./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3427cff38b27502f1724e7992c2bbd22dfeaf576101e50c5b78d18afb7a0563f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:45:25,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:45:25,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:45:25,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:45:25,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:45:25,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:45:25,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:45:25,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:45:25,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:45:25,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:45:25,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:45:25,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:45:25,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:45:25,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:45:25,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:45:25,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:45:25,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:45:25,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:45:25,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:45:25,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:45:25,735 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:45:25,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:45:25,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:45:25,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:45:25,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:45:25,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:45:25,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:45:25,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:45:25,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:45:25,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:45:25,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:45:25,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:45:25,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:45:25,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:45:25,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:45:25,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:45:25,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:45:25,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:45:25,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:45:25,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:45:25,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:45:25,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:45:25,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-04-18 16:45:25,779 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:45:25,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:45:25,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:45:25,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:45:25,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:45:25,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:45:25,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:45:25,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:45:25,783 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:45:25,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:45:25,784 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:45:25,784 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:45:25,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:45:25,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:45:25,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:45:25,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:45:25,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:45:25,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:45:25,785 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:45:25,785 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:45:25,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:45:25,785 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:45:25,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:45:25,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:45:25,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:45:25,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-18 16:45:25,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:45:25,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:45:25,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:45:25,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:45:25,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:45:25,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:45:25,787 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 16:45:25,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:45:25,787 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:45:25,788 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 16:45:25,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:45:25,788 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 16:45:25,788 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 16:45:25,788 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3427cff38b27502f1724e7992c2bbd22dfeaf576101e50c5b78d18afb7a0563f [2022-04-18 16:45:25,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:45:26,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:45:26,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:45:26,017 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:45:26,019 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:45:26,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2022-04-18 16:45:26,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a98b1ee77/26bad3c291a14daea0d2ec27c14a6a7b/FLAG860d88144 [2022-04-18 16:45:26,488 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:45:26,488 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2022-04-18 16:45:26,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a98b1ee77/26bad3c291a14daea0d2ec27c14a6a7b/FLAG860d88144 [2022-04-18 16:45:26,505 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a98b1ee77/26bad3c291a14daea0d2ec27c14a6a7b [2022-04-18 16:45:26,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:45:26,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:45:26,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:45:26,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:45:26,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:45:26,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d29288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26, skipping insertion in model container [2022-04-18 16:45:26,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:45:26,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:45:26,693 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_18-first-reads_true.i[1088,1101] [2022-04-18 16:45:26,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:45:26,822 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:45:26,831 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_18-first-reads_true.i[1088,1101] [2022-04-18 16:45:26,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:45:26,890 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:45:26,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26 WrapperNode [2022-04-18 16:45:26,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:45:26,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:45:26,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:45:26,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:45:26,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,936 INFO L137 Inliner]: procedures = 163, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-04-18 16:45:26,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:45:26,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:45:26,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:45:26,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:45:26,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:45:26,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:45:26,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:45:26,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:45:26,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (1/1) ... [2022-04-18 16:45:26,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:45:26,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:45:27,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 16:45:27,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 16:45:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 16:45:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:45:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-04-18 