/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE -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/13-privatized_41-traces-ex-7_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-09 16:52:28,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-09 16:52:28,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-09 16:52:28,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-09 16:52:28,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-09 16:52:28,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-09 16:52:28,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-09 16:52:28,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-09 16:52:28,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-09 16:52:28,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-09 16:52:28,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-09 16:52:28,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-09 16:52:28,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-09 16:52:28,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-09 16:52:28,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-09 16:52:28,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-09 16:52:28,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-09 16:52:28,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-09 16:52:28,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-09 16:52:28,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-09 16:52:28,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-09 16:52:28,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-11-09 16:52:28,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-09 16:52:28,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-09 16:52:28,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-09 16:52:28,324 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-09 16:52:28,346 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-09 16:52:28,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-09 16:52:28,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-09 16:52:28,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-09 16:52:28,347 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-09 16:52:28,347 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-09 16:52:28,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-09 16:52:28,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-09 16:52:28,348 INFO L138 SettingsManager]: * Use SBE=true [2022-11-09 16:52:28,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-09 16:52:28,348 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-09 16:52:28,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-09 16:52:28,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-09 16:52:28,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-09 16:52:28,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-09 16:52:28,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-09 16:52:28,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-09 16:52:28,349 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-09 16:52:28,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-09 16:52:28,349 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-09 16:52:28,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-09 16:52:28,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-09 16:52:28,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-09 16:52:28,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-09 16:52:28,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-09 16:52:28,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 16:52:28,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-09 16:52:28,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-09 16:52:28,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-09 16:52:28,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-09 16:52:28,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-09 16:52:28,350 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-09 16:52:28,350 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-09 16:52:28,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-09 16:52:28,351 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-09 16:52:28,351 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-09 16:52:28,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-09 16:52:28,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-09 16:52:28,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-09 16:52:28,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-09 16:52:28,563 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-09 16:52:28,563 INFO L275 PluginConnector]: CDTParser initialized [2022-11-09 16:52:28,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2022-11-09 16:52:28,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a49c4665/1d479cdc86a44ec9968225017f0fcb80/FLAGfb9f60991 [2022-11-09 16:52:28,999 INFO L306 CDTParser]: Found 1 translation units. [2022-11-09 16:52:28,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2022-11-09 16:52:29,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a49c4665/1d479cdc86a44ec9968225017f0fcb80/FLAGfb9f60991 [2022-11-09 16:52:29,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a49c4665/1d479cdc86a44ec9968225017f0fcb80 [2022-11-09 16:52:29,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-09 16:52:29,025 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-09 16:52:29,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-09 16:52:29,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-09 16:52:29,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-09 16:52:29,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:52:29" (1/1) ... [2022-11-09 16:52:29,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e2fc35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:29, skipping insertion in model container [2022-11-09 16:52:29,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:52:29" (1/1) ... [2022-11-09 16:52:29,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-09 16:52:29,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-09 16:52:29,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2022-11-09 16:52:29,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 16:52:29,288 INFO L203 MainTranslator]: Completed pre-run [2022-11-09 16:52:29,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2022-11-09 16:52:29,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 16:52:29,345 INFO L208 MainTranslator]: Completed translation [2022-11-09 16:52:29,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:29 WrapperNode [2022-11-09 16:52:29,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-09 16:52:29,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-09 16:52:29,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-09 16:52:29,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-09 16:52:29,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:29" (1/1) ... [2022-11-09 16:52:29,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:29" (1/1) ... [2022-11-09 16:52:29,381 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2022-11-09 16:52:29,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-09 16:52:29,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-09 16:52:29,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-09 16:52:29,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-09 16:52:29,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:29" (1/1) ... [2022-11-09 16:52:29,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:29" (1/1) ... [2022-11-09 16:52:29,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:29" (1/1) ... [2022-11-09 16:52:29,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:29" (1/1) ... [2022-11-09 16:52:29,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:29" (1/1) ... [2022-11-09 16:52:29,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:29" (1/1) ... [2022-11-09 16:52:29,396 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:29" (1/1) ... [2022-11-09 16:52:29,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:29" (1/1) ... [2022-11-09 16:52:29,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-09 16:52:29,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-09 16:52:29,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-09 16:52:29,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-09 16:52:29,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:29" (1/1) ... [2022-11-09 16:52:29,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 16:52:29,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 16:52:29,432 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) [2022-11-09 16:52:29,447 