/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_01-idx_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 15:08:00,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 15:08:00,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 15:08:00,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-15 15:08:00,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 15:08:00,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 15:08:00,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 15:08:00,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 15:08:00,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 15:08:00,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 15:08:00,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 15:08:00,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 15:08:00,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 15:08:00,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 15:08:00,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 15:08:00,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 15:08:00,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-15 15:08:00,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 15:08:00,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 15:08:00,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 15:08:00,381 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-15 15:08:00,398 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 15:08:00,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 15:08:00,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 15:08:00,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 15:08:00,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 15:08:00,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 15:08:00,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 15:08:00,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 15:08:00,403 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 15:08:00,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 15:08:00,404 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 15:08:00,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 15:08:00,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 15:08:00,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 15:08:00,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 15:08:00,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 15:08:00,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 15:08:00,405 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 15:08:00,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 15:08:00,405 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 15:08:00,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 15:08:00,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 15:08:00,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 15:08:00,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 15:08:00,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 15:08:00,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:08:00,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 15:08:00,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 15:08:00,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 15:08:00,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 15:08:00,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 15:08:00,407 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 15:08:00,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 15:08:00,407 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 15:08:00,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 15:08:00,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 15:08:00,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 15:08:00,596 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 15:08:00,597 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 15:08:00,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_01-idx_rc.i [2022-03-15 15:08:00,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/706e851f1/70e63e2b422b42db8aecae5ad1b72e96/FLAGc94f9bd58 [2022-03-15 15:08:01,032 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 15:08:01,032 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_01-idx_rc.i [2022-03-15 15:08:01,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/706e851f1/70e63e2b422b42db8aecae5ad1b72e96/FLAGc94f9bd58 [2022-03-15 15:08:01,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/706e851f1/70e63e2b422b42db8aecae5ad1b72e96 [2022-03-15 15:08:01,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 15:08:01,052 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 15:08:01,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 15:08:01,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 15:08:01,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 15:08:01,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:08:01" (1/1) ... [2022-03-15 15:08:01,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21512322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:01, skipping insertion in model container [2022-03-15 15:08:01,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:08:01" (1/1) ... [2022-03-15 15:08:01,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 15:08:01,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 15:08:01,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:08:01,349 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 15:08:01,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:08:01,410 INFO L208 MainTranslator]: Completed translation [2022-03-15 15:08:01,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:01 WrapperNode [2022-03-15 15:08:01,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 15:08:01,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 15:08:01,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 15:08:01,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 15:08:01,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:01" (1/1) ... [2022-03-15 15:08:01,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:01" (1/1) ... [2022-03-15 15:08:01,451 INFO L137 Inliner]: procedures = 161, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-03-15 15:08:01,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 15:08:01,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 15:08:01,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 15:08:01,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 15:08:01,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:01" (1/1) ... [2022-03-15 15:08:01,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:01" (1/1) ... [2022-03-15 15:08:01,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:01" (1/1) ... [2022-03-15 15:08:01,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:01" (1/1) ... [2022-03-15 15:08:01,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:01" (1/1) ... [2022-03-15 15:08:01,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:01" (1/1) ... [2022-03-15 15:08:01,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:01" (1/1) ... [2022-03-15 15:08:01,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 15:08:01,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 15:08:01,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 15:08:01,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 15:08:01,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:01" (1/1) ... [2022-03-15 15:08:01,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:08:01,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:01,507 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) [2022-03-15 15:08:01,527 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 [2022-03-15 15:08:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 15:08:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 15:08:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 15:08:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 15:08:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 15:08:01,546 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 15:08:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 15:08:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 15:08:01,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 15:08:01,547 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 15:08:01,617 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 15:08:01,618 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 15:08:01,757 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 15:08:01,762 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 15:08:01,762 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-15 15:08:01,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:08:01 BoogieIcfgContainer [2022-03-15 15:08:01,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 15:08:01,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 15:08:01,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 