16:45:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:45:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:45:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-04-18 16:45:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-04-18 16:45:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:45:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:45:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:45:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:45:27,073 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:45:27,192 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:45:27,193 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:45:27,346 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:45:27,351 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:45:27,352 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 16:45:27,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:45:27 BoogieIcfgContainer [2022-04-18 16:45:27,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:45:27,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:45:27,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:45:27,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:45:27,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:45:26" (1/3) ... [2022-04-18 16:45:27,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190cbe5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:45:27, skipping insertion in model container [2022-04-18 16:45:27,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:45:26" (2/3) ... [2022-04-18 16:45:27,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190cbe5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:45:27, skipping insertion in model container [2022-04-18 16:45:27,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:45:27" (3/3) ... [2022-04-18 16:45:27,364 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_true.i [2022-04-18 16:45:27,367 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:45:27,367 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:45:27,367 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-04-18 16:45:27,367 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:45:27,428 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-04-18 16:45:27,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 16:45:27,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:45:27,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-04-18 16:45:27,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-04-18 16:45:27,499 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-04-18 16:45:27,505 INFO L340 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 [2022-04-18 16:45:27,505 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-04-18 16:45:27,681 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:27,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:27,688 INFO L85 PathProgramCache]: Analyzing trace with hash 870539462, now seen corresponding path program 1 times [2022-04-18 16:45:27,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:27,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174497297] [2022-04-18 16:45:27,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:27,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:27,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:45:27,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:27,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174497297] [2022-04-18 16:45:27,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174497297] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:27,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:27,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:45:27,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612158334] [2022-04-18 16:45:27,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:27,956 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 16:45:27,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:27,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 16:45:27,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 16:45:27,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:27,977 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:27,978 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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) [2022-04-18 16:45:27,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:27,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:27,995 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:45:27,996 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:27,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:27,996 INFO L85 PathProgramCache]: Analyzing trace with hash 845320169, now seen corresponding path program 1 times [2022-04-18 16:45:27,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:27,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556572747] [2022-04-18 16:45:27,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:27,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:28,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:45:28,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:28,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556572747] [2022-04-18 16:45:28,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556572747] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:28,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:28,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:45:28,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187611183] [2022-04-18 16:45:28,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:28,049 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:28,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:28,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:28,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:28,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,050 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:28,051 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2022-04-18 16:45:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,090 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:45:28,090 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:28,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:28,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1830525174, now seen corresponding path program 1 times [2022-04-18 16:45:28,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:28,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535358485] [2022-04-18 16:45:28,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:28,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:28,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:45:28,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:28,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535358485] [2022-04-18 16:45:28,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535358485] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:28,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:28,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:45:28,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913072773] [2022-04-18 16:45:28,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:28,140 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:28,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:28,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:28,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:28,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,141 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:28,142 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-04-18 16:45:28,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,174 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:45:28,174 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:28,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:28,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1203258523, now seen corresponding path program 1 times [2022-04-18 16:45:28,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:28,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577751162] [2022-04-18 16:45:28,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:28,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:28,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:45:28,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:28,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577751162] [2022-04-18 16:45:28,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577751162] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:28,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:28,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-18 