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 [2022-11-09 16:52:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-09 16:52:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-09 16:52:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-09 16:52:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-09 16:52:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-09 16:52:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-09 16:52:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-09 16:52:29,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-09 16:52:29,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-09 16:52:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-09 16:52:29,479 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-09 16:52:29,593 INFO L235 CfgBuilder]: Building ICFG [2022-11-09 16:52:29,594 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-09 16:52:29,711 INFO L276 CfgBuilder]: Performing block encoding [2022-11-09 16:52:29,716 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-09 16:52:29,716 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-09 16:52:29,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:52:29 BoogieIcfgContainer [2022-11-09 16:52:29,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-09 16:52:29,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-09 16:52:29,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-09 16:52:29,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-09 16:52:29,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:52:29" (1/3) ... [2022-11-09 16:52:29,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f17fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:52:29, skipping insertion in model container [2022-11-09 16:52:29,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:52:29" (2/3) ... [2022-11-09 16:52:29,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78f17fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:52:29, skipping insertion in model container [2022-11-09 16:52:29,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:52:29" (3/3) ... [2022-11-09 16:52:29,729 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i [2022-11-09 16:52:29,735 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-09 16:52:29,741 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-09 16:52:29,742 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-09 16:52:29,742 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-09 16:52:29,793 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-09 16:52:29,822 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 16:52:29,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 16:52:29,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 16:52:29,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-09 16:52:29,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-09 16:52:29,847 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 16:52:29,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-11-09 16:52:29,861 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@45cb1919, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 16:52:29,861 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-09 16:52:29,982 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:52:29,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:52:29,986 INFO L85 PathProgramCache]: Analyzing trace with hash -63520138, now seen corresponding path program 1 times [2022-11-09 16:52:29,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:52:29,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360021055] [2022-11-09 16:52:29,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:52:29,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:52:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:52:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:52:30,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:52:30,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360021055] [2022-11-09 16:52:30,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360021055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:52:30,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:52:30,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 16:52:30,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677379880] [2022-11-09 16:52:30,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:52:30,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 16:52:30,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:52:30,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 16:52:30,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 16:52:30,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:52:30,193 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:52:30,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-11-09 16:52:30,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:52:30,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:52:30,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-09 16:52:30,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:52:30,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:52:30,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1498935108, now seen corresponding path program 1 times [2022-11-09 16:52:30,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:52:30,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27519703] [2022-11-09 16:52:30,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:52:30,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:52:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:52:30,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:52:30,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:52:30,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27519703] [2022-11-09 16:52:30,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27519703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:52:30,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:52:30,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-09 16:52:30,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655203747] [2022-11-09 16:52:30,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:52:30,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-09 16:52:30,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:52:30,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-09 16:52:30,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-09 16:52:30,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:52:30,505 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:52:30,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-11-09 16:52:30,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:52:30,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:52:30,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:52:30,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-09 16:52:30,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-09 16:52:30,638 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:52:30,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:52:30,640 INFO L85 PathProgramCache]: Analyzing trace with hash -2073558576, now seen corresponding path program 2 times [2022-11-09 16:52:30,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:52:30,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66401348] [2022-11-09 16:52:30,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:52:30,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:52:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:52:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:52:30,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:52:30,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66401348] [2022-11-09 16:52:30,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66401348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:52:30,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:52:30,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-09 16:52:30,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671271086] [2022-11-09 16:52:30,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:52:30,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-09 16:52:30,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:52:30,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-09 16:52:30,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-09 16:52:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:52:30,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:52:30,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-11-09 16:52:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:52:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-09 