15:08:01,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 15:08:01,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 03:08:01" (1/3) ... [2022-03-15 15:08:01,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42cb45e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:08:01, skipping insertion in model container [2022-03-15 15:08:01,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:01" (2/3) ... [2022-03-15 15:08:01,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42cb45e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:08:01, skipping insertion in model container [2022-03-15 15:08:01,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:08:01" (3/3) ... [2022-03-15 15:08:01,770 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_01-idx_rc.i [2022-03-15 15:08:01,773 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 15:08:01,773 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 15:08:01,773 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-15 15:08:01,773 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 15:08:01,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,790 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,790 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,790 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,790 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,796 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,797 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,798 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,799 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,800 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,802 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,802 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,803 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,803 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,803 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,803 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:01,804 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 15:08:01,829 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 15:08:01,833 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 15:08:01,833 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-15 15:08:01,839 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67 places, 65 transitions, 135 flow [2022-03-15 15:08:01,873 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 377 states, 369 states have (on average 1.8753387533875339) internal successors, (692), 376 states have internal predecessors, (692), 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) [2022-03-15 15:08:01,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 377 states, 369 states have (on average 1.8753387533875339) internal successors, (692), 376 states have internal predecessors, (692), 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) [2022-03-15 15:08:01,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-03-15 15:08:01,880 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:01,881 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:01,882 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:08:01,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:01,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1537084983, now seen corresponding path program 1 times [2022-03-15 15:08:01,890 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:01,890 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627621436] [2022-03-15 15:08:01,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:01,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:02,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:02,001 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:02,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627621436] [2022-03-15 15:08:02,001 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627621436] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:02,001 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:02,002 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:08:02,003 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646010404] [2022-03-15 15:08:02,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:02,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-15 15:08:02,006 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:02,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-15 15:08:02,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 15:08:02,024 INFO L87 Difference]: Start difference. First operand has 377 states, 369 states have (on average 1.8753387533875339) internal successors, (692), 376 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2022-03-15 15:08:02,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:02,043 INFO L93 Difference]: Finished difference Result 377 states and 691 transitions. [2022-03-15 15:08:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-15 15:08:02,057 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-03-15 15:08:02,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:02,065 INFO L225 Difference]: With dead ends: 377 [2022-03-15 15:08:02,065 INFO L226 Difference]: Without dead ends: 377 [2022-03-15 15:08:02,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 15:08:02,068 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:02,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:02,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2022-03-15 15:08:02,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2022-03-15 15:08:02,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 369 states have (on average 1.872628726287263) internal successors, (691), 376 states have internal predecessors, (691), 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) [2022-03-15 15:08:02,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 691 transitions. [2022-03-15 15:08:02,108 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 691 transitions. Word has length 24 [2022-03-15 15:08:02,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:02,108 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 691 transitions. [2022-03-15 15:08:02,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2022-03-15 15:08:02,108 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 691 transitions. [2022-03-15 15:08:02,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-03-15 15:08:02,109 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:02,109 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:02,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 15:08:02,109 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:08:02,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:02,110 INFO L85 PathProgramCache]: Analyzing trace with hash 960930954, now seen corresponding path program 1 times [2022-03-15 15:08:02,110 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:02,110 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014456958] [2022-03-15 15:08:02,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:02,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:02,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:02,150 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:02,150 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014456958] [2022-03-15 15:08:02,150 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014456958] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:02,150 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:02,151 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 15:08:02,151 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762804070] [2022-03-15 15:08:02,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:02,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:08:02,152 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:02,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:08:02,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:08:02,153 INFO L87 Difference]: Start difference. First operand 377 states and 691 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-03-15 15:08:02,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:02,184 INFO L93 Difference]: Finished difference Result 381 states and 695 transitions. [2022-03-15 15:08:02,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:08:02,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-03-15 15:08:02,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:02,189 INFO L225 Difference]: With dead ends: 381 [2022-03-15 15:08:02,189 INFO L226 Difference]: Without dead ends: 381 [2022-03-15 15:08:02,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:08:02,190 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 3 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:02,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 114 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:02,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2022-03-15 