16:45:28,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883354876] [2022-04-18 16:45:28,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:28,277 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:45:28,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:28,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:45:28,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:45:28,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,278 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:28,278 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:45:28,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 16:45:28,383 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 16:45:28,383 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:28,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:28,383 INFO L85 PathProgramCache]: Analyzing trace with hash 274649002, now seen corresponding path program 1 times [2022-04-18 16:45:28,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:28,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308121710] [2022-04-18 16:45:28,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:28,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:28,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:45:28,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:28,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308121710] [2022-04-18 16:45:28,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308121710] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:28,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:28,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-18 16:45:28,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465456631] [2022-04-18 16:45:28,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:28,475 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:45:28,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:28,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:45:28,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:45:28,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,476 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:28,476 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 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) [2022-04-18 16:45:28,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 16:45:28,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 16:45:28,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:28,499 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 16:45:28,499 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 16:45:28,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:28,500 INFO L85 PathProgramCache]: Analyzing trace with hash 78135497, now seen corresponding path program 1 times [2022-04-18 16:45:28,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:28,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278150691] [2022-04-18 16:45:28,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:28,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:28,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:45:28,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:28,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278150691] [2022-04-18 16:45:28,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278150691] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:28,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:28,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:45:28,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910216022] [2022-04-18 16:45:28,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:28,575 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:28,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:28,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:28,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:28,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,577 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:28,577 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:45:28,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-04-18 16:45:28,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:28,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-18 16:45:28,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:28,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,675 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 3 remaining) [2022-04-18 16:45:28,676 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 3 remaining) [2022-04-18 16:45:28,676 INFO L788 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 3 remaining) [2022-04-18 16:45:28,677 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 16:45:28,682 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-04-18 16:45:28,687 INFO L306 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE,SAFE (1/2) [2022-04-18 16:45:28,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 16:45:28,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 16:45:28,692 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-04-18 16:45:28,732 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-04-18 16:45:28,733 INFO L340 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 [2022-04-18 16:45:28,733 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-04-18 16:45:28,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-04-18 16:45:28,736 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-04-18 16:45:28,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:28,739 INFO L85 PathProgramCache]: Analyzing trace with hash -972277289, now seen corresponding path program 1 times [2022-04-18 16:45:28,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:28,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531055646] [2022-04-18 16:45:28,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:28,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:28,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:45:28,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:28,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531055646] [2022-04-18 16:45:28,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531055646] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:28,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:28,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:45:28,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397518968] [2022-04-18 16:45:28,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:28,755 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:28,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:28,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:28,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:28,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,756 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:28,757 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-04-18 16:45:28,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,818 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 16:45:28,818 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-04-18 16:45:28,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:28,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1355649059, now seen corresponding path program 1 times [2022-04-18 16:45:28,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:28,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931103518] [2022-04-18 16:45:28,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:28,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:28,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:45:28,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:28,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931103518] [2022-04-18 16:45:28,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931103518] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:28,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:28,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:45:28,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468357935] [2022-04-18 16:45:28,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:28,863 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:28,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:28,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:28,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:28,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,864 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:28,865 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:45:28,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,924 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 