16:52:30,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:52:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:52:30,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-09 16:52:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-09 16:52:30,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-09 16:52:30,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-09 16:52:30,873 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1] [2022-11-09 16:52:30,874 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE (1/2) [2022-11-09 16:52:30,876 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 16:52:30,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 16:52:30,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 16:52:30,878 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-09 16:52:30,909 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 16:52:30,909 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-09 16:52:30,910 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@45cb1919, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 16:52:30,910 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-09 16:52:30,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-09 16:52:30,953 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-09 16:52:30,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:52:30,953 INFO L85 PathProgramCache]: Analyzing trace with hash 48912653, now seen corresponding path program 1 times [2022-11-09 16:52:30,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:52:30,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497327074] [2022-11-09 16:52:30,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:52:30,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:52:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:52:31,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:52:31,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:52:31,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497327074] [2022-11-09 16:52:31,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497327074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:52:31,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:52:31,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 16:52:31,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032546094] [2022-11-09 16:52:31,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:52:31,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 16:52:31,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:52:31,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 16:52:31,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 16:52:31,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:52:31,013 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:52:31,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-11-09 16:52:31,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:52:31,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:52:31,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-09 16:52:31,038 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-09 16:52:31,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:52:31,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1350238967, now seen corresponding path program 1 times [2022-11-09 16:52:31,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:52:31,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871338298] [2022-11-09 16:52:31,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:52:31,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:52:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:52:31,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:52:31,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:52:31,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871338298] [2022-11-09 16:52:31,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871338298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:52:31,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:52:31,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-09 16:52:31,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44774122] [2022-11-09 16:52:31,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:52:31,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-09 16:52:31,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:52:31,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-09 16:52:31,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-09 16:52:31,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:52:31,215 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:52:31,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-11-09 16:52:31,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:52:31,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:52:31,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:52:31,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-09 16:52:31,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining) [2022-11-09 16:52:31,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-11-09 16:52:31,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-09 16:52:31,327 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-09 16:52:31,327 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/2) [2022-11-09 16:52:31,328 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-09 16:52:31,328 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-09 16:52:31,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:52:31 BasicIcfg [2022-11-09 16:52:31,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-09 16:52:31,332 INFO L158 Benchmark]: Toolchain (without parser) took 2306.82ms. Allocated memory was 245.4MB in the beginning and 308.3MB in the end (delta: 62.9MB). Free memory was 190.8MB in the beginning and 126.6MB in the end (delta: 64.1MB). Peak memory consumption was 127.4MB. Max. memory is 8.0GB. [2022-11-09 16:52:31,332 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 245.4MB. Free memory was 208.4MB in the beginning and 208.3MB in the end (delta: 151.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-09 16:52:31,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.74ms. Allocated memory is still 245.4MB. Free memory was 190.6MB in the beginning and 209.5MB in the end (delta: -18.9MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. [2022-11-09 16:52:31,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.00ms. Allocated memory is still 245.4MB. Free memory was 209.5MB in the beginning and 207.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-09 16:52:31,334 INFO L158 Benchmark]: Boogie Preprocessor took 16.42ms. Allocated memory is still 245.4MB. Free memory was 207.4MB in the beginning and 206.4MB in the end (delta: 995.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-09 16:52:31,334 INFO L158 Benchmark]: RCFGBuilder took 318.43ms. Allocated memory is still 245.4MB. Free memory was 206.1MB in the beginning and 193.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-11-09 16:52:31,334 INFO L158 Benchmark]: TraceAbstraction took 1612.35ms. Allocated memory was 245.4MB in the beginning and 308.3MB in the end (delta: 62.9MB). Free memory was 192.8MB in the beginning and 126.6MB in the end (delta: 66.1MB). Peak memory consumption was 129.8MB. Max. memory is 8.0GB. [2022-11-09 16:52:31,335 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 245.4MB. Free memory was 208.4MB in the beginning and 208.3MB in the end (delta: 151.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 319.74ms. Allocated memory is still 245.4MB. Free memory was 190.6MB in the beginning and 209.5MB in the end (delta: -18.9MB). Peak memory consumption was 13.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.00ms. Allocated memory is still 245.4MB. Free memory was 209.5MB in the beginning and 207.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.42ms. Allocated memory is still 245.4MB. Free memory was 207.4MB in the beginning and 206.4MB in the end (delta: 995.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 318.43ms. Allocated memory is still 245.4MB. Free memory was 206.1MB in the beginning and 193.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1612.35ms. Allocated memory was 245.4MB in the beginning and 308.3MB in the end (delta: 62.9MB). Free memory was 192.8MB in the beginning and 126.6MB in the end (delta: 66.1MB). Peak memory consumption was 129.