15:08:02,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 378. [2022-03-15 15:08:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 370 states have (on average 1.8702702702702703) internal successors, (692), 377 states have internal predecessors, (692), 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) [2022-03-15 15:08:02,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 692 transitions. [2022-03-15 15:08:02,212 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 692 transitions. Word has length 24 [2022-03-15 15:08:02,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:02,212 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 692 transitions. [2022-03-15 15:08:02,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-03-15 15:08:02,213 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 692 transitions. [2022-03-15 15:08:02,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-03-15 15:08:02,213 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:02,213 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:02,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 15:08:02,214 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:08:02,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:02,214 INFO L85 PathProgramCache]: Analyzing trace with hash -2006067409, now seen corresponding path program 1 times [2022-03-15 15:08:02,214 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:02,214 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242995884] [2022-03-15 15:08:02,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:02,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:02,309 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:02,310 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242995884] [2022-03-15 15:08:02,310 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242995884] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:02,310 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261368925] [2022-03-15 15:08:02,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:02,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:02,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:02,312 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 15:08:02,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 15:08:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:02,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-15 15:08:02,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:02,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 15:08:02,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:02,417 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261368925] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:02,417 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:02,417 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-15 15:08:02,418 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087224146] [2022-03-15 15:08:02,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:02,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:08:02,418 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:02,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:08:02,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:02,419 INFO L87 Difference]: Start difference. First operand 378 states and 692 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-03-15 15:08:02,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:02,450 INFO L93 Difference]: Finished difference Result 458 states and 842 transitions. [2022-03-15 15:08:02,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:08:02,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-03-15 15:08:02,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:02,454 INFO L225 Difference]: With dead ends: 458 [2022-03-15 15:08:02,454 INFO L226 Difference]: Without dead ends: 458 [2022-03-15 15:08:02,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:02,457 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 33 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:02,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 133 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:02,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2022-03-15 15:08:02,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 378. [2022-03-15 15:08:02,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 371 states have (on average 1.8598382749326146) internal successors, (690), 377 states have internal predecessors, (690), 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) [2022-03-15 15:08:02,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 690 transitions. [2022-03-15 15:08:02,476 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 690 transitions. Word has length 29 [2022-03-15 15:08:02,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:02,476 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 690 transitions. [2022-03-15 15:08:02,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-03-15 15:08:02,476 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 690 transitions. [2022-03-15 15:08:02,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-03-15 15:08:02,477 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:02,477 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:02,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-15 15:08:02,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:02,685 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:08:02,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:02,686 INFO L85 PathProgramCache]: Analyzing trace with hash -272035997, now seen corresponding path program 1 times [2022-03-15 15:08:02,686 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:02,686 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423484316] [2022-03-15 15:08:02,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:02,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:02,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:02,746 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:02,747 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423484316] [2022-03-15 15:08:02,747 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423484316] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:02,747 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958694461] [2022-03-15 15:08:02,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:02,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:02,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:02,748 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) [2022-03-15 15:08:02,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 15:08:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:02,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-15 15:08:02,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:02,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 15:08:02,857 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:02,858 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958694461] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:02,858 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:02,858 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-15 15:08:02,858 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163288486] [2022-03-15 15:08:02,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:02,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:08:02,861 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:02,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:08:02,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:02,875 INFO L87 Difference]: Start difference. First operand 378 states and 690 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:02,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:02,898 INFO L93 Difference]: Finished difference Result 401 states and 723 transitions. [2022-03-15 15:08:02,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:08:02,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-03-15 15:08:02,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:02,901 INFO L225 Difference]: With dead ends: 401 [2022-03-15 15:08:02,901 INFO L226 Difference]: Without dead ends: 301 [2022-03-15 15:08:02,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:02,902 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 22 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:02,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 126 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:02,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-03-15 15:08:02,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 287. [2022-03-15 15:08:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 281 states have (on average 1.7686832740213523) internal successors, (497), 286 states have internal predecessors, (497), 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) [2022-03-15 15:08:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 