16:45:28,925 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-04-18 16:45:28,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:28,925 INFO L85 PathProgramCache]: Analyzing trace with hash -110318638, now seen corresponding path program 1 times [2022-04-18 16:45:28,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:28,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394274216] [2022-04-18 16:45:28,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:28,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:45:28,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:28,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394274216] [2022-04-18 16:45:28,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394274216] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:28,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:28,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 16:45:28,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853528271] [2022-04-18 16:45:28,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:28,969 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:45:28,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:28,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:45:28,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:45:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,970 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:28,970 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:45:28,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:28,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:28,990 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 16:45:28,990 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-04-18 16:45:28,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:45:28,991 INFO L85 PathProgramCache]: Analyzing trace with hash 547438354, now seen corresponding path program 1 times [2022-04-18 16:45:28,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:45:28,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079452100] [2022-04-18 16:45:28,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:45:28,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:45:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:45:29,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:45:29,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:45:29,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079452100] [2022-04-18 16:45:29,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079452100] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:45:29,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:45:29,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 16:45:29,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548579341] [2022-04-18 16:45:29,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:45:29,085 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 16:45:29,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:45:29,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 16:45:29,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 16:45:29,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:29,086 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 16:45:29,086 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 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) [2022-04-18 16:45:29,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:29,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:29,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:29,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:45:29,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:29,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:29,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:45:29,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 16:45:29,162 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2022-04-18 16:45:29,162 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2022-04-18 16:45:29,162 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2022-04-18 16:45:29,162 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-04-18 16:45:29,163 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 16:45:29,166 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-04-18 16:45:29,167 INFO L306 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE (2/2) [2022-04-18 16:45:29,167 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:45:29,167 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:45:29,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:45:29 BasicIcfg [2022-04-18 16:45:29,171 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:45:29,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:45:29,174 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:45:29,174 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:45:29,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:45:27" (3/4) ... [2022-04-18 16:45:29,176 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:45:29,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-04-18 16:45:29,184 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-04-18 16:45:29,184 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 16:45:29,184 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 16:45:29,184 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:45:29,205 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2022-04-18 16:45:29,208 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:45:29,209 INFO L158 Benchmark]: Toolchain (without parser) took 2701.47ms. Allocated memory was 94.4MB in the beginning and 134.2MB in the end (delta: 39.8MB). Free memory was 61.2MB in the beginning and 64.9MB in the end (delta: -3.7MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2022-04-18 16:45:29,209 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:45:29,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.36ms. Allocated memory is still 94.4MB. Free memory was 61.0MB in the beginning and 61.7MB in the end (delta: -687.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-04-18 16:45:29,210 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.62ms. Allocated memory is still 94.4MB. Free memory was 61.7MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:45:29,210 INFO L158 Benchmark]: Boogie Preprocessor took 35.05ms. Allocated memory is still 94.4MB. Free memory was 59.6MB in the beginning and 58.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:45:29,210 INFO L158 Benchmark]: RCFGBuilder took 379.86ms. Allocated memory is still 94.4MB. Free memory was 58.3MB in the beginning and 45.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-04-18 16:45:29,210 INFO L158 Benchmark]: TraceAbstraction took 1817.23ms. Allocated memory was 94.4MB in the beginning and 134.2MB in the end (delta: 39.8MB). Free memory was 45.4MB in the beginning and 68.1MB in the end (delta: -22.8MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2022-04-18 16:45:29,211 INFO L158 Benchmark]: Witness Printer took 36.72ms. Allocated memory is still 134.2MB. Free memory was 68.1MB in the beginning and 64.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:45:29,212 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.36ms. Allocated memory is still 94.4MB. Free memory was 61.0MB in the beginning and 61.7MB in the end (delta: -687.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.62ms. Allocated memory is still 94.4MB. Free memory was 61.7MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.05ms. Allocated memory is still 94.4MB. Free memory was 59.6MB in the beginning and 58.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 379.86ms. Allocated memory is still 94.4MB. Free memory was 58.3MB in the beginning and 45.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1817.23ms. Allocated memory was 94.4MB in the beginning and 134.2MB in the end (delta: 39.8MB). Free memory was 45.4MB in the beginning and 68.1MB in the end (delta: -22.8MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Witness Printer took 36.72ms. Allocated memory is still 134.2MB. Free memory was 68.1MB in the beginning and 64.