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 435, positive: 416, positive conditional: 98, positive unconditional: 318, negative: 19, negative conditional: 9, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 431, positive: 416, positive conditional: 98, positive unconditional: 318, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 431, positive: 416, positive conditional: 98, positive unconditional: 318, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 441, positive: 416, positive conditional: 2, positive unconditional: 414, negative: 25, negative conditional: 8, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 441, positive: 416, positive conditional: 2, positive unconditional: 414, negative: 25, negative conditional: 5, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 441, positive: 416, positive conditional: 2, positive unconditional: 414, negative: 25, negative conditional: 5, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 333, positive: 319, positive conditional: 1, positive unconditional: 318, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 333, positive: 308, positive conditional: 0, positive unconditional: 308, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 11, positive conditional: 1, positive unconditional: 10, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 119, positive: 74, positive conditional: 1, positive unconditional: 73, negative: 45, negative conditional: 8, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 441, positive: 97, positive conditional: 1, positive unconditional: 96, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 333, unknown conditional: 4, unknown unconditional: 329] , Statistics on independence cache: Total cache size (in pairs): 333, Positive cache size: 319, Positive conditional cache size: 1, Positive unconditional cache size: 318, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 3, Maximal queried relation: 2, Independence queries for same thread: 4 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 68, Number of trivial persistent sets: 58, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 328, positive: 318, positive conditional: 0, positive unconditional: 318, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 435, positive: 416, positive conditional: 98, positive unconditional: 318, negative: 19, negative conditional: 9, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 431, positive: 416, positive conditional: 98, positive unconditional: 318, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 431, positive: 416, positive conditional: 98, positive unconditional: 318, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 441, positive: 416, positive conditional: 2, positive unconditional: 414, negative: 25, negative conditional: 8, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 441, positive: 416, positive conditional: 2, positive unconditional: 414, negative: 25, negative conditional: 5, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 441, positive: 416, positive conditional: 2, positive unconditional: 414, negative: 25, negative conditional: 5, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 333, positive: 319, positive conditional: 1, positive unconditional: 318, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 333, positive: 308, positive conditional: 0, positive unconditional: 308, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 11, positive conditional: 1, positive unconditional: 10, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 119, positive: 74, positive conditional: 1, positive unconditional: 73, negative: 45, negative conditional: 8, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 441, positive: 97, positive conditional: 1, positive unconditional: 96, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 333, unknown conditional: 4, unknown unconditional: 329] , Statistics on independence cache: Total cache size (in pairs): 333, Positive cache size: 319, Positive conditional cache size: 1, Positive unconditional cache size: 318, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 3, Maximal queried relation: 2, Independence queries for same thread: 4 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 512, positive: 486, positive conditional: 95, positive unconditional: 391, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 508, positive: 486, positive conditional: 95, positive unconditional: 391, negative: 22, negative conditional: 4, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 508, positive: 486, positive conditional: 95, positive unconditional: 391, negative: 22, negative conditional: 4, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 516, positive: 486, positive conditional: 4, positive unconditional: 482, negative: 30, negative conditional: 4, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 516, positive: 486, positive conditional: 4, positive unconditional: 482, negative: 30, negative conditional: 4, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 516, positive: 486, positive conditional: 4, positive unconditional: 482, negative: 30, negative conditional: 4, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 418, positive: 395, positive conditional: 4, positive unconditional: 391, negative: 23, negative conditional: 4, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 418, positive: 381, positive conditional: 0, positive unconditional: 381, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 14, positive conditional: 4, positive unconditional: 10, negative: 23, negative conditional: 4, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 37, positive conditional: 6, positive unconditional: 31, negative: 39, negative conditional: 6, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 516, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 418, unknown conditional: 8, unknown unconditional: 410] , Statistics on independence cache: Total cache size (in pairs): 418, Positive cache size: 395, Positive conditional cache size: 4, Positive unconditional cache size: 391, Negative cache size: 23, Negative conditional cache size: 4, Negative unconditional cache size: 19, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 4 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 90, Number of trivial persistent sets: 74, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 409, positive: 391, positive conditional: 0, positive unconditional: 391, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 512, positive: 486, positive conditional: 95, positive unconditional: 391, negative: 26, negative conditional: 8, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 508, positive: 486, positive conditional: 95, positive unconditional: 391, negative: 22, negative conditional: 4, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 508, positive: 486, positive conditional: 95, positive unconditional: 391, negative: 22, negative conditional: 4, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 516, positive: 486, positive conditional: 4, positive unconditional: 482, negative: 30, negative conditional: 4, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 516, positive: 486, positive conditional: 4, positive unconditional: 482, negative: 30, negative conditional: 4, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 516, positive: 486, positive conditional: 4, positive unconditional: 482, negative: 30, negative conditional: 4, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 418, positive: 395, positive conditional: 4, positive unconditional: 391, negative: 23, negative conditional: 4, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 418, positive: 381, positive conditional: 0, positive unconditional: 381, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 14, positive conditional: 4, positive unconditional: 10, negative: 23, negative conditional: 4, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 37, positive conditional: 6, positive unconditional: 31, negative: 39, negative conditional: 6, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 516, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 418, unknown conditional: 8, unknown unconditional: 410] , Statistics on independence cache: Total cache size (in pairs): 418, Positive cache size: 395, Positive conditional cache size: 4, Positive unconditional cache size: 391, Negative cache size: 23, Negative conditional cache size: 4, Negative unconditional cache size: 19, Eliminated conditions: 0, Maximal queried relation: 1, Independence queries for same thread: 4 - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 90 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 389 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 90 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 231 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-09 16:52:31,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-11-09 16:52:31,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-09 16:52:31,781 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...