497 transitions. [2022-03-15 15:08:02,909 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 497 transitions. Word has length 34 [2022-03-15 15:08:02,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:02,909 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 497 transitions. [2022-03-15 15:08:02,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:02,909 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 497 transitions. [2022-03-15 15:08:02,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-03-15 15:08:02,910 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:02,910 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:02,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 15:08:03,119 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,SelfDestructingSolverStorable3 [2022-03-15 15:08:03,120 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:08:03,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:03,121 INFO L85 PathProgramCache]: Analyzing trace with hash 438956630, now seen corresponding path program 1 times [2022-03-15 15:08:03,121 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:03,121 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022775984] [2022-03-15 15:08:03,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:03,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:03,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:03,183 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:03,183 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022775984] [2022-03-15 15:08:03,183 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022775984] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:03,184 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204195729] [2022-03-15 15:08:03,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:03,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:03,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:03,185 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) [2022-03-15 15:08:03,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 15:08:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:03,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-15 15:08:03,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:03,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 15:08:03,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 15:08:03,310 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204195729] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:03,310 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 15:08:03,310 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-03-15 15:08:03,310 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871914662] [2022-03-15 15:08:03,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:03,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:08:03,311 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:03,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:08:03,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:03,311 INFO L87 Difference]: Start difference. First operand 287 states and 497 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:03,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:03,336 INFO L93 Difference]: Finished difference Result 289 states and 490 transitions. [2022-03-15 15:08:03,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:08:03,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-03-15 15:08:03,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:03,338 INFO L225 Difference]: With dead ends: 289 [2022-03-15 15:08:03,338 INFO L226 Difference]: Without dead ends: 223 [2022-03-15 15:08:03,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:03,340 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 17 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:03,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 119 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:03,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-03-15 15:08:03,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2022-03-15 15:08:03,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 219 states have (on average 1.6164383561643836) internal successors, (354), 222 states have internal predecessors, (354), 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) [2022-03-15 15:08:03,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 354 transitions. [2022-03-15 15:08:03,346 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 354 transitions. Word has length 35 [2022-03-15 15:08:03,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:03,347 INFO L470 AbstractCegarLoop]: Abstraction has 223 states and 354 transitions. [2022-03-15 15:08:03,348 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) [2022-03-15 15:08:03,348 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 354 transitions. [2022-03-15 15:08:03,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-15 15:08:03,352 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:03,352 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:03,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-15 15:08:03,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:03,568 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:08:03,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:03,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1233691196, now seen corresponding path program 1 times [2022-03-15 15:08:03,568 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:03,568 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190668015] [2022-03-15 15:08:03,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:03,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:03,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:03,610 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:03,610 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190668015] [2022-03-15 15:08:03,610 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190668015] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:03,610 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146877191] [2022-03-15 15:08:03,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:03,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:03,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:03,612 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) [2022-03-15 15:08:03,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-15 15:08:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:03,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-15 15:08:03,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:03,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:03,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 15:08:03,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:03,820 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146877191] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 15:08:03,820 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 15:08:03,820 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-15 15:08:03,820 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323134060] [2022-03-15 15:08:03,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 15:08:03,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 15:08:03,821 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:03,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 15:08:03,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-15 15:08:03,822 INFO L87 Difference]: Start difference. First operand 223 states and 354 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2022-03-15 15:08:03,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:03,869 INFO L93 Difference]: Finished difference Result 233 states and 364 transitions. [2022-03-15 15:08:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 15:08:03,869 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-03-15 15:08:03,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:03,870 INFO L225 Difference]: With dead ends: 233 [2022-03-15 15:08:03,870 INFO L226 Difference]: Without dead ends: 233 [2022-03-15 15:08:03,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-15 15:08:03,875 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 11 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:03,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 390 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:03,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-03-15 15:08:03,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2022-03-15 15:08:03,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 229 states have (on average 1.5895196506550218) internal successors, (364), 232 states have internal predecessors, (364), 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) [2022-03-15 15:08:03,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 364 transitions. [2022-03-15 15:08:03,883 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 364 transitions. Word has length 39 [2022-03-15 15:08:03,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:03,884 INFO L470 AbstractCegarLoop]: Abstraction has 233 states and 364 transitions. [2022-03-15 15:08:03,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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) [2022-03-15 15:08:03,884 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 364 transitions. [2022-03-15 15:08:03,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-03-15 15:08:03,887 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:03,887 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:03,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-15 15:08:04,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:04,099 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:08:04,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:04,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1761237668, now seen corresponding path program 2 times [2022-03-15 15:08:04,100 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:04,100 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950930787] [2022-03-15 15:08:04,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:04,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:04,169 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:04,170 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:04,170 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950930787] [2022-03-15 15:08:04,170 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950930787] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:04,170 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437980897] [2022-03-15 15:08:04,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 15:08:04,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:04,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:04,175 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) [2022-03-15 15:08:04,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-15 15:08:04,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 15:08:04,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:08:04,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-15 15:08:04,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:04,334 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:04,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 15:08:04,450 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:04,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437980897] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 15:08:04,451 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 15:08:04,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-03-15 15:08:04,451 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814327446] [2022-03-15 15:08:04,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 15:08:04,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-15 15:08:04,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:04,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-15 15:08:04,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-03-15 15:08:04,452 INFO L87 Difference]: Start difference. First operand 233 states and 364 transitions. Second operand has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 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) [2022-03-15 15:08:04,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:04,587 INFO L93 Difference]: Finished difference Result 253 states and 384 transitions. [2022-03-15 15:08:04,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-15 15:08:04,587 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 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) Word has length 49 [2022-03-15 15:08:04,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:04,588 INFO L225 Difference]: With dead ends: 253 [2022-03-15 15:08:04,588 INFO L226 Difference]: Without dead ends: 253 [2022-03-15 15:08:04,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=280, Invalid=590, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:08:04,589 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 27 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:04,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 614 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:04,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-03-15 15:08:04,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2022-03-15 15:08:04,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 249 states have (on average 1.5421686746987953) internal successors, (384), 252 states have internal predecessors, (384), 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) [2022-03-15 15:08:04,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 384 transitions. [2022-03-15 15:08:04,594 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 384 transitions. Word has length 49 [2022-03-15 15:08:04,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:04,594 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 384 transitions. [2022-03-15 15:08:04,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.9444444444444446) internal successors, (71), 18 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) [2022-03-15 15:08:04,594 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 384 transitions. [2022-03-15 15:08:04,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-03-15 15:08:04,595 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:04,595 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:04,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-15 15:08:04,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:04,809 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:08:04,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:04,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1106080668, now seen corresponding path program 3 times [2022-03-15 15:08:04,810 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:04,810 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148414089] [2022-03-15 15:08:04,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:04,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:04,958 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:04,959 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:04,959 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148414089] [2022-03-15 15:08:04,959 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148414089] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 15:08:04,959 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015122874] [2022-03-15 15:08:04,959 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 15:08:04,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:04,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:04,960 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) [2022-03-15 15:08:04,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-15 15:08:05,044 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-03-15 15:08:05,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 15:08:05,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-15 15:08:05,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 15:08:05,154 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:05,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 15:08:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:05,295 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015122874] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 15:08:05,295 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 15:08:05,295 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-03-15 15:08:05,296 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243471130] [2022-03-15 15:08:05,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-15 15:08:05,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-15 15:08:05,296 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:05,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-15 15:08:05,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-03-15 15:08:05,297 INFO L87 Difference]: Start difference. First operand 253 states and 384 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 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) [2022-03-15 15:08:05,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:05,520 INFO L93 Difference]: Finished difference Result 268 states and 399 transitions. [2022-03-15 15:08:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:08:05,520 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-03-15 15:08:05,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:05,521 INFO L225 Difference]: With dead ends: 268 [2022-03-15 15:08:05,521 INFO L226 Difference]: Without dead ends: 268 [2022-03-15 15:08:05,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 131 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=524, Invalid=1116, Unknown=0, NotChecked=0, Total=1640 [2022-03-15 15:08:05,522 