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1463, positive: 1350, positive conditional: 430, positive unconditional: 920, negative: 113, negative conditional: 97, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1371, positive: 1350, positive conditional: 430, positive unconditional: 920, negative: 21, negative conditional: 5, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1371, positive: 1350, positive conditional: 430, positive unconditional: 920, negative: 21, negative conditional: 5, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1379, positive: 1350, positive conditional: 390, positive unconditional: 960, negative: 29, negative conditional: 8, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1379, positive: 1350, positive conditional: 210, positive unconditional: 1140, negative: 29, negative conditional: 3, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1379, positive: 1350, positive conditional: 210, positive unconditional: 1140, negative: 29, negative conditional: 3, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 937, positive: 920, positive conditional: 0, positive unconditional: 920, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 937, positive: 914, positive conditional: 0, positive unconditional: 914, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 37, negative conditional: 2, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1379, positive: 430, positive conditional: 210, positive unconditional: 220, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 937, unknown conditional: 1, unknown unconditional: 936] , Statistics on independence cache: Total cache size (in pairs): 937, Positive cache size: 920, Positive conditional cache size: 0, Positive unconditional cache size: 920, Negative cache size: 17, Negative conditional cache size: 1, Negative unconditional cache size: 16, Eliminated conditions: 185, Maximal queried relation: 2, Independence queries for same thread: 92 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 219, Number of trivial persistent sets: 203, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 936, positive: 920, positive conditional: 0, positive unconditional: 920, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1463, positive: 1350, positive conditional: 430, positive unconditional: 920, negative: 113, negative conditional: 97, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1371, positive: 1350, positive conditional: 430, positive unconditional: 920, negative: 21, negative conditional: 5, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1371, positive: 1350, positive conditional: 430, positive unconditional: 920, negative: 21, negative conditional: 5, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1379, positive: 1350, positive conditional: 390, positive unconditional: 960, negative: 29, negative conditional: 8, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1379, positive: 1350, positive conditional: 210, positive unconditional: 1140, negative: 29, negative conditional: 3, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1379, positive: 1350, positive conditional: 210, positive unconditional: 1140, negative: 29, negative conditional: 3, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 937, positive: 920, positive conditional: 0, positive unconditional: 920, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 937, positive: 914, positive conditional: 0, positive unconditional: 914, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 100, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 37, negative conditional: 2, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1379, positive: 430, positive conditional: 210, positive unconditional: 220, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 937, unknown conditional: 1, unknown unconditional: 936] , Statistics on independence cache: Total cache size (in pairs): 937, Positive cache size: 920, Positive conditional cache size: 0, Positive unconditional cache size: 920, Negative cache size: 17, Negative conditional cache size: 1, Negative unconditional cache size: 16, Eliminated conditions: 185, Maximal queried relation: 2, Independence queries for same thread: 92 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1761, positive: 1653, positive conditional: 498, positive unconditional: 1155, negative: 108, negative conditional: 91, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1675, positive: 1653, positive conditional: 498, positive unconditional: 1155, negative: 22, negative conditional: 5, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1675, positive: 1653, positive conditional: 498, positive unconditional: 1155, negative: 22, negative conditional: 5, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1682, positive: 1653, positive conditional: 469, positive unconditional: 1184, negative: 29, negative conditional: 7, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1682, positive: 1653, positive conditional: 215, positive unconditional: 1438, negative: 29, negative conditional: 3, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1682, positive: 1653, positive conditional: 215, positive unconditional: 1438, negative: 29, negative conditional: 3, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1174, positive: 1155, positive conditional: 0, positive unconditional: 1155, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1174, positive: 1147, positive conditional: 0, positive unconditional: 1147, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 24, negative conditional: 2, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1682, positive: 498, positive conditional: 215, positive unconditional: 283, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 1174, unknown conditional: 2, unknown unconditional: 1172] , Statistics on independence cache: Total cache size (in pairs): 1174, Positive cache size: 1155, Positive conditional cache size: 0, Positive unconditional cache size: 1155, Negative cache size: 19, Negative conditional cache size: 2, Negative unconditional cache size: 17, Eliminated conditions: 258, Maximal queried relation: 2, Independence queries for same thread: 86 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 385, Number of trivial persistent sets: 385, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1172, positive: 1155, positive conditional: 0, positive unconditional: 1155, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1761, positive: 1653, positive conditional: 498, positive unconditional: 1155, negative: 108, negative conditional: 91, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1675, positive: 1653, positive conditional: 498, positive unconditional: 1155, negative: 22, negative conditional: 5, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1675, positive: 1653, positive conditional: 498, positive unconditional: 1155, negative: 22, negative conditional: 5, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1682, positive: 1653, positive conditional: 469, positive unconditional: 1184, negative: 29, negative conditional: 7, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1682, positive: 1653, positive conditional: 215, positive unconditional: 1438, negative: 29, negative conditional: 3, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1682, positive: 1653, positive conditional: 215, positive unconditional: 1438, negative: 29, negative conditional: 3, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1174, positive: 1155, positive conditional: 0, positive unconditional: 1155, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1174, positive: 1147, positive conditional: 0, positive unconditional: 1147, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 24, negative conditional: 2, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1682, positive: 498, positive conditional: 215, positive unconditional: 283, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 1174, unknown conditional: 2, unknown unconditional: 1172] , Statistics on independence cache: Total cache size (in pairs): 1174, Positive cache size: 1155, Positive conditional cache size: 0, Positive unconditional cache size: 1155, Negative cache size: 19, Negative conditional cache size: 2, Negative unconditional cache size: 17, Eliminated conditions: 258, Maximal queried relation: 2, Independence queries for same thread: 86 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: 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, 123 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 26, 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, 0.3s InterpolantComputationTime, 361 NumberOfCodeBlocks, 361 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 355 ConstructedInterpolants, 0 QuantifiedInterpolants, 583 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 123 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 0.1s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 215 ConstructedInterpolants, 0 QuantifiedInterpolants, 401 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:45:29,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-04-18 16:45:29,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-04-18 16:45:29,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE