20:28,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 22:20:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 22:20:28,387 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 22:20:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 22:20:28,434 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 22:20:28,434 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 22:20:28,435 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2022-03-01 22:20:28,437 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2022-03-01 22:20:28,437 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2022-03-01 22:20:28,437 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2022-03-01 22:20:28,437 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (8 of 13 remaining) [2022-03-01 22:20:28,437 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2022-03-01 22:20:28,437 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2022-03-01 22:20:28,438 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2022-03-01 22:20:28,438 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2022-03-01 22:20:28,438 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2022-03-01 22:20:28,438 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2022-03-01 22:20:28,438 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2022-03-01 22:20:28,438 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2022-03-01 22:20:28,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-01 22:20:28,458 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-03-01 22:20:28,462 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 22:20:28,462 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 22:20:28,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 10:20:28 BasicIcfg [2022-03-01 22:20:28,510 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 22:20:28,511 INFO L158 Benchmark]: Toolchain (without parser) took 4838.04ms. Allocated memory was 191.9MB in the beginning and 727.7MB in the end (delta: 535.8MB). Free memory was 132.5MB in the beginning and 283.5MB in the end (delta: -151.0MB). Peak memory consumption was 383.9MB. Max. memory is 8.0GB. [2022-03-01 22:20:28,511 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 191.9MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 22:20:28,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.05ms. Allocated memory was 191.9MB in the beginning and 331.4MB in the end (delta: 139.5MB). Free memory was 132.3MB in the beginning and 286.1MB in the end (delta: -153.8MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB. [2022-03-01 22:20:28,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.15ms. Allocated memory is still 331.4MB. Free memory was 286.1MB in the beginning and 283.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 22:20:28,515 INFO L158 Benchmark]: Boogie Preprocessor took 17.34ms. Allocated memory is still 331.4MB. Free memory was 283.5MB in the beginning and 281.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 22:20:28,516 INFO L158 Benchmark]: RCFGBuilder took 432.58ms. Allocated memory is still 331.4MB. Free memory was 281.9MB in the beginning and 267.7MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-01 22:20:28,516 INFO L158 Benchmark]: TraceAbstraction took 3795.25ms. Allocated memory was 331.4MB in the beginning and 727.7MB in the end (delta: 396.4MB). Free memory was 267.2MB in the beginning and 283.5MB in the end (delta: -16.3MB). Peak memory consumption was 380.6MB. Max. memory is 8.0GB. [2022-03-01 22:20:28,518 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 191.9MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 555.05ms. Allocated memory was 191.9MB in the beginning and 331.4MB in the end (delta: 139.5MB). Free memory was 132.3MB in the beginning and 286.1MB in the end (delta: -153.8MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.15ms. Allocated memory is still 331.4MB. Free memory was 286.1MB in the beginning and 283.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.34ms. Allocated memory is still 331.4MB. Free memory was 283.5MB in the beginning and 281.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 432.58ms. Allocated memory is still 331.4MB. Free memory was 281.9MB in the beginning and 267.7MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3795.25ms. Allocated memory was 331.4MB in the beginning and 727.7MB in the end (delta: 396.4MB). Free memory was 267.2MB in the beginning and 283.5MB in the end (delta: -16.3MB). Peak memory consumption was 380.6MB. 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: 939]: Data race detected Data race detected The following path leads to a data race: [L918] 0 int myglobal; VAL [myglobal=0] [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, myglobal=0] [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, myglobal=0] [L936] 0 pthread_t id; VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=0] [L937] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L930] EXPR 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal=0] [L930] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal=1] [L939] EXPR 0 myglobal+1 VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=1] [L939] 0 myglobal=myglobal+1 VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=2, myglobal=myglobal+1=25] [L932] CALL 1 fun() [L922] 1 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, i=0, mutex1={2:0}, mutex2={3:0}, myglobal=2] [L924] 1 myglobal+1 VAL [i=0, mutex1={2:0}, mutex2={3:0}, myglobal=2] [L939] 0 myglobal=myglobal+1 VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal=2, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal+1 [924] and C: myglobal=myglobal+1 [939] - UnprovableResult [Line: 939]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 941]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 942]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 937]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 930]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 930]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 140 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 21, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 285 ConstructedInterpolants, 0 QuantifiedInterpolants, 422 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-01 22:20:28,579 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 [2022-03-01 22:20:28,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...