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 41 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:05,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 511 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 15:08:05,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-03-15 15:08:05,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2022-03-15 15:08:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 264 states have (on average 1.5113636363636365) internal successors, (399), 267 states have internal predecessors, (399), 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) [2022-03-15 15:08:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 399 transitions. [2022-03-15 15:08:05,527 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 399 transitions. Word has length 69 [2022-03-15 15:08:05,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:05,527 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 399 transitions. [2022-03-15 15:08:05,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 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) [2022-03-15 15:08:05,527 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 399 transitions. [2022-03-15 15:08:05,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-15 15:08:05,528 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:05,528 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:05,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-15 15:08:05,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 15:08:05,743 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 15:08:05,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:05,743 INFO L85 PathProgramCache]: Analyzing trace with hash -418400001, now seen corresponding path program 4 times [2022-03-15 15:08:05,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:05,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925395849] [2022-03-15 15:08:05,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:05,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 15:08:05,767 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 15:08:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 15:08:05,810 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 15:08:05,810 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 15:08:05,811 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-15 15:08:05,812 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-15 15:08:05,812 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-15 15:08:05,812 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-03-15 15:08:05,812 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-15 15:08:05,812 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-15 15:08:05,813 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-15 15:08:05,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 15:08:05,815 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2022-03-15 15:08:05,819 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 15:08:05,819 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 15:08:05,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 03:08:05 BasicIcfg [2022-03-15 15:08:05,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 15:08:05,853 INFO L158 Benchmark]: Toolchain (without parser) took 4801.15ms. Allocated memory was 200.3MB in the beginning and 277.9MB in the end (delta: 77.6MB). Free memory was 148.5MB in the beginning and 230.0MB in the end (delta: -81.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 15:08:05,853 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory was 165.9MB in the beginning and 165.7MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 15:08:05,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.22ms. Allocated memory is still 200.3MB. Free memory was 148.2MB in the beginning and 168.2MB in the end (delta: -20.0MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2022-03-15 15:08:05,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.39ms. Allocated memory is still 200.3MB. Free memory was 168.2MB in the beginning and 166.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 15:08:05,853 INFO L158 Benchmark]: Boogie Preprocessor took 27.97ms. Allocated memory is still 200.3MB. Free memory was 166.1MB in the beginning and 165.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 15:08:05,854 INFO L158 Benchmark]: RCFGBuilder took 282.36ms. Allocated memory is still 200.3MB. Free memory was 165.0MB in the beginning and 153.0MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-15 15:08:05,854 INFO L158 Benchmark]: TraceAbstraction took 4088.56ms. Allocated memory was 200.3MB in the beginning and 277.9MB in the end (delta: 77.6MB). Free memory was 152.5MB in the beginning and 230.0MB in the end (delta: -77.6MB). Peak memory consumption was 564.4kB. Max. memory is 8.0GB. [2022-03-15 15:08:05,855 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory was 165.9MB in the beginning and 165.7MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 359.22ms. Allocated memory is still 200.3MB. Free memory was 148.2MB in the beginning and 168.2MB in the end (delta: -20.0MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.39ms. Allocated memory is still 200.3MB. Free memory was 168.2MB in the beginning and 166.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.97ms. Allocated memory is still 200.3MB. Free memory was 166.1MB in the beginning and 165.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 282.36ms. Allocated memory is still 200.3MB. Free memory was 165.0MB in the beginning and 153.0MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 4088.56ms. Allocated memory was 200.3MB in the beginning and 277.9MB in the end (delta: 77.6MB). Free memory was 152.5MB in the beginning and 230.0MB in the end (delta: -77.6MB). Peak memory consumption was 564.4kB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 693]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int data; VAL [data=0] [L680] 0 pthread_mutex_t m[10]; VAL [data=0, m={1:0}] [L688] 0 int i = 0; VAL [data=0, i=0, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=0, m={1:0}] [L688] 0 i++ VAL [data=0, i=1, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=1, m={1:0}] [L688] 0 i++ VAL [data=0, i=2, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=2, m={1:0}] [L688] 0 i++ VAL [data=0, i=3, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=3, m={1:0}] [L688] 0 i++ VAL [data=0, i=4, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=4, m={1:0}] [L688] 0 i++ VAL [data=0, i=5, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=5, m={1:0}] [L688] 0 i++ VAL [data=0, i=6, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=6, m={1:0}] [L688] 0 i++ VAL [data=0, i=7, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=7, m={1:0}] [L688] 0 i++ VAL [data=0, i=8, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=8, m={1:0}] [L688] 0 i++ VAL [data=0, i=9, m={1:0}] [L688] COND TRUE 0 i < 10 VAL [data=0, i=9, m={1:0}] [L688] 0 i++ VAL [data=0, i=10, m={1:0}] [L688] COND FALSE 0 !(i < 10) VAL [data=0, i=10, m={1:0}] [L690] 0 pthread_t id; VAL [data=0, i=10, id={2:0}, m={1:0}] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data=0, i=10, id={2:0}, m={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L693] 0 data++ VAL [arg={0:0}, data=0, i=10, id={2:0}, m={1:0}] [L683] 1 data++ VAL [arg={0:0}, arg={0:0}, data=1, data++=241, data++=0, m={1:0}] [L693] 0 data++ VAL [arg={0:0}, arg={0:0}, data=1, data++=241, data++=0, i=10, id={2:0}, m={1:0}] Now there is a data race on ~data~0 between C: data++ [683] and C: data++ [693] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: 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: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 683]: 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, 83 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 9, TraceHistogramMax: 10, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 154 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 154 mSDsluCounter, 2069 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1567 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 301 IncrementalHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 529 mSDtfsCounter, 301 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 488 GetRequests, 395 SyntacticMatches, 1 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=378occurred in iteration=2, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 97 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 642 NumberOfCodeBlocks, 642 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 698 ConstructedInterpolants, 0 QuantifiedInterpolants, 1090 SizeOfPredicates, 22 NumberOfNonLiveVariables, 660 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 3/399 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 [2022-03-15